Coastal Waters Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
999 FZHW50 PHFO 080246 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 446 PM HST Mon Sep 7 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. PHZ100-081530- 446 PM HST Mon Sep 7 2026 .Synopsis for Hawaiian coastal waters... A surface high will remain far north of the Hawaiian Islands through the week. At 500 PM, Hurricane Lowell was centered about 150 miles southwest of Lihue, and is moving towards the north- northeast at 16 kt. Winds will gradually veer out of the southeast to south with the strongest winds across the western end of the state through Tuesday. A Hurricane Warning is in effect for the coastal waters west of Kauai, and a Tropical Storm Warning is in effect for waters elsewhere near Kauai and Oahu. $$ PHZ110-081530- Kauai Northwest Waters- 446 PM HST Mon Sep 7 2026 ...TORNADO WATCH 1 IN EFFECT UNTIL 4 AM HST TUESDAY... ...HURRICANE WARNING IN EFFECT... .TONIGHT...Hurricane conditions. East southeast winds 65 to 85 knots, veering to south after midnight. Gusts up to 100 knots. Seas 21 to 26 feet, building to 27 to 32 feet after midnight. Wave Detail: South southwest 32 feet at 13 seconds, south southwest 5 feet at 9 seconds and east 5 feet at 12 seconds. Frequent heavy showers with isolated thunderstorms. .TUESDAY...Tropical storm conditions expected with hurricane conditions possible. Southwest winds 40 to 50 knots, easing to 25 to 30 knots in the afternoon. Seas 18 to 23 feet, subsiding to 8 to 11 feet in the afternoon. Wave Detail: Southwest 23 feet at 10 seconds, south southwest 5 feet at 14 seconds and east 4 feet at 12 seconds. Frequent heavy showers in the morning, then numerous showers in the afternoon. .TUESDAY NIGHT...Southwest winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 6 to 8 feet, subsiding to 4 to 6 feet after midnight. Wave Detail: Southwest 5 feet at 5 seconds, east 4 feet at 11 seconds and south southwest 4 feet at 14 seconds. Scattered showers. .WEDNESDAY...South southwest winds to 10 knots in the morning, becoming variable less than 10 knots. Seas 4 to 5 feet. Wave Detail: South southwest 4 feet at 14 seconds, east 3 feet at 5 seconds and east 3 feet at 13 seconds. Isolated showers. .WEDNESDAY NIGHT...Winds variable less than 10 knots, becoming east 7 to 10 knots after midnight. Seas 4 to 5 feet. Wave Detail: East 3 feet at 6 seconds, east 3 feet at 12 seconds and south southwest 3 feet at 13 seconds. Scattered showers. .THURSDAY...East winds to 10 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 6 seconds and east 3 feet at 12 seconds. Scattered showers, mainly in the morning. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 6 seconds and east 3 feet at 11 seconds. Scattered showers. .FRIDAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers through the night, then scattered showers through the day. .SATURDAY...East winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: East 3 feet at 5 seconds. Scattered showers. Winds and seas higher in and near tstms. $$ PHZ111-081530- Kauai Windward Waters- 446 PM HST Mon Sep 7 2026 ...TORNADO WATCH 1 IN EFFECT UNTIL 4 AM HST TUESDAY... ...TROPICAL STORM WARNING IN EFFECT... .TONIGHT...Tropical storm conditions. Southeast winds 45 to 55 knots. Seas 15 to 20 feet, building to 17 to 21 feet after midnight. Wave Detail: South southwest 18 feet at 9 seconds and east 5 feet at 11 seconds. Frequent heavy showers with isolated thunderstorms. .TUESDAY...Tropical storm conditions expected. South winds 35 to 45 knots, becoming south southwest 20 to 25 knots in the afternoon. Seas 13 to 18 feet, subsiding to 8 to 11 feet in the afternoon. Wave Detail: Southwest 16 feet at 8 seconds, south southwest 5 feet at 14 