FZHW50 PHFO 181320 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 320 AM HST Wed Feb 18 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. 320 AM HST Wed Feb 18 2026 .Synopsis for Hawaiian coastal waters... Strong high pressure will remain far northeast of the state during the next couple of days, as a slow moving front approaches from the west. The front will stall out and weaken into a trough just a few hundred miles west of the islands this weekend, with a new high building in to the distant north.
Maui County Windward Waters- 320 AM HST Wed Feb 18 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...
TODAY East winds 25 to 30 knots. Seas 11 to 13 feet. Wave Detail: East 11 feet at 8 seconds and northeast 7 feet at 9 seconds. Isolated showers.
TONIGHT East winds 25 to 30 knots. Seas 12 to 14 feet. Wave Detail: East 11 feet at 8 seconds, northeast 7 feet at 9 seconds and northwest 3 feet at 13 seconds. Scattered showers.
THURSDAY East winds 25 to 30 knots. Seas 12 to 13 feet. Wave Detail: East 11 feet at 9 seconds, northeast 7 feet at 10 seconds and northwest 3 feet at 12 seconds. Scattered showers, mainly in the morning.
THURSDAY NIGHT East winds to 25 knots. Seas 11 to 13 feet. Wave Detail: East northeast 11 feet at 9 seconds and northwest 3 feet at 12 seconds. Scattered showers.
FRIDAY East winds to 25 knots. Seas 11 to 13 feet. Wave Detail: East 10 feet at 9 seconds and northeast 6 feet at 9 seconds. Numerous showers, mainly in the morning.
FRIDAY NIGHT East winds to 20 knots. Seas 10 to 12 feet. Wave Detail: East 9 feet at 8 seconds and northeast 6 feet at 9 seconds. Numerous showers.
SATURDAY East winds to 20 knots, easing to 15 knots after midnight. Seas 9 to 10 feet. Wave Detail: East 9 feet at 9 seconds and east northeast 5 feet at 8 seconds. Numerous showers in the morning, then scattered showers in the afternoon. Numerous showers through the day.
SUNDAY East winds 15 to 20 knots. Seas 7 to 9 feet. Wave Detail: East 6 feet at 8 seconds and northeast 6 feet at 12 seconds. Numerous showers.
Maui County Leeward Waters- 320 AM HST Wed Feb 18 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...
TODAY East winds 25 to 30 knots. Seas 7 to 10 feet. Wave Detail: East southeast 10 feet at 8 seconds.
TONIGHT East winds 25 to 30 knots. Seas 7 to 10 feet. Wave Detail: East southeast 9 feet at 8 seconds.
THURSDAY East winds 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: East southeast 9 feet at 8 seconds.
THURSDAY NIGHT East northeast winds 15 to 20 knots, becoming east 20 to 25 knots after midnight. Seas 5 to 8 feet. Wave Detail: East southeast 8 feet at 8 seconds. Scattered showers after midnight.
FRIDAY East winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East southeast 7 feet at 7 seconds. Scattered showers.
FRIDAY NIGHT East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East southeast 6 feet at 6 seconds. Scattered showers.
SATURDAY East northeast winds 10 to 15 knots, becoming 7 to 10 knots after midnight. Seas 3 to 5 feet. Wave Detail: East southeast 5 feet at 6 seconds. Scattered showers.
SUNDAY East northeast winds 7 to 10 knots, backing to northeast 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Scattered showers.
Maalaea Bay- 320 AM HST Wed Feb 18 2026
...GALE WARNING IN EFFECT THROUGH LATE THIS AFTERNOON...
TODAY North northeast winds 25 to 35 knots. Seas 3 to 4 feet. Wave Detail: South southeast 4 feet at 4 seconds.
TONIGHT East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 4 seconds.
THURSDAY East northeast winds 15 to 20 knots. Seas to 3 feet in the morning, then to 2 feet or less. Wave Detail: Southeast 3 feet at 4 seconds.
THURSDAY NIGHT North winds to 25 knots. Seas to 2 feet or less. Wave Detail: South southeast 2 feet at 5 seconds.
FRIDAY North winds to 25 knots. Seas to 2 feet or less. Wave Detail: South southeast 2 feet at 5 seconds. Scattered showers.
FRIDAY NIGHT North winds to 25 knots, easing to 20 knots after midnight. Seas to 2 feet or less. Scattered showers.
SATURDAY North winds to 20 knots, easing to 15 knots after midnight. Seas to 2 feet or less. Scattered showers.
SUNDAY East northeast winds to 10 knots, becoming north. Seas to 2 feet or less. Scattered showers.
Pailolo Channel- 320 AM HST Wed Feb 18 2026
...GALE WARNING IN EFFECT THROUGH LATE THIS AFTERNOON...
TODAY East winds 30 to 40 knots. Seas 9 to 12 feet. Wave Detail: East northeast 10 feet at 8 seconds.
TONIGHT East winds 25 to 30 knots. Seas 8 to 11 feet. Wave Detail: East 8 feet at 6 seconds and east northeast 5 feet at 9 seconds.
THURSDAY East winds 20 to 25 knots. Seas 7 to 10 feet. Wave Detail: East 7 feet at 6 seconds and east northeast 5 feet at 9 seconds. Isolated showers in the morning.
THURSDAY NIGHT East winds 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: East 7 feet at 6 seconds and east northeast 4 feet at 9 seconds. Scattered showers after midnight.
FRIDAY East northeast winds 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: East northeast 6 feet at 8 seconds. Scattered showers.
FRIDAY NIGHT East northeast winds 20 to 25 knots, easing to 15 to 20 knots after midnight. Seas 5 to 7 feet. Wave Detail: East northeast 5 feet at 9 seconds. Scattered showers.
SATURDAY East northeast winds 15 to 20 knots, becoming east 10 to 15 knots after midnight. Seas 5 to 7 feet. Wave Detail: East northeast 5 feet at 8 seconds. Scattered showers.
SUNDAY East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 7 seconds. Scattered showers.
Alenuihaha Channel- 320 AM HST Wed Feb 18 2026
...GALE WARNING IN EFFECT THROUGH LATE THIS AFTERNOON...
TODAY East winds 30 to 35 knots. Seas 11 to 14 feet. Wave Detail: East northeast 13 feet at 9 seconds. Isolated showers.
TONIGHT East winds 30 to 35 knots, easing to 25 to 30 knots after midnight. Seas 10 to 13 feet. Wave Detail: East northeast 12 feet at 9 seconds. Scattered showers.
THURSDAY East winds 25 to 30 knots. Seas 10 to 13 feet. Wave Detail: East northeast 12 feet at 9 seconds. Scattered showers in the morning. Isolated showers in the afternoon.
THURSDAY NIGHT East winds 25 to 30 knots. Seas 9 to 12 feet. Wave Detail: East northeast 11 feet at 9 seconds. Scattered showers, mainly in the evening.
FRIDAY East winds 20 to 25 knots. Seas 8 to 11 feet. Wave Detail: East northeast 10 feet at 9 seconds. Scattered showers.
FRIDAY NIGHT East northeast winds 20 to 25 knots. Seas 7 to 9 feet. Wave Detail: East northeast 8 feet at 8 seconds. Scattered showers.
SATURDAY East northeast winds 15 to 20 knots. Seas 6 to 9 feet. Wave Detail: East northeast 7 feet at 8 seconds. Scattered showers.
SUNDAY East northeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: East northeast 5 feet at 9 seconds. Scattered showers.
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