FZHW50 PHFO 050113 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 312 PM HST Thu Dec 4 2025 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. 312 PM HST Thu Dec 4 2025 .Synopsis for Hawaiian coastal waters... A trough west of Kauai will gradually weaken and retrograde westward through Friday. Meanwhile, a surface ridge will strengthen well northeast of the state and bring a return of moderate to locally strong east to east southeast flow through this weekend. A moderate to large northwest swell, combined with increasing winds, will lead to combined seas in excess of 10 feet tonight into Friday for exposed waters.
Maui County Windward Waters- 312 PM HST Thu Dec 4 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY SATURDAY MORNING...
TONIGHT East southeast winds 20 to 25 knots. Seas 8 to 9 feet, building to 8 to 11 feet after midnight. Wave Detail: Northwest 8 feet at 13 seconds and east 7 feet at 7 seconds. Scattered showers.
FRIDAY East winds 20 to 25 knots. Seas 10 to 11 feet. Wave Detail: North northwest 8 feet at 13 seconds and east 7 feet at 7 seconds. Scattered showers, mainly in the morning.
FRIDAY NIGHT East winds 15 to 20 knots. Seas 8 to 11 feet, subsiding to 8 to 9 feet after midnight. Wave Detail: North northwest 8 feet at 14 seconds and east 7 feet at 7 seconds. Isolated showers in the evening.
SATURDAY East southeast winds to 15 knots. Seas 6 to 8 feet. Wave Detail: East southeast 6 feet at 8 seconds and north northwest 6 feet at 13 seconds. Isolated showers in the afternoon.
SATURDAY NIGHT East winds to 15 knots. Seas to 6 feet. Wave Detail: North northwest 5 feet at 12 seconds and east southeast 4 feet at 8 seconds. Isolated showers.
SUNDAY East winds to 15 knots. Seas to 6 feet. Wave Detail: North northwest 5 feet at 12 seconds and east 4 feet at 8 seconds. Isolated showers.
SUNDAY NIGHT East winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 4 feet at 8 seconds and north northwest 4 feet at 12 seconds. Isolated showers.
MONDAY East winds to 20 knots. Seas 5 to 6 feet. Wave Detail: East 4 feet at 7 seconds and northwest 4 feet at 14 seconds. Isolated showers in the morning. Isolated showers through the day.
TUESDAY East southeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: Northwest 6 feet at 16 seconds. Isolated showers.
Maui County Leeward Waters- 312 PM HST Thu Dec 4 2025
TONIGHT East winds 10 to 15 knots, rising to 15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds and northwest 3 feet at 13 seconds. Isolated showers.
FRIDAY East winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds and northwest 3 feet at 13 seconds. Isolated showers in the morning. Hazy in the afternoon.
FRIDAY NIGHT East winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds and north northwest 3 feet at 14 seconds. Hazy in the evening. Isolated showers.
SATURDAY East winds 10 to 15 knots, backing to east northeast 7 to 10 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds and north northwest 3 feet at 13 seconds. Isolated showers in the morning.
SATURDAY NIGHT East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds and north northwest 3 feet at 12 seconds.
SUNDAY 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 5 seconds.
SUNDAY NIGHT East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds.
MONDAY East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds.
TUESDAY East winds 15 to 20 knots, easing to 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Northwest 3 feet at 14 seconds. Isolated showers after midnight.
Maalaea Bay- 312 PM HST Thu Dec 4 2025
TONIGHT North northeast winds 10 to 15 knots. Seas to 2 feet or less.
FRIDAY North northeast winds 20 to 25 knots. Seas to 2 feet or less. Hazy in the afternoon.
FRIDAY NIGHT North winds 20 to 25 knots. Seas to 2 feet or less.
SATURDAY North winds 15 to 20 knots. Seas to 2 feet or less.
SATURDAY NIGHT North winds to 20 knots. Seas to 2 feet or less.
SUNDAY North winds to 20 knots. Seas to 2 feet or less.
SUNDAY NIGHT North winds to 25 knots. Seas to 2 feet or less.
MONDAY North winds to 25 knots, easing to 20 knots after midnight. Seas to 2 feet or less.
TUESDAY North northeast winds to 20 knots, easing to 15 knots after midnight. Seas to 2 feet or less.
Pailolo Channel- 312 PM HST Thu Dec 4 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY SATURDAY MORNING...
TONIGHT East winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers.
FRIDAY East northeast winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers in the morning.
FRIDAY NIGHT East northeast winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds.
SATURDAY East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 4 seconds.
SATURDAY NIGHT East winds 15 to 20 knots. Seas 3 to 4 feet.
SUNDAY East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
SUNDAY NIGHT East northeast winds 20 to 25 knots. Seas 3 to 4 feet.
MONDAY East northeast winds 20 to 25 knots, becoming east 15 to 20 knots after midnight. Seas to 3 feet.
TUESDAY East northeast winds 15 to 20 knots, becoming south 10 to 15 knots after midnight. Seas 3 to 4 feet. Isolated showers through the day.
Alenuihaha Channel- 312 PM HST Thu Dec 4 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY SATURDAY MORNING...
TONIGHT East winds 20 to 25 knots. Gusts up to 35 knots after midnight. Seas 5 to 7 feet. Wave Detail: East northeast 6 feet at 7 seconds and west northwest 3 feet at 13 seconds. Hazy. Scattered showers.
FRIDAY East northeast winds 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East northeast 6 feet at 7 seconds and northwest 3 feet at 13 seconds. Hazy. Scattered showers in the morning. Isolated showers in the afternoon.
FRIDAY NIGHT East northeast winds 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East northeast 6 feet at 6 seconds and northwest 3 feet at 13 seconds. Hazy. Isolated showers.
SATURDAY East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at 6 seconds and northwest 3 feet at 13 seconds.
SATURDAY NIGHT East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers in the evening.
SUNDAY East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds.
SUNDAY NIGHT East northeast winds 20 to 25 knots. Seas 4 to 5 feet. Wave Detail: East northeast 4 feet at 6 seconds.
MONDAY East northeast winds 20 to 25 knots, becoming east 15 to 20 knots after midnight. Seas 4 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers after midnight.
TUESDAY East winds 15 to 20 knots, becoming east southeast 10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail: Northwest 3 feet at 14 seconds. Isolated showers in the morning. Isolated showers through the day.
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