seconds and east 4 feet at 11 seconds. Frequent heavy showers in the morning, then numerous showers in the afternoon. .TUESDAY NIGHT...Southwest winds 15 to 20 knots, becoming south southwest 10 to 15 knots after midnight. Seas 5 to 8 feet. Wave Detail: South southwest 5 feet at 5 seconds, east 4 feet at 13 seconds and south 4 feet at 14 seconds. Scattered showers. .WEDNESDAY...South southeast winds 7 to 10 knots. Seas 5 to 7 feet. Wave Detail: South southwest 4 feet at 14 seconds, east 3 feet at 5 seconds and east 3 feet at 13 seconds. Scattered showers. .WEDNESDAY NIGHT...East southeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 6 seconds, south southwest 4 feet at 13 seconds and east 3 feet at 12 seconds. Scattered showers. .THURSDAY...East southeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East southeast 4 feet at 6 seconds, south southwest 4 feet at 13 seconds and east 3 feet at 12 seconds. Scattered showers. .THURSDAY NIGHT...East winds to 15 knots. Seas 4 to 6 feet. Wave Detail: East southeast 4 feet at 6 seconds, east 3 feet at 11 seconds and south southwest 3 feet at 12 seconds. Scattered showers. .FRIDAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East southeast 4 feet at 5 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day. .SATURDAY...East winds to 10 knots. Seas 5 to 6 feet. Wave Detail: East southeast 3 feet at 5 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day. Winds and seas higher in and near tstms. $$ PHZ112-081530- Kauai Leeward Waters- 446 PM HST Mon Sep 7 2026 ...TORNADO WATCH 1 IN EFFECT UNTIL 4 AM HST TUESDAY... ...HURRICANE WARNING IN EFFECT... .TONIGHT...Hurricane conditions. Southeast winds 70 to 90 knots, veering to southwest 60 to 80 knots after midnight. Seas 29 to 34 feet, subsiding to 27 to 32 feet after midnight. Wave Detail: South southwest 34 feet at 12 seconds and east 3 feet at 11 seconds. Frequent heavy showers with isolated thunderstorms. .TUESDAY...Tropical storm conditions possible with hurricane conditions also possible. Southwest winds 25 to 30 knots, easing to 15 to 20 knots in the afternoon. Seas 12 to 16 feet, subsiding to 6 to 8 feet in the afternoon. Wave Detail: West southwest 16 feet at 8 seconds, south southwest 5 feet at 14 seconds and east 3 feet at 11 seconds. Frequent heavy showers in the morning, then numerous showers in the afternoon. .TUESDAY NIGHT...Southwest winds to 15 knots, becoming west southwest after midnight. Seas 5 to 7 feet. Wave Detail: Southwest 4 feet at 4 seconds and south southwest 4 feet at 14 seconds. Scattered showers. .WEDNESDAY...South southwest winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Seas 4 to 5 feet. Wave Detail: South southwest 4 feet at 14 seconds. Isolated showers. .WEDNESDAY NIGHT...Winds variable less than 10 knots. Seas 4 to 5 feet. Wave Detail: South southwest 4 feet at 13 seconds. Scattered showers. .THURSDAY...Winds variable less than 10 knots, becoming east southeast 7 to 10 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: South southwest 4 feet at 13 seconds and east 3 feet at 6 seconds. Scattered showers. .THURSDAY NIGHT...East winds 7 to 10 knots, becoming 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 3 feet at 6 seconds and south southwest 3 feet at 12 seconds. Scattered showers. