


Coastal Waters Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
496 FZHW50 PHFO 011317 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 316 AM HST Mon Sep 1 2025 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. PHZ100-020200- 316 AM HST Mon Sep 1 2025 .Synopsis for Hawaiian coastal waters... Weak high pressure northeast of the state will remain displaced by a large low far to the north, keeping moderate trades in place. A low with deep tropical moisture will pass just south of the state through the rest of today. $$ PHZ110-020200- Kauai Northwest Waters- 317 AM HST Mon Sep 1 2025 .TODAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: North 4 feet at 12 seconds and east 3 feet at 5 seconds. Scattered showers. .TONIGHT...East winds 10 to 15 knots. Seas to 5 feet. Wave Detail: North 4 feet at 11 seconds and east 3 feet at 5 seconds. Isolated showers. .TUESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 3 feet at 5 seconds and north 3 feet at 10 seconds. Isolated showers in the morning. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds and north 3 feet at 9 seconds. Isolated showers. .WEDNESDAY...East southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers in the morning. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers. .THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds. Isolated showers in the morning. Isolated showers through the day. .FRIDAY...East winds 10 to 15 knots, veering to east southeast 7 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds. Isolated showers. Scattered showers after midnight. $$ PHZ111-020200- Kauai Windward Waters- 317 AM HST Mon Sep 1 2025 .TODAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 12 seconds and east southeast 3 feet at 5 seconds. Scattered showers. .TONIGHT...East winds 10 to 15 knots. Seas to 5 feet. Wave Detail: North 4 feet at 11 seconds and east southeast 3 feet at 6 seconds. .TUESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 10 seconds and east southeast 3 feet at 5 seconds. .TUESDAY NIGHT...East winds to 10 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and north 3 feet at 9 seconds. Isolated showers. .WEDNESDAY...East southeast winds to 10 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers in the morning. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds. Isolated showers in the morning. Isolated showers in the evening, then scattered showers after midnight. .FRIDAY...East southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 6 seconds. Scattered showers in the morning, then isolated showers through the night. Scattered showers after midnight. $$ PHZ112-020200- Kauai Leeward Waters- 317 AM HST Mon Sep 1 2025 .TODAY...East northeast winds 7 to 10 knots, veering to east 10 to 15 knots this afternoon. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 6 seconds, southeast 3 feet at 9 seconds and north 3 feet at 12 seconds. Isolated showers. .TONIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: North 4 feet at 11 seconds, east southeast 3 feet at 6 seconds and southeast 3 feet at 9 seconds. Scattered showers. .TUESDAY...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds and north 3 feet at 10 seconds. Isolated showers in the morning. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Southeast 3 feet at 5 seconds and north 3 feet at 9 seconds. Isolated showers after midnight. .WEDNESDAY...East southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. Isolated showers. .THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds. Isolated showers in the morning. Isolated showers through the day. .FRIDAY...East southeast winds 10 to 15 knots, backing to east 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers. $$ PHZ113-020200- Kauai Channel- 317 AM HST Mon Sep 1 2025 .TODAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 12 seconds and east southeast 3 feet at 6 seconds. Scattered showers. .TONIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 11 seconds and east southeast 3 feet at 6 seconds. .TUESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 10 seconds and southeast 3 feet at 5 seconds. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds and north 3 feet at 9 seconds. Isolated showers. .WEDNESDAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. Isolated showers in the morning. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds. Isolated showers in the morning. Isolated showers through the day. .FRIDAY...East winds 7 to 10 knots, becoming 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds. Isolated showers. $$ PHZ114-020200- Oahu Windward Waters- 317 AM HST Mon Sep 1 2025 .TODAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds and north 4 feet at 11 seconds. Isolated showers this morning. .TONIGHT...East winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 4 to 6 feet. Wave Detail: East southeast 4 feet at 5 seconds and north 4 feet at 11 seconds. .TUESDAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and north 3 feet at 10 seconds. Isolated showers in the morning. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and north 3 feet at 9 seconds. Isolated showers. .WEDNESDAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers in the morning. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds. Isolated showers. .THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds. Isolated showers. Scattered showers after midnight. