FZHW50 PHFO 130142 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 341 PM HST Mon Jan 12 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. 341 PM HST Mon Jan 12 2026 .Synopsis for Hawaiian coastal waters... A front moving across the islands this afternoon will stall and dissipate just east of the Big Island tonight. Another front will move west to east across the islands Wednesday into Thursday. A passing high pressure system far north of the islands will bring back easterly trade winds from Friday through Sunday.
Big Island Windward Waters- 342 PM HST Mon Jan 12 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON...
TONIGHT West winds 15 to 20 knots, veering to north after midnight. Seas 10 to 14 feet. Wave Detail: Northwest 14 feet at 15 seconds and north northwest 5 feet at 7 seconds. Hazy. Scattered showers.
TUESDAY Northeast winds 15 to 20 knots. Seas 9 to 12 feet. Wave Detail: North northwest 12 feet at 14 seconds and east 4 feet at 5 seconds. Hazy in the morning. Scattered showers.
TUESDAY NIGHT East winds 10 to 15 knots, becoming east southeast 15 to 20 knots after midnight. Seas 7 to 10 feet. Wave Detail: North northwest 10 feet at 13 seconds and east 3 feet at 9 seconds. Scattered showers, mainly in the evening.
WEDNESDAY South winds 15 to 20 knots. Seas 5 to 8 feet. Wave Detail: Northwest 8 feet at 13 seconds and east 4 feet at 8 seconds.
WEDNESDAY NIGHT South southwest winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: Northwest 6 feet at 12 seconds and east 4 feet at 8 seconds. Isolated showers in the evening. Scattered showers after midnight.
THURSDAY West winds to 10 knots, veering to north northwest in the afternoon. Seas 6 to 9 feet, building to 9 to 13 feet in the afternoon. Wave Detail: North northwest 13 feet at 15 seconds and north northwest 5 feet at 7 seconds. Scattered showers in the morning, then numerous showers in the afternoon.
THURSDAY NIGHT North winds 15 to 20 knots. Seas 11 to 15 feet. Wave Detail: North northwest 15 feet at 15 seconds and north northwest 5 feet at 6 seconds. Scattered showers.
FRIDAY Northeast winds 15 to 20 knots. Seas 9 to 13 feet. Wave Detail: North northwest 13 feet at 15 seconds and northeast 4 feet at 5 seconds. Isolated showers.
SATURDAY East northeast winds 15 to 20 knots. Seas 7 to 10 feet. Wave Detail: North 8 feet at 13 seconds and east 4 feet at 7 seconds. Isolated showers.
Big Island Leeward Waters- 342 PM HST Mon Jan 12 2026
TONIGHT West southwest winds 15 to 20 knots, veering to east northeast after midnight. Seas 7 to 10 feet. Wave Detail: Northwest 8 feet at 15 seconds and north northwest 4 feet at 7 seconds. Hazy. Scattered showers this evening. Isolated showers after midnight.
TUESDAY East southeast winds 15 to 20 knots. Seas 6 to 9 feet, subsiding to 5 to 7 feet in the afternoon. Wave Detail: Northwest 6 feet at 14 seconds and north northeast 4 feet at 6 seconds. Hazy. Isolated showers.
TUESDAY NIGHT Northeast winds 15 to 20 knots, veering to southeast after midnight. Seas 5 to 7 feet. Wave Detail: Northwest 5 feet at 13 seconds and east 3 feet at 4 seconds. Hazy. Isolated showers.
WEDNESDAY South southeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: Southeast 4 feet at 5 seconds and northwest 4 feet at 12 seconds. Isolated showers in the afternoon.
WEDNESDAY NIGHT South winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: Northwest 5 feet at 11 seconds and west northwest 4 feet at 6 seconds. Scattered showers.
THURSDAY West southwest winds 7 to 10 knots, veering to north northwest in the afternoon. Seas 7 to 10 feet. Wave Detail: Northwest 8 feet at 15 seconds and west northwest 4 feet at 7 seconds. Numerous showers, mainly in the morning.
THURSDAY NIGHT North northeast winds 10 to 15 knots, rising to 15 to 20 knots after midnight. Seas 7 to 10 feet. Wave Detail: Northwest 8 feet at 15 seconds and northwest 4 feet at 6 seconds. Isolated showers.
FRIDAY East northeast winds 15 to 20 knots. Seas 6 to 9 feet. Wave Detail: Northwest 6 feet at 14 seconds and north northeast 4 feet at 6 seconds. Isolated showers.
SATURDAY Northeast winds 15 to 20 knots, becoming east 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: Northeast 4 feet at 5 seconds and northwest 3 feet at 13 seconds.
Big Island Southeast Waters- 342 PM HST Mon Jan 12 2026
TONIGHT Winds variable less than 10 knots, becoming north northeast 15 to 20 knots after midnight. Seas 5 to 7 feet. Wave Detail: Northwest 7 feet at 15 seconds and northeast 4 feet at 7 seconds. Hazy after midnight. Isolated showers after midnight.
TUESDAY East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: Northwest 6 feet at 14 seconds and northeast 5 feet at 6 seconds. Hazy. Scattered showers.
TUESDAY NIGHT East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: Northwest 5 feet at 13 seconds and east 4 feet at 9 seconds. Isolated showers in the evening.
WEDNESDAY East southeast winds 10 to 15 knots, veering to south southeast 7 to 10 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: Northwest 4 feet at 12 seconds and east 3 feet at 8 seconds. Isolated showers.
WEDNESDAY NIGHT South southwest winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East northeast 4 feet at 8 seconds and northwest 4 feet at 11 seconds. Scattered showers.
THURSDAY West southwest winds 10 to 15 knots in the morning, becoming variable less than 10 knots. Seas 5 to 7 feet. Wave Detail: Northwest 7 feet at 15 seconds and north northeast 4 feet at 8 seconds. Scattered showers.
THURSDAY NIGHT Northeast winds 10 to 15 knots, rising to 20 knots after midnight. Seas 5 to 8 feet. Wave Detail: Northwest 7 feet at 15 seconds and north northeast 5 feet at 7 seconds. Scattered showers, mainly in the evening.
FRIDAY Northeast winds 20 to 25 knots. Seas 5 to 8 feet. Wave Detail: East northeast 6 feet at 6 seconds and northwest 6 feet at 15 seconds. Isolated showers in the morning. Isolated showers through the day.
SATURDAY East northeast winds to 20 knots, becoming 20 to 25 knots. Seas 5 to 8 feet. Wave Detail: East 5 feet at 5 seconds and northwest 3 feet at 13 seconds. Isolated showers in the morning. Isolated showers through the day.
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