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 5 seconds. Scattered showers. .SATURDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 5 seconds. Scattered showers. Winds and seas higher in and near tstms. $$ PHZ113-081530- Kauai Channel- 446 PM HST Mon Sep 7 2026 ...TORNADO WATCH 1 IN EFFECT UNTIL 4 AM HST TUESDAY... ...TROPICAL STORM WARNING IN EFFECT... .TONIGHT...Tropical storm conditions. South southeast winds 45 to 55 knots. Seas 20 to 25 feet, subsiding to 16 to 21 feet after midnight. Wave Detail: Southwest 22 feet at 11 seconds and east northeast 5 feet at 11 seconds. Frequent heavy showers with isolated thunderstorms. .TUESDAY...Tropical storm conditions possible. South southwest winds 25 to 30 knots, easing to 20 knots in the afternoon. Seas 10 to 14 feet, subsiding to 6 to 8 feet in the afternoon. Wave Detail: West 12 feet at 8 seconds, south southwest 5 feet at 14 seconds and east 4 feet at 11 seconds. Frequent heavy showers in the morning, then numerous showers in the afternoon. .TUESDAY NIGHT...Southwest winds to 15 knots, easing to 10 knots after midnight. Seas 5 to 7 feet. Wave Detail: West 4 feet at 5 seconds, south southwest 4 feet at 14 seconds and east 3 feet at 13 seconds. Scattered showers. .WEDNESDAY...Winds variable less than 10 knots. Seas 5 to 6 feet. Wave Detail: South southwest 4 feet at 14 seconds and east 3 feet at 13 seconds. Scattered showers. .WEDNESDAY NIGHT...East southeast winds 7 to 10 knots, backing to east 10 to 15 knots after midnight. Seas 5 to 6 feet. Wave Detail: South southwest 4 feet at 13 seconds, east 3 feet at 6 seconds and east 3 feet at 12 seconds. Scattered showers. .THURSDAY...East winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: South southwest 4 feet at 13 seconds, east 3 feet at 6 seconds and east 3 feet at 12 seconds. Scattered showers. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds and south southwest 4 feet at 12 seconds. Scattered showers. .FRIDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers through the night, then scattered showers through the day. .SATURDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East northeast 3 feet at 5 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day. Winds and seas higher in and near tstms. $$ PHZ114-081530- Oahu Windward Waters- 446 PM HST Mon Sep 7 2026 ...TROPICAL STORM WARNING IN EFFECT... .TONIGHT...Tropical storm conditions expected. Southeast winds 25 to 35 knots. Seas 12 to 17 feet. Wave Detail: South southwest 15 feet at 15 seconds, south southwest 7 feet at 11 seconds and east 5 feet at 11 seconds. Isolated thunderstorms this evening. Frequent heavy showers. .TUESDAY...Tropical storm conditions possible. South winds 20 to 25 knots, becoming south southwest 15 to 20 knots in the afternoon. Seas 9 to 12 feet, subsiding to 6 to 9 feet in the afternoon. Wave Detail: South southwest 10 feet at 8 seconds, south southwest 5 feet at 14 seconds and east 4 feet at 13 seconds. Numerous showers. .TUESDAY NIGHT...South southwest winds 10 to 15 knots, backing to south 7 to 10 knots after midnight. Seas 5 to 7 feet. Wave Detail: East southeast 4 feet at 5 seconds, south southwest 4 feet at 14 seconds and east 3 feet at 13 seconds. Scattered showers. .WEDNESDAY...Southeast winds 7 to 10 knots, backing to east southeast 10 to 15 knots in the afternoon. Seas 4 to 6 feet. Wave Detail: South southwest 4 feet at 14 seconds, east 3 feet at 5 seconds and east 3 feet at 13 seconds. Scattered showers. .WEDNESDAY NIGHT...East southeast winds to 15 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 6 seconds, east 3 feet at 12 seconds and south southwest 3 feet at 13 seconds. Scattered showers. .THURSDAY...East winds to 15 knots. Seas 5 to 6 feet. Wave Detail: East southeast 4 feet at 6 seconds and east 3 feet at 12 seconds. Scattered showers. .THURSDAY NIGHT...East winds to 15 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds and east 3 feet at 11 seconds. Scattered showers. .FRIDAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 3 feet at 5 seconds and east 3 feet at 11 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day. .SATURDAY...East winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: