FZHW50 PHFO 060130 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 330 PM HST Sun Apr 5 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. 330 PM HST Sun Apr 5 2026 .Synopsis for Hawaiian coastal waters... High pressure north of the area will shift slowly east during the next few days, while broad troughing develops well west of the area. The trough is expected to shift east and closer to the state on Thursday with increasing showers and thunderstorm chances to end the week.
Maui County Windward Waters- 330 PM HST Sun Apr 5 2026
TONIGHT East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 5 seconds and north northwest 3 feet at 14 seconds. Isolated showers.
MONDAY East southeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds and northwest 3 feet at 13 seconds. Isolated showers in the morning.
MONDAY NIGHT East southeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds and northwest 3 feet at 17 seconds. Scattered showers after midnight.
TUESDAY East southeast winds 10 to 15 knots. Seas to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds and northwest 3 feet at 16 seconds. Scattered showers.
TUESDAY NIGHT Southeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: Northwest 5 feet at 14 seconds and east southeast 4 feet at 6 seconds. Scattered showers.
WEDNESDAY East southeast winds 7 to 10 knots. Seas 5 to 6 feet. Wave Detail: Northwest 5 feet at 13 seconds and east southeast 3 feet at 7 seconds. Scattered heavy showers.
WEDNESDAY NIGHT East southeast winds 10 to 15 knots, becoming southeast 15 to 20 knots after midnight. Seas 5 to 6 feet. Wave Detail: Northwest 5 feet at 12 seconds and east southeast 4 feet at 7 seconds. Numerous heavy showers with isolated thunderstorms.
THURSDAY East southeast winds 15 to 20 knots, rising to 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: East southeast 8 feet at 7 seconds and northwest 4 feet at 11 seconds. Occasional heavy showers with isolated thunderstorms.
FRIDAY South southeast winds 15 to 20 knots, veering to south southwest after midnight. Seas 5 to 8 feet. Wave Detail: East 8 feet at 7 seconds. Isolated thunderstorms through the night. Scattered heavy showers. Winds and seas higher in and near tstms.
Maui County Leeward Waters- 330 PM HST Sun Apr 5 2026
TONIGHT East winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 6 seconds.
MONDAY East winds 10 to 15 knots, becoming east southeast 15 to 20 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 5 seconds.
MONDAY NIGHT East southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Scattered showers after midnight.
TUESDAY East northeast winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: South southwest 4 feet at 18 seconds and east southeast 3 feet at 5 seconds. Scattered showers.
TUESDAY NIGHT Winds variable less than 10 knots, becoming east southeast 7 to 10 knots after midnight. Seas 4 to 5 feet. Wave Detail: South southwest 4 feet at 18 seconds. Scattered showers.
WEDNESDAY South southeast winds 7 to 10 knots. Seas 4 to 5 feet. Wave Detail: South southwest 4 feet at 16 seconds. Scattered heavy showers in the morning, then occasional heavy showers in the afternoon.
WEDNESDAY NIGHT East southeast winds to 10 knots, becoming southeast 15 to 20 knots after midnight. Seas 4 to 5 feet, building to 5 to 7 feet after midnight. Wave Detail: South 5 feet at 15 seconds and south southeast 4 feet at 5 seconds. Occasional heavy showers with isolated thunderstorms.
THURSDAY South southeast winds 15 to 20 knots, becoming east southeast 10 to 15 knots in the afternoon and evening, rising to 15 to 20 knots after midnight. Seas 5 to 7 feet. Wave Detail: South 5 feet at 14 seconds and south southeast 4 feet at 6 seconds. Occasional heavy showers with isolated thunderstorms.
FRIDAY South winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: South southeast 5 feet at 6 seconds and south 4 feet at 14 seconds. Scattered heavy showers with isolated thunderstorms through the night, then numerous heavy showers in the evening. Scattered heavy showers after midnight. Winds and seas higher in and near tstms.
Maalaea Bay- 330 PM HST Sun Apr 5 2026
TONIGHT North northwest winds 10 to 15 knots, veering to north northeast 7 to 10 knots after midnight. Seas to 2 feet or less.
