FZHW50 PHFO 041313 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 313 AM HST Sat Apr 4 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. 313 AM HST Sat Apr 4 2026 .Synopsis for Hawaiian coastal waters... Moderate to locally fresh east-northeasterly trade winds will gradually decrease through Sunday. Winds will then begin to veer out of the southeast early next week ahead of an approaching front. Showers and possibly isolated thunderstorm activity will likely increase by midweek.
Maui County Windward Waters- 313 AM HST Sat Apr 4 2026
TODAY East northeast winds 10 to 15 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers this morning.
TONIGHT 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.
SUNDAY East northeast winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds. Isolated showers in the morning.
SUNDAY NIGHT East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds and northwest 3 feet at 14 seconds. Isolated showers.
MONDAY East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds and northwest 3 feet at 13 seconds. Isolated showers.
MONDAY NIGHT East southeast winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds and northwest 3 feet at 17 seconds. Isolated showers.
TUESDAY East southeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: Northwest 5 feet at 14 seconds, east southeast 4 feet at 5 seconds and north northeast 3 feet at 11 seconds. Isolated showers through the night, then scattered heavy showers through the day.
WEDNESDAY Southeast winds 7 to 10 knots, becoming south 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East southeast 6 feet at 7 seconds, northwest 5 feet at 13 seconds and north northeast 3 feet at 10 seconds. Scattered heavy showers in the morning, then occasional heavy showers.
Maui County Leeward Waters- 313 AM HST Sat Apr 4 2026
TODAY East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds.
TONIGHT East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds.
SUNDAY East northeast winds 10 to 15 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 4 seconds.
SUNDAY NIGHT East northeast winds 10 to 15 knots, veering to east 7 to 10 knots after midnight. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds.
MONDAY East northeast winds 7 to 10 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers in the morning.
MONDAY NIGHT East winds 10 to 15 knots, becoming 7 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and south southwest 3 feet at 17 seconds. Isolated showers.
TUESDAY East northeast winds 7 to 10 knots in the morning, becoming variable less than 10 knots, then becoming southeast 7 to 10 knots after midnight. Seas 3 to 5 feet. Wave Detail: South southwest 4 feet at 18 seconds and east southeast 3 feet at 5 seconds. Isolated showers in the afternoon. Scattered heavy showers through the day.
WEDNESDAY Winds variable less than 10 knots, becoming south 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: South southeast 6 feet at 7 seconds and south southwest 4 feet at 16 seconds. Occasional heavy showers.
Maalaea Bay- 313 AM HST Sat Apr 4 2026
TODAY North winds 15 to 20 knots. Seas to 2 feet or less. Wave Detail: North 2 feet at 3 seconds.
TONIGHT North northeast winds 15 to 20 knots. Seas to 2 feet or less. Wave Detail: North 2 feet at 3 seconds.
SUNDAY North winds 15 to 20 knots. Seas to 2 feet or less.
SUNDAY NIGHT North winds to 20 knots, easing to 15 knots after midnight. Seas to 2 feet or less.
MONDAY North northeast winds 10 to 15 knots. Seas to 2 feet or less. Isolated showers in the afternoon.
MONDAY NIGHT North northeast winds 10 to 15 knots. Seas to 2 feet or less.
TUESDAY North northeast winds to 10 knots, becoming variable less than 10 knots. Seas to 2 feet or less. Isolated showers in the afternoon. Scattered heavy showers through the day.
WEDNESDAY Winds variable less than 10 knots, becoming south 7 to 10 knots after midnight. Seas to 2 feet or less. Wave Detail: South southwest 2 feet at 6 seconds. Scattered heavy showers in the morning, then occasional heavy showers.
Pailolo Channel- 313 AM HST Sat Apr 4 2026
TODAY East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 4 seconds. Isolated showers this morning.
TONIGHT East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 4 seconds. Isolated showers after midnight.
SUNDAY East northeast winds 15 to 20 knots. Seas to 2 feet or less. Isolated showers in the morning.
SUNDAY NIGHT East northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas to 3 feet. Isolated showers after midnight.
MONDAY East northeast winds 10 to 15 knots. Seas to 3 feet.
MONDAY NIGHT East winds 10 to 15 knots, backing to east northeast 7 to 10 knots after midnight. Seas to 3 feet. Isolated showers.
TUESDAY East northeast winds 7 to 10 knots, becoming variable less than 10 knots. Seas 3 to 5 feet. Isolated showers in the afternoon. Scattered heavy showers through the day.
WEDNESDAY Winds variable less than 10 knots, becoming south 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: South southeast 4 feet at 7 seconds. Occasional heavy showers.
Alenuihaha Channel- 313 AM HST Sat Apr 4 2026
TODAY East northeast winds to 20 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at 5 seconds.
TONIGHT East northeast winds to 20 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at 5 seconds. Isolated showers after midnight.
SUNDAY East northeast winds 15 to 20 knots. Seas to 3 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers in the morning.
SUNDAY NIGHT East northeast 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. Isolated showers.
MONDAY East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers in the morning.
MONDAY NIGHT East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds and south southwest 3 feet at 17 seconds. Isolated showers.
TUESDAY East winds 10 to 15 knots, veering to southeast after midnight. Seas 4 to 5 feet. Wave Detail: East 4 feet at 5 seconds and south southwest 4 feet at 18 seconds. Isolated showers through the night, then scattered heavy showers through the day.
WEDNESDAY East southeast winds 7 to 10 knots, veering to south southeast 10 to 15 knots in the evening, then becoming south 15 to 20 knots after midnight. Seas 4 to 5 feet. Wave Detail: Southeast 5 feet at 6 seconds and south southwest 4 feet at 16 seconds. Scattered heavy showers in the morning, then occasional heavy showers.
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