East 3 feet at 5 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day. Winds and seas higher in and near tstms. $$ PHZ115-081530- Oahu Leeward Waters- 446 PM HST Mon Sep 7 2026 ...TROPICAL STORM WARNING IN EFFECT... .TONIGHT...Tropical storm conditions expected. Southeast winds 30 to 35 knots, veering to south southeast 25 to 30 knots after midnight. Seas 16 to 19 feet, subsiding to 13 to 17 feet after midnight. Wave Detail: Southwest 16 feet at 10 seconds. Frequent heavy showers with isolated thunderstorms. .TUESDAY...Tropical storm conditions possible. South southwest winds 20 to 25 knots, easing to 15 knots in the afternoon. Seas 9 to 12 feet, subsiding to 6 to 7 feet in the afternoon. Wave Detail: West 10 feet at 8 seconds and south southwest 6 feet at 8 seconds. Numerous showers. .TUESDAY NIGHT...Southwest winds to 10 knots in the evening, becoming variable less than 10 knots. Seas 4 to 6 feet. Wave Detail: South southwest 4 feet at 14 seconds and west 3 feet at 4 seconds. Numerous showers, mainly in the evening. .WEDNESDAY...Winds variable less than 10 knots. Seas 4 to 5 feet. Wave Detail: South southwest 4 feet at 14 seconds. Scattered showers. .WEDNESDAY NIGHT...East winds 7 to 10 knots. Seas 4 to 5 feet. Wave Detail: South southwest 4 feet at 13 seconds and east southeast 3 feet at 5 seconds. Scattered showers. .THURSDAY...East winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Seas 4 to 5 feet. Wave Detail: South southwest 4 feet at 13 seconds and east 3 feet at 5 seconds. Scattered showers, mainly in the morning. .THURSDAY NIGHT...Winds variable less than 10 knots, becoming east 7 to 10 knots after midnight. Seas 4 to 6 feet. Wave Detail: South southwest 4 feet at 12 seconds and east 3 feet at 5 seconds. Scattered showers. .FRIDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers through the night, then scattered showers through the day. .SATURDAY...East winds 7 to 10 knots, backing to east northeast 10 to 15 knots in the evening, veering to east 7 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers, then scattered showers after midnight. Winds and seas higher in and near tstms. $$ PHZ116-081530- Kaiwi Channel- 446 PM HST Mon Sep 7 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON... .TONIGHT...Southeast winds 25 to 30 knots. Seas 12 to 15 feet, subsiding to 10 to 14 feet after midnight. Wave Detail: Southwest 12 feet at 11 seconds and east northeast 5 feet at 11 seconds. Isolated thunderstorms this evening. Frequent heavy showers. .TUESDAY...South winds 25 to 30 knots, becoming south southwest 15 to 20 knots in the afternoon. Seas 9 to 13 feet, subsiding to 6 to 8 feet in the afternoon. Wave Detail: South southwest 10 feet at 8 seconds and east 4 feet at 13 seconds. Numerous showers. .TUESDAY NIGHT...South southwest winds to 10 knots in the evening, becoming variable less than 10 knots. Seas 6 to 7 feet, subsiding to 4 to 5 feet after midnight. Wave Detail: South southwest 4 feet at 14 seconds, south southwest 3 feet at 5 seconds and east 3 feet at 13 seconds. Scattered showers. .WEDNESDAY...Winds variable less than 10 knots, becoming east southeast 10 to 15 knots in the afternoon. Seas 4 to 6 feet. Wave Detail: South southwest 4 feet at 14 seconds, east southeast 3 feet at 5 seconds and east 3 feet at 13 seconds. Scattered showers. