FZHW50 PHFO 301313 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 312 AM HST Mon Jun 30 2025 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. 312 AM HST Mon Jun 30 2025 .Synopsis for Hawaiian coastal waters... A trough located far to the north along with weakening surface high pressure to the northeast will contribute to a slight southerly component to the winds today. Winds should then increase and become easterly Tuesday through midweek as the trough weakens and dissipates. High pressure will rebuild to the north by Independence Day into the weekend, further strengthening trades.
Maui County Windward Waters- 313 AM HST Mon Jun 30 2025
TODAY East winds 10 to 15 knots, becoming east southeast 15 to 20 knots this afternoon. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers, mainly this morning.
TONIGHT East winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers after midnight.
TUESDAY East winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers in the morning.
TUESDAY NIGHT East winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers in the evening, then scattered showers after midnight.
WEDNESDAY East winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers.
WEDNESDAY NIGHT East winds to 15 knots. Seas to 4 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers in the evening, then scattered showers after midnight.
THURSDAY East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers.
FRIDAY East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Scattered showers in the morning. Isolated showers through the night, then scattered showers after midnight.
Maui County Leeward Waters- 313 AM HST Mon Jun 30 2025
TODAY East southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds and south southwest 3 feet at 15 seconds. Hazy. Isolated showers this morning. Scattered showers this afternoon.
TONIGHT East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and south southwest 3 feet at 14 seconds. Hazy in the evening. Isolated showers.
TUESDAY East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and south southwest 3 feet at 13 seconds.
TUESDAY NIGHT East winds 10 to 15 knots, backing to east northeast 7 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds and south 3 feet at 13 seconds. Isolated showers after midnight.
WEDNESDAY Northeast winds 7 to 10 knots, veering to east northeast 10 to 15 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds. Isolated showers in the morning.
WEDNESDAY NIGHT East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds. Isolated showers.
THURSDAY Northeast winds 7 to 10 knots, veering to east 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 after midnight.
FRIDAY East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 6 seconds. Isolated showers in the morning. Isolated showers after midnight.
Maalaea Bay- 313 AM HST Mon Jun 30 2025
TODAY North winds to 15 knots, rising to 20 knots this afternoon. Seas to 2 feet or less. Isolated showers this afternoon.
TONIGHT North winds to 20 knots. Seas to 2 feet or less.
TUESDAY North winds to 15 knots, becoming north northeast in the afternoon. 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. Seas to 2 feet or less.
THURSDAY North winds to 20 knots. Seas to 2 feet or less.
FRIDAY North winds to 20 knots, rising to 25 knots. Seas to 2 feet or less. Wave Detail: Northeast 2 feet at 3 seconds.
Pailolo Channel- 313 AM HST Mon Jun 30 2025
TODAY East winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Hazy. Scattered showers this morning. Isolated showers this afternoon.
TONIGHT East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Hazy in the evening.
TUESDAY East northeast winds 15 to 20 knots. Seas 3 to 4 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 4 seconds. Isolated showers.
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 4 seconds. Isolated showers in the morning.
WEDNESDAY NIGHT East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers.
THURSDAY East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers in the morning. Isolated showers through the day.
FRIDAY East northeast winds 15 to 20 knots, rising to 20 to 25 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 4 seconds. Scattered showers in the morning. Isolated showers in the evening, then scattered showers after midnight.
Alenuihaha Channel- 313 AM HST Mon Jun 30 2025
TODAY East winds 10 to 15 knots, becoming east northeast 15 to 20 knots this afternoon. Seas 4 to 6 feet. Wave Detail: East 5 feet at 5 seconds and south southwest 3 feet at 15 seconds. Hazy. Scattered showers this morning. Isolated showers this afternoon.
TONIGHT East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East northeast 4 feet at 5 seconds and south southwest 3 feet at 14 seconds. Hazy in the evening. Isolated showers.
TUESDAY East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East northeast 4 feet at 5 seconds and south southwest 3 feet at 13 seconds. Isolated showers in the morning.
TUESDAY NIGHT East winds 15 to 20 knots, becoming east northeast 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave Detail: East northeast 5 feet at 5 seconds. Isolated showers. Hazy 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 northeast 4 feet at 5 seconds. Isolated showers.
WEDNESDAY NIGHT East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East northeast 5 feet at 5 seconds. Isolated showers.
THURSDAY East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East northeast 5 feet at 6 seconds. Isolated showers in the morning. Isolated showers through the day.
FRIDAY East northeast winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at 6 seconds. Isolated showers.
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