MONDAY Winds variable less than 10 knots, becoming southwest 7 to 10 knots in the afternoon. Seas to 2 feet or less.
MONDAY NIGHT Winds variable less than 10 knots. Seas to 2 feet or less. Scattered showers after midnight.
TUESDAY Winds variable less than 10 knots. Seas to 2 feet or less. Scattered showers.
TUESDAY NIGHT Winds variable less than 10 knots. Seas to 2 feet or less. Scattered showers.
WEDNESDAY Winds variable less than 10 knots. Seas to 2 feet or less. Scattered heavy showers in the morning, then numerous heavy showers in the afternoon.
WEDNESDAY NIGHT Winds variable less than 10 knots. Seas to 2 feet or less. Wave Detail: South 2 feet at 15 seconds. Numerous heavy showers with isolated thunderstorms.
THURSDAY Winds variable less than 10 knots. Seas to 2 feet or less. Occasional heavy showers with isolated thunderstorms.
FRIDAY Winds variable less than 10 knots, becoming north northeast to 10 knots in the afternoon, then becoming south. Seas 3 to 4 feet. Wave Detail: Southwest 3 feet at 5 seconds and south southwest 3 feet at 14 seconds. Isolated thunderstorms through the night. Scattered heavy showers. Winds and seas higher in and near tstms.
Pailolo Channel- 330 PM HST Sun Apr 5 2026
TONIGHT East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 4 seconds.
MONDAY 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 4 seconds.
MONDAY NIGHT East northeast winds 7 to 10 knots. Seas to 3 feet. Scattered showers after midnight.
TUESDAY Winds variable less than 10 knots. Seas 3 to 4 feet. Scattered showers.
TUESDAY NIGHT Winds variable less than 10 knots. Seas 3 to 4 feet. Scattered showers.
WEDNESDAY Winds variable less than 10 knots. Seas 3 to 4 feet. Scattered heavy showers in the morning, then occasional heavy showers in the afternoon.
WEDNESDAY NIGHT Winds variable less than 10 knots. Seas 3 to 4 feet. Occasional heavy showers with isolated thunderstorms.
THURSDAY Winds variable less than 10 knots, becoming northeast 7 to 10 knots in the afternoon, then becoming variable less than 10 knots in the evening, becoming east 7 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. Occasional heavy showers with isolated thunderstorms.
FRIDAY South southeast winds 7 to 10 knots, veering to south 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: South southeast 4 feet at 5 seconds. Scattered heavy showers with isolated thunderstorms through the night, then numerous heavy showers through the day. Winds and seas higher in and near tstms.
Alenuihaha Channel- 330 PM HST Sun Apr 5 2026
TONIGHT East winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at 5 seconds.
MONDAY East winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at 5 seconds.
MONDAY NIGHT East winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Scattered showers after midnight.
TUESDAY East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 6 seconds and south southwest 4 feet at 18 seconds. Scattered showers.
TUESDAY NIGHT East winds 7 to 10 knots. Seas to 5 feet. Wave Detail: South southwest 4 feet at 18 seconds and east 3 feet at 6 seconds. Scattered showers.
WEDNESDAY Winds variable less than 10 knots, becoming east 7 to 10 knots in the afternoon. Seas 4 to 5 feet. Wave Detail: South southwest 4 feet at 16 seconds. Scattered heavy showers in the morning, then occasional heavy showers in the afternoon.
WEDNESDAY NIGHT East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: South southwest 4 feet at 15 seconds and east southeast 3 feet at 7 seconds. Isolated heavy showers and thunderstorms.
THURSDAY East northeast winds 15 to 20 knots, becoming east 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 7 seconds and south southwest 4 feet at 14 seconds. Isolated heavy showers. Isolated thunderstorms. Numerous heavy showers after midnight.
FRIDAY Southeast winds 10 to 15 knots, becoming south southwest 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 7 seconds and south southwest 4 feet at 14 seconds. Isolated thunderstorms through the night. Scattered heavy showers. Winds and seas higher in and near tstms.
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