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: East 4 feet at 5 seconds, south southwest 4 feet at 13 seconds and east 3 feet at 12 seconds. Scattered showers. .THURSDAY...East northeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: East 4 feet at 5 seconds, south southwest 4 feet at 13 seconds and east 3 feet at 12 seconds. Isolated showers. .THURSDAY NIGHT...East northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East northeast 4 feet at 5 seconds, southwest 4 feet at 12 seconds and east 3 feet at 11 seconds. Scattered showers. .FRIDAY...East northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East northeast 3 feet at 5 seconds. Isolated showers, then scattered showers after midnight. .SATURDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 5 seconds. Isolated showers. Winds and seas higher in and near tstms. $$ PHZ117-081530- Maui County Windward Waters- 446 PM HST Mon Sep 7 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON... .TONIGHT...East southeast winds 20 to 25 knots. Seas 7 to 10 feet. Wave Detail: South southeast 7 feet at 6 seconds, east 5 feet at 11 seconds and west southwest 5 feet at 11 seconds. Frequent heavy showers. .TUESDAY...South southeast winds 20 to 25 knots. Seas 5 to 8 feet. Wave Detail: Southeast 6 feet at 6 seconds, east 4 feet at 13 seconds and southwest 4 feet at 14 seconds. Numerous showers. .TUESDAY NIGHT...South southeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East southeast 4 feet at 5 seconds and east 3 feet at 13 seconds. Scattered showers. .WEDNESDAY...East southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 5 seconds and east 3 feet at 13 seconds. Scattered showers. .WEDNESDAY NIGHT...East southeast winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 5 seconds and east 3 feet at 12 seconds. Scattered showers. .THURSDAY...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 5 seconds and east 3 feet at 12 seconds. Scattered showers. .THURSDAY NIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 5 seconds and east 3 feet at 11 seconds. Scattered showers. .FRIDAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 3 feet at 4 seconds and east 3 feet at 11 seconds. Scattered showers. .SATURDAY...East winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: East 3 feet at 4 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day. $$ PHZ118-081530- Maui County Leeward Waters- 446 PM HST Mon Sep 7 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON... .TONIGHT...Southeast winds 25 to 30 knots. Seas 11 to 15 feet. Wave Detail: West southwest 11 feet at 11 seconds. Isolated thunderstorms this evening. Frequent heavy showers. .TUESDAY...South winds 25 to 30 knots, easing to 15 to 20 knots in the afternoon. Seas 9 to 12 feet, subsiding to 6 to 7 feet in the afternoon. Wave Detail: South southwest 9 feet at 7 seconds. Numerous showers, mainly in the morning. .TUESDAY NIGHT...South winds 7 to 10 knots. Seas 4 to 6 feet. Wave Detail: South southwest 4 feet at 14 seconds and west 3 feet at 4 seconds. Numerous showers, mainly in the evening. .WEDNESDAY...Winds variable less than 10 knots, becoming east southeast 7 to 10 knots in the afternoon. Seas 4 to 6 feet. Wave Detail: South southwest 4 feet at 14 seconds and east southeast 3 feet at 5 seconds. Scattered showers. .WEDNESDAY NIGHT...East northeast winds 7 to 10 knots. Seas 4 to 5 feet. Wave Detail: South southwest 4 feet at 13 seconds and east southeast 3 feet at 5 seconds. Scattered showers. .THURSDAY...East northeast winds 7 to 10 knots. Seas 4 to 5 feet. Wave Detail: South southwest 4 feet at 13 seconds and east southeast 3 feet at 5 seconds. Isolated showers. .THURSDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Southwest 4 feet at 12 seconds and east southeast 3 feet at 5 seconds. Scattered showers. .FRIDAY...East northeast winds 7 to 10 knots. Seas 3 to 4 feet. Isolated showers. .SATURDAY...East winds 7 to 10 knots, backing to east northeast 10 to 15 knots after midnight. Seas 3 to 4 feet. Isolated showers. Winds and seas higher in and near tstms. $$ PHZ119-081530- Maalaea Bay- 446 PM HST Mon Sep 7 