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 6 seconds. Scattered showers in the morning, then isolated showers through the night. Scattered showers after midnight. $$ PHZ115-020200- Oahu Leeward Waters- 317 AM HST Mon Sep 1 2025 .TODAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds and north 3 feet at 12 seconds. Scattered showers, mainly this morning. .TONIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds and north 3 feet at 11 seconds. .TUESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Southeast 3 feet at 5 seconds and north 3 feet at 10 seconds. .TUESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Southeast 3 feet at 5 seconds. Isolated showers after midnight. .WEDNESDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. .WEDNESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers after midnight. .THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers in the morning. Isolated showers after midnight. .FRIDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. Isolated showers in the morning. Isolated showers after midnight. $$ PHZ116-020200- Kaiwi Channel- 317 AM HST Mon Sep 1 2025 .TODAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds and north 3 feet at 12 seconds. Scattered showers this morning. .TONIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East southeast 4 feet at 5 seconds and north 4 feet at 11 seconds. .TUESDAY...East winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and north 3 feet at 10 seconds. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds. Isolated showers. .WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers in the morning. .WEDNESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 5 seconds. Isolated showers. .THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers in the morning. Isolated showers through the day. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers. Scattered showers after midnight. $$ PHZ117-020200- Maui County Windward Waters- 317 AM HST Mon Sep 1 2025 .TODAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 4 seconds and north 3 feet at 12 seconds. .TONIGHT...East winds 15 to 20 knots, becoming east southeast 10 to 15 knots after midnight. Seas 4 to 6 feet. Wave Detail: East southeast 4 feet at 5 seconds and north 4 feet at 11 seconds. .TUESDAY...East southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 4 seconds and north 3 feet at 10 seconds. Isolated showers in the morning. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 4 seconds and north 3 feet at 9 seconds. Isolated showers. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds. Isolated showers in the morning. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds. Isolated showers. .THURSDAY...East winds to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds. Isolated showers in the morning. Isolated showers in the evening, then scattered showers after midnight. .FRIDAY...East southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 6 seconds. Isolated showers, then scattered showers after midnight. $$ PHZ118-020200- Maui County Leeward Waters- 317 AM HST Mon Sep 1 2025 .TODAY...East winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds. Isolated showers this morning. .TONIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds. .TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. .TUESDAY NIGHT...East winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. Isolated showers after midnight. .WEDNESDAY...East northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. .WEDNESDAY NIGHT...East northeast winds 7 to 10 knots, becoming 10 to 15 knots after midnight. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers after midnight. .THURSDAY...East winds 7 to 10 knots, becoming 10 to 15 knots in the evening, then becoming 7 to 10 knots after midnight. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers after midnight. .FRIDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. Isolated showers in the morning. Isolated showers after midnight. $$ PHZ119-020200- Maalaea Bay- 317 AM HST Mon Sep 1 2025 .TODAY...North winds to 20 knots. Seas to 2 feet or less. .TONIGHT...North winds to 20 knots. Seas to 2 feet or less. .TUESDAY...North winds to 20 knots. Seas to 2 feet or less. .TUESDAY NIGHT...North winds to 20 knots, easing to 15 knots after midnight. Seas to 2 feet or less. .WEDNESDAY...North winds to 15 knots, becoming north northeast in the afternoon. Seas to 2 feet or less. .WEDNESDAY NIGHT...North winds to 20 knots, easing to 15 knots after midnight. Seas to 2 feet or less. .THURSDAY...North winds to 20 knots, easing to 15 knots after midnight. Seas to 2 feet or less. .