FZHW50 PHFO 311300 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 300 AM HST Mon Mar 31 2025 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. 300 AM HST Mon Mar 31 2025 .Synopsis for Hawaiian coastal waters... A surface ridge over the islands will shift southward today and Tuesday as a cold front approaches from the west. The cold front will move into the western waters late this week.
Maui County Windward Waters- 300 AM HST Mon Mar 31 2025
TODAY Southeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East southeast 4 feet at 5 seconds and north northeast 3 feet at 9 seconds. Hazy. Isolated showers.
TONIGHT South southeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East southeast 5 feet at 6 seconds and north northeast 3 feet at 9 seconds. Hazy. Isolated showers.
TUESDAY Southeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East southeast 5 feet at 6 seconds, west northwest 3 feet at 10 seconds and north 3 feet at 11 seconds. Hazy. Isolated showers.
TUESDAY NIGHT Southeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East southeast 5 feet at 6 seconds, west northwest 3 feet at 10 seconds and north 3 feet at 10 seconds. Hazy. Isolated showers.
WEDNESDAY East southeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East southeast 5 feet at 6 seconds and west northwest 3 feet at 10 seconds. Hazy. Isolated showers.
WEDNESDAY NIGHT Southeast winds to 15 knots. Seas 5 to 6 feet. Wave Detail: East southeast 5 feet at 7 seconds and west northwest 3 feet at 10 seconds. Hazy. Isolated showers.
THURSDAY Southeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: East 4 feet at 7 seconds and northwest 4 feet at 10 seconds. Hazy through the night. Isolated showers.
FRIDAY East southeast winds 10 to 15 knots, backing to northeast. Seas 5 to 8 feet. Wave Detail: North northwest 7 feet at 13 seconds and east 4 feet at 5 seconds. Isolated showers through the night, then scattered showers through the day.
Maui County Leeward Waters- 300 AM HST Mon Mar 31 2025
TODAY South southeast winds 7 to 10 knots, becoming 10 to 15 knots this afternoon. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. Hazy. Isolated showers.
TONIGHT South winds to 15 knots. Seas 4 to 6 feet. Wave Detail: South southeast 5 feet at 6 seconds. Hazy. Isolated showers.
TUESDAY South winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: South southeast 5 feet at 6 seconds. Hazy. Isolated showers.
TUESDAY NIGHT South winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. Hazy. Scattered showers.
WEDNESDAY East winds to 10 knots, veering to south southeast in the afternoon. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 5 seconds. Hazy. Scattered showers in the morning. Isolated showers in the afternoon.
WEDNESDAY NIGHT South southwest winds 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 5 seconds and west northwest 3 feet at 10 seconds. Hazy. Isolated showers.
THURSDAY South southwest winds to 10 knots, veering to west northwest 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. Hazy through the night. Isolated showers.
FRIDAY Southeast winds to 10 knots, backing to north northeast. Seas 3 to 5 feet. Wave Detail: Southeast 3 feet at 4 seconds and north northwest 3 feet at 12 seconds. Isolated showers.
Maalaea Bay- 300 AM HST Mon Mar 31 2025
TODAY Winds variable less than 10 knots, becoming southwest 7 to 10 knots this afternoon. Seas to 2 feet or less. Hazy. Isolated showers this afternoon.
TONIGHT South winds 10 to 15 knots, veering to west 7 to 10 knots after midnight. Seas to 2 feet or less. Wave Detail: South 2 feet at 6 seconds. Hazy.
TUESDAY Winds variable less than 10 knots, becoming southwest 7 to 10 knots in the afternoon. Seas to 2 feet or less. Wave Detail: South 2 feet at 6 seconds. Hazy. Isolated showers.
TUESDAY NIGHT Winds variable less than 10 knots. Seas to 2 feet or less. Hazy.
WEDNESDAY Winds variable less than 10 knots, becoming north northeast to 10 knots in the afternoon. Seas to 2 feet or less. Hazy. Isolated showers in the afternoon.
WEDNESDAY NIGHT Winds variable less than 10 knots. Seas to 2 feet or less. Hazy.
THURSDAY Winds variable less than 10 knots, becoming southwest to 10 knots in the afternoon, then becoming variable less than 10 knots. Seas to 2 feet or less. Hazy through the night. Isolated showers through the night.
FRIDAY Winds variable less than 10 knots, becoming north to 10 knots. Seas to 2 feet or less. Isolated showers through the night.
Pailolo Channel- 300 AM HST Mon Mar 31 2025
TODAY South southwest winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. Hazy. Isolated showers this afternoon.
TONIGHT South winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South southeast 3 feet at 6 seconds. Hazy. Isolated showers.
TUESDAY South southeast winds 7 to 10 knots, backing to east 10 to 15 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: South southeast 3 feet at 6 seconds. Hazy. Isolated showers.
TUESDAY NIGHT South southwest winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. Hazy. Isolated showers.
WEDNESDAY East northeast winds to 10 knots, veering to south southeast in the afternoon. Seas to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. Hazy. Isolated showers.
WEDNESDAY NIGHT South winds 7 to 10 knots. Seas to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. Hazy. Isolated showers.
THURSDAY South southwest winds to 10 knots, veering to northwest in the evening, veering to east after midnight. Seas to 3 feet. Hazy through the night. Isolated showers.
FRIDAY Southeast winds 7 to 10 knots, backing to northeast 10 to 15 knots. Seas 3 to 4 feet. Isolated showers.
Alenuihaha Channel- 300 AM HST Mon Mar 31 2025
TODAY East winds 10 to 15 knots, becoming south southeast 15 to 20 knots this afternoon. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds. Hazy. Isolated showers.
TONIGHT South southeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: Southeast 5 feet at 6 seconds. Hazy. Isolated showers.
TUESDAY East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: Southeast 5 feet at 6 seconds. Hazy. Isolated showers.
TUESDAY NIGHT Southeast winds 10 to 15 knots, becoming east northeast 15 to 20 knots after midnight. Seas 4 to 6 feet. Wave Detail: Southeast 5 feet at 6 seconds. Hazy. Scattered showers.
WEDNESDAY East southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds. Hazy. Scattered showers in the morning. Isolated showers in the afternoon.
WEDNESDAY NIGHT East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds and west northwest 3 feet at 10 seconds. Hazy. Isolated showers.
THURSDAY East southeast winds 10 to 15 knots, veering to west southwest in the evening, backing to east after midnight. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Hazy through the night. Isolated showers.
FRIDAY East southeast winds to 10 knots, backing to northeast in the evening, then becoming east northeast 15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds and northwest 3 feet at 12 seconds. Isolated showers.
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