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON... .TONIGHT...North northeast winds 20 to 25 knots, easing to 15 to 20 knots after midnight. Seas 4 to 6 feet. Wave Detail: West southwest 6 feet at 11 seconds. Frequent heavy showers. .TUESDAY...North northeast winds 15 to 20 knots, veering to south in the afternoon. Seas 3 to 5 feet. Wave Detail: South southwest 5 feet at 7 seconds. Numerous showers. .TUESDAY NIGHT...South winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: South southwest 4 feet at 14 seconds. Scattered showers. .WEDNESDAY...Winds variable less than 10 knots, becoming north to 20 knots in the afternoon. Seas to 3 feet. Wave Detail: South southwest 3 feet at 14 seconds. Scattered showers. .WEDNESDAY NIGHT...North winds to 20 knots. Seas to 2 feet or less. Isolated showers. .THURSDAY...North winds to 20 knots. Seas to 2 feet or less. Scattered showers in the afternoon. .THURSDAY NIGHT...North winds to 15 knots. Seas to 2 feet or less. Isolated showers in the evening, then scattered showers after midnight. .FRIDAY...North winds to 15 knots, rising to 20 knots in the afternoon and evening, easing to 15 knots after midnight. Seas to 2 feet or less. Isolated showers through the night. .SATURDAY...North winds to 15 knots, becoming north northeast in the afternoon and evening, then becoming north after midnight. Seas to 2 feet or less. $$ PHZ120-081530- Pailolo Channel- 446 PM HST Mon Sep 7 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON... .TONIGHT...East winds 20 to 25 knots, becoming southeast 15 to 20 knots after midnight. Seas 9 to 12 feet, subsiding to 7 to 10 feet after midnight. Wave Detail: Southwest 8 feet at 11 seconds, south 7 feet at 12 seconds and east 3 feet at 11 seconds. Frequent heavy showers. .TUESDAY...South winds 20 to 25 knots. Seas 6 to 9 feet, subsiding to 4 to 6 feet in the afternoon. Wave Detail: Southwest 6 feet at 8 seconds. Numerous showers. .TUESDAY NIGHT...South winds 10 to 15 knots in the evening, becoming variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: South southwest 4 feet at 14 seconds. Scattered showers. .WEDNESDAY...Winds variable less than 10 knots, becoming northeast 15 to 20 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: East 3 feet at 5 seconds and south southwest 3 feet at 14 seconds. Scattered showers. .WEDNESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 5 seconds. Scattered showers, mainly in the evening. .THURSDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 5 seconds. Scattered showers. .THURSDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East northeast 3 feet at 5 seconds. Scattered showers. .FRIDAY...East northeast winds 10 to 15 knots, rising to 15 to 20 knots in the afternoon and evening, easing to 10 to 15 knots after midnight. Seas 3 to 4 feet. Scattered showers. .SATURDAY...East northeast winds 10 to 15 knots, becoming east 15 to 20 knots in the afternoon and evening, then becoming east northeast 10 to 15 knots after midnight. Seas 3 to 4 feet. Isolated showers. $$ PHZ121-081530- Alenuihaha Channel- 446 PM HST Mon Sep 7 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON... .TONIGHT...Southeast winds 20 to 25 knots. Seas 10 to 14 feet, subsiding to 8 to 11 feet after midnight. Wave Detail: Southwest 10 feet at 12 seconds, west southwest 8 feet at 8 seconds and east 4 feet at 11 seconds. Frequent heavy showers. .TUESDAY...South winds 20 to 25 knots, becoming south southwest 15 to 20 knots in the afternoon. Seas 7 to 10 feet, subsiding to 6 to 7 feet in the afternoon. Wave Detail: Southwest 7 feet at 7 seconds and east 3 feet at 13 seconds. Numerous showers in the morning, then scattered showers with isolated thunderstorms in the afternoon. .TUESDAY NIGHT...South winds 7 to 10 knots. Seas 