Hazardous marine condition(s):
Hurricane Watch
Tropical Storm Warning
PHZ100-251115-
1211 PM HST Thu Sep 24 2026
.Synopsis for Hawaiian coastal waters...
Moderate to locally strong trade winds will strengthen through
the next day as Tropical Storm Nolo intensifies to a hurricane
and moves northward. Hurricane conditions are possible for Big
Island waters Friday and Saturday. While uncertainty in the track
of the tropical cyclone is higher than normal, Nolo is expected
to move westward on Saturday and Sunday.
$$
PHZ124-251115- Big Island Southeast Waters- 1211 PM HST Thu Sep 24 2026 TROPICAL STORM WARNING IN EFFECT HURRICANE WATCH IN EFFECT REST OF TODAY East northeast winds 25 to 30 knots. Seas 10 to 11 feet. Wave Detail: East 9 feet at 7 seconds and south 5 feet at 8 seconds. Occasional heavy showers with isolated thunderstorms. TONIGHT East northeast winds 25 to 30 knots. Seas 11 to 14 feet. Wave Detail: East 11 feet at 8 seconds and south southwest 6 feet at 9 seconds. Occasional heavy showers with isolated thunderstorms. FRIDAY Tropical storm conditions expected with hurricane conditions possible. East northeast winds 30 to 40 knots. Seas 14 to 15 feet, building to 15 to 18 feet in the afternoon. Wave Detail: East southeast 16 feet at 9 seconds and south 6 feet at 10 seconds. Occasional heavy showers with isolated thunderstorms. FRIDAY NIGHT Tropical storm conditions expected with hurricane conditions possible. East northeast winds 40 to 50 knots. Gusts up to 65 knots after midnight. Seas 17 to 20 feet, building to 18 to 23 feet after midnight. Wave Detail: East southeast 21 feet at 10 seconds and south 5 feet at 11 seconds. Occasional heavy showers with isolated thunderstorms. SATURDAY Hurricane conditions possible. East southeast winds 40 to 50 knots. Seas 20 to 24 feet, subsiding to 18 to 23 feet in the afternoon. Wave Detail: East southeast 22 feet at 10 seconds and south 5 feet at 11 seconds. Occasional heavy showers with isolated thunderstorms. SATURDAY NIGHT Tropical storm conditions possible. Occasional showers. SUNDAY Tropical storm conditions possible. Numerous showers, mainly in the morning. MONDAY East northeast winds 25 to 30 knots, becoming east 15 to 20 knots. Seas 7 to 10 feet. Wave Detail: East 6 feet at 7 seconds and south southwest 6 feet at 9 seconds. Scattered showers. Winds and seas higher in and near tstms. $$
PHZ124-251115- Big Island Southeast Waters- 1211 PM HST Thu Sep 24 2026 TROPICAL STORM WARNING IN EFFECT HURRICANE WATCH IN EFFECT REST OF TODAY East northeast winds 25 to 30 knots. Seas 10 to 11 feet. Wave Detail: East 9 feet at 7 seconds and south 5 feet at 8 seconds. Occasional heavy showers with isolated thunderstorms. TONIGHT East northeast winds 25 to 30 knots. Seas 11 to 14 feet. Wave Detail: East 11 feet at 8 seconds and south southwest 6 feet at 9 seconds. Occasional heavy showers with isolated thunderstorms. FRIDAY Tropical storm conditions expected with hurricane conditions possible. East northeast winds 30 to 40 knots. Seas 14 to 15 feet, building to 15 to 18 feet in the afternoon. Wave Detail: East southeast 16 feet at 9 seconds and south 6 feet at 10 seconds. Occasional heavy showers with isolated thunderstorms. FRIDAY NIGHT Tropical storm conditions expected with hurricane conditions possible. East northeast winds 40 to 50 knots. Gusts up to 65 knots after midnight. Seas 17 to 20 feet, building to 18 to 23 feet after midnight. Wave Detail: East southeast 21 feet at 10 seconds and south 5 feet at 11 seconds. Occasional heavy showers with isolated thunderstorms. SATURDAY Hurricane conditions possible. East southeast winds 40 to 50 knots. Seas 20 to 24 feet, subsiding to 18 to 23 feet in the afternoon. Wave Detail: East southeast 22 feet at 10 seconds and south 5 feet at 11 seconds. Occasional heavy showers with isolated thunderstorms. SATURDAY NIGHT Tropical storm conditions possible. Occasional showers. SUNDAY Tropical storm conditions possible. Numerous showers, mainly in the morning. MONDAY East northeast winds 25 to 30 knots, becoming east 15 to 20 knots. Seas 7 to 10 feet. Wave Detail: East 6 feet at 7 seconds and south southwest 6 feet at 9 seconds. Scattered showers. Winds and seas higher in and near tstms. $$