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. $$ PHZ120-020200- Pailolo Channel- 317 AM HST Mon Sep 1 2025 .TODAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 4 seconds. .TONIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 4 seconds. .TUESDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. .TUESDAY NIGHT...East northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas to 3 feet. Isolated showers. .WEDNESDAY...East northeast winds 10 to 15 knots, rising to 15 to 20 knots in the afternoon. Seas to 3 feet in the morning, then to 2 feet or less. Isolated showers in the morning. .WEDNESDAY NIGHT...East northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas to 2 feet or less, then to 3 feet after midnight. Isolated showers. .THURSDAY...East northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas to 3 feet. Isolated showers in the morning. Isolated showers through the day. .FRIDAY...East northeast winds 10 to 15 knots, rising to 15 to 20 knots in the afternoon and evening, then becoming east 10 to 15 knots after midnight. Seas to 3 feet. Isolated showers. $$ PHZ121-020200- Alenuihaha Channel- 317 AM HST Mon Sep 1 2025 .TODAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 5 seconds. Isolated showers this morning. .TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 5 seconds. .TUESDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers in the morning. .TUESDAY NIGHT...East northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers after midnight. .WEDNESDAY...East northeast winds 10 to 15 knots, rising to 15 to 20 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers in the morning. .WEDNESDAY NIGHT...East northeast winds 15 to 20 knots, becoming east 10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers after midnight. .THURSDAY...East winds 15 to 20 knots, becoming east northeast 10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers in the morning. Isolated showers through the day. .FRIDAY...East northeast winds 15 to 20 knots, becoming east 10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers. $$ PHZ122-020200- Big Island Windward Waters- 317 AM HST Mon Sep 1 2025 .TODAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: North 4 feet at 11 seconds and southeast 3 feet at 10 seconds. Isolated showers this morning. .TONIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: North 4 feet at 11 seconds and east southeast 3 feet at 5 seconds. Isolated showers after midnight. .TUESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: North 3 feet at 10 seconds and east southeast 3 feet at 11 seconds. Isolated showers in the morning. .TUESDAY NIGHT...East winds to 10 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 7 seconds and north 3 feet at 9 seconds. Isolated showers. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 11 seconds. Isolated showers in the morning. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 11 seconds. Isolated showers. .THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 10 seconds. Isolated showers in the morning. Isolated showers through the day. .FRIDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 6 seconds. Isolated showers, then scattered showers after midnight. $$ PHZ123-020200- Big Island Leeward Waters- 317 AM HST Mon Sep 1 2025 .TODAY...West of the Big Island, west southwest winds 7 to 10 knots, becoming 10 to 15 knots this afternoon. Near South Point, east winds to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds and south southeast 3 feet at 10 seconds. Isolated showers. .TONIGHT...West of the Big Island, south southwest winds 10 to 15 knots, becoming 7 to 10 knots after midnight. Near South Point, east winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East southeast 4 feet at 5 seconds. Isolated showers in the evening. Scattered showers after midnight. .TUESDAY...West winds 7 to 10 knots west of the Big Island...East 15 to 20 knots near South Point. Seas 3 to 5 feet. Wave Detail: Southeast 3 feet at 4 seconds. Isolated showers. .TUESDAY NIGHT...West of the Big Island, northwest winds 7 to 10 knots in the evening, becoming variable less than 10 knots. Near South Point, east winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: Southeast 3 feet at 4 seconds. Isolated showers after midnight. .WEDNESDAY...West of the Big Island, winds variable less than 10 knots. Near South Point, east northeast winds 10 to 15 knots, veering to east in the afternoon. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 4 seconds. Isolated showers in the morning. .WEDNESDAY NIGHT...Winds variable less than 10 knots west of the Big Island...East 15 to 20 knots near South Point. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 4 seconds. Isolated showers. .THURSDAY...West of the Big Island, winds variable less than 10 knots, becoming north 7 to 10 knots after midnight. Near South Point, east winds 15 to 20 knots, becoming east northeast 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers in the morning. Isolated showers after midnight. .FRIDAY...Winds variable less than 10 knots west of the Big Island...East 10 to 15 knots near South Point. Seas 3 to 5 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers in the morning. Isolated showers through the day. $$ PHZ124-020200- Big Island Southeast Waters- 317 AM HST Mon Sep 1 2025 .TODAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds and southeast 3 feet at 10 seconds. Isolated showers this morning. .TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds. Isolated showers after midnight. .TUESDAY...East northeast winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds. Isolated showers in the morning. .TUESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 7 seconds. Isolated showers. .WEDNESDAY...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 6 seconds. Isolated showers in the morning. .WEDNESDAY NIGHT...East northeast winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .THURSDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds. Isolated showers in the morning. Isolated showers through the day. .FRIDAY...East northeast winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers. $$