5 to 7 feet. Wave Detail: South southwest 4 feet at 14 seconds, west northwest 3 feet at 4 seconds and east 3 feet at 13 seconds. Numerous showers. .WEDNESDAY...East winds 10 to 15 knots, rising to 15 to 20 knots in the afternoon. Seas 5 to 7 feet. Wave Detail: East northeast 4 feet at 5 seconds, south southwest 4 feet at 14 seconds and east 3 feet at 13 seconds. Scattered showers. .WEDNESDAY NIGHT...East winds 10 to 15 knots, becoming east northeast 15 to 20 knots after midnight. Seas 5 to 6 feet. Wave Detail: East northeast 4 feet at 5 seconds, south southwest 4 feet at 13 seconds and east 3 feet at 12 seconds. Scattered showers. .THURSDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East northeast 4 feet at 5 seconds, south southwest 4 feet at 13 seconds and east 3 feet at 12 seconds. Isolated showers. .THURSDAY NIGHT...East winds to 15 knots. Seas 4 to 6 feet. Wave Detail: East northeast 4 feet at 5 seconds, east 3 feet at 11 seconds and south southwest 3 feet at 12 seconds. Scattered showers. .FRIDAY...East northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 4 seconds. Scattered showers in the morning, then isolated showers through the night. Scattered showers after midnight. .SATURDAY...East northeast winds 10 to 15 knots, rising to 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East northeast 3 feet at 4 seconds. Isolated showers, then scattered showers after midnight. Winds and seas higher in and near tstms. $$ PHZ122-081530- Big Island Windward Waters- 446 PM HST Mon Sep 7 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON... .TONIGHT...Southeast winds 20 to 25 knots, becoming south southeast 15 to 20 knots after midnight. Seas 6 to 9 feet, subsiding to 5 to 7 feet after midnight. Wave Detail: South 5 feet at 4 seconds, west southwest 5 feet at 12 seconds and east 4 feet at 13 seconds. Frequent heavy showers. .TUESDAY...South southeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: Southwest 5 feet at 15 seconds, southeast 4 feet at 4 seconds and east 3 feet at 13 seconds. Numerous showers. Isolated thunderstorms in the afternoon. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: South southwest 4 feet at 15 seconds, southeast 3 feet at 4 seconds and east 3 feet at 13 seconds. Scattered showers in the evening, then numerous showers after midnight. .WEDNESDAY...East southeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: South southwest 4 feet at 14 seconds, northeast 3 feet at 4 seconds and east 3 feet at 13 seconds. Scattered showers, mainly in the morning. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: South southwest 4 feet at 13 seconds, north northeast 3 feet at 4 seconds and east 3 feet at 12 seconds. Scattered showers. .THURSDAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: South southwest 4 feet at 13 seconds, north northeast 3 feet at 4 seconds and east 3 feet at 12 seconds. Scattered showers, mainly in the morning. .THURSDAY NIGHT...East winds to 10 knots. Seas 4 to 5 feet. Wave Detail: North northeast 3 feet at 4 seconds and east 3 feet at 11 seconds. Isolated showers in the evening, then scattered showers after midnight. .FRIDAY...East northeast winds 10 to 15 knots. Seas 4 to 6 feet. Isolated showers through the night, then scattered showers through the day. .SATURDAY...East northeast winds 10 to 15 knots. Seas 5 to 6 feet. Isolated showers through the night, then scattered showers through the day. Winds and seas higher in and near tstms. $$ PHZ123-081530- Big Island Leeward Waters- 446 PM HST Mon Sep 7 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON... .TONIGHT...South southeast winds 20 to 25 knots. Gusts up to 35 knots this evening. Seas 9 to 13 feet, subsiding to 8 to 11 feet after midnight. Wave Detail: West southwest 10 feet at 12 seconds and southwest 7 feet at 6 seconds. Isolated thunderstorms this evening. Frequent heavy showers. .TUESDAY...South southeast winds 20 to 25 knots, becoming south 15 to 20 knots in the afternoon. Seas 7 to 8 feet, subsiding to 5 to 6 feet in the afternoon. Wave Detail: Southwest 6 feet at 9 seconds and west northwest 5 feet at 8 seconds. Numerous showers. Isolated thunderstorms in the afternoon. .TUESDAY NIGHT...South winds 10 to 15 knots, backing to south southeast 7 to 10 knots after midnight. Seas 4 to 6 feet. Wave Detail: South southwest 4 feet at 14 seconds. Numerous showers. .WEDNESDAY...East southeast winds 7 to 10 knots, veering to southeast 10 to 15 knots in the afternoon. Seas 4 to 6 feet. Wave Detail: South southwest 4 feet at 14 seconds and east 3 feet at 4 seconds. Scattered showers. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: South southwest 4 feet at 13 seconds and east northeast 3 feet at 5 seconds. Scattered showers. .THURSDAY...East winds 10 to 15 knots, veering to south southeast in the afternoon. Seas 4 to 6 feet. Wave Detail: South southwest 4 feet at 13 seconds and east northeast 3 feet at 5 seconds. Scattered showers. .THURSDAY NIGHT...East southeast winds 10 to 15 knots, backing to northeast after midnight. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 5 seconds and south southwest 3 feet at 12 seconds. Scattered showers. .FRIDAY...East southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 4 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day. .SATURDAY...Northeast winds 10 to 15 knots, veering to southeast. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers, then scattered showers after midnight. Winds and seas higher in and near tstms. $$ PHZ124-081530- Big Island Southeast Waters- 446 PM HST Mon Sep 7 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON... .TONIGHT...South southeast winds 10 to 15 knots. Seas 7 to 9 feet. Wave Detail: West southwest 7 feet at 12 seconds, west 3 feet at 9 seconds and east 3 feet at 14 seconds. Frequent heavy showers. .TUESDAY...South winds 10 to 15 knots. Seas 6 to 7 feet. Wave Detail: West southwest 6 feet at 10 seconds, west northwest 3 feet at 8 seconds and east 3 feet at 13 seconds. Frequent heavy showers in the morning, then numerous showers with isolated thunderstorms in the afternoon. .TUESDAY NIGHT...Southeast winds 7 to 10 knots. Seas 5 to 6 feet. Wave Detail: South southwest 4 feet at 14 seconds and east 3 feet at 14 seconds. Frequent heavy showers in the evening, then occasional showers after midnight. .WEDNESDAY...East winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: South southwest 4 feet at 14 seconds, east 3 feet at 4 seconds and east 3 feet at 13 seconds. Numerous showers. .WEDNESDAY NIGHT...East northeast winds to 15 knots. Seas 5 to 6 feet. Wave Detail: South southwest 4 feet at 13 seconds, east northeast 3 feet at 4 seconds and east 3 feet at 12 seconds. Scattered showers. .THURSDAY...East northeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: Northeast 4 feet at 4 seconds, south southwest 4 feet at 13 seconds and east 3 feet at 12 seconds. Scattered showers. .THURSDAY NIGHT...East northeast winds to 15 knots. Seas 5 to 6 feet. Wave Detail: Northeast 4 feet at 4 seconds and east 3 feet at 11 seconds. Scattered showers. .FRIDAY...East northeast winds to 15 knots. Seas 3 to 5 feet. Wave Detail: East northeast 4 feet at 4 seconds. Isolated showers through the night, then scattered showers through the day. .SATURDAY...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Northeast 4 feet at 5 seconds. Isolated showers through the night, then scattered showers through the day. Winds and seas higher in and near tstms. $$