FZHW50 PHFO 191307 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 306 AM HST Mon Jan 19 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. 306 AM HST Mon Jan 19 2026 .Synopsis for Hawaiian coastal waters... Winds are weakening and veering to the southeast ahead of a cold front approaching from the northwest. This cold front is expected to move into the northwest coastal waters by late Tuesday, then stall out near the central waters Wednesday and Thursday.
Maui County Windward Waters- 307 AM HST Mon Jan 19 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY TUESDAY MORNING...
TODAY East southeast winds to 20 knots. Seas 8 to 9 feet, subsiding to 6 to 8 feet this afternoon. Wave Detail: Northwest 7 feet at 14 seconds and east southeast 6 feet at 6 seconds.
TONIGHT East southeast winds 15 to 20 knots. Seas to 6 feet. Wave Detail: East 6 feet at 7 seconds and northwest 4 feet at 12 seconds. Isolated showers in the evening.
TUESDAY Southeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East southeast 6 feet at 7 seconds and northwest 6 feet at 15 seconds.
TUESDAY NIGHT Southeast winds 7 to 10 knots in the evening, becoming variable less than 10 knots. Seas 6 to 7 feet. Wave Detail: Northwest 6 feet at 14 seconds and east southeast 4 feet at 7 seconds. Isolated showers.
WEDNESDAY Winds variable less than 10 knots, becoming east northeast 7 to 10 knots in the afternoon. Seas 6 to 9 feet. Wave Detail: Northwest 8 feet at 15 seconds and east 3 feet at 7 seconds. Isolated showers.
WEDNESDAY NIGHT East northeast winds 7 to 10 knots. Seas 7 to 9 feet. Wave Detail: Northwest 8 feet at 13 seconds and east 4 feet at 7 seconds. Scattered showers.
THURSDAY East northeast winds 7 to 10 knots, becoming 10 to 15 knots. Seas 6 to 9 feet. Wave Detail: Northwest 8 feet at 13 seconds and east 5 feet at 8 seconds. Scattered showers.
FRIDAY East northeast winds 10 to 15 knots. Seas 6 to 8 feet. Wave Detail: North northwest 7 feet at 12 seconds and east 4 feet at 8 seconds. Scattered showers.
Maui County Leeward Waters- 307 AM HST Mon Jan 19 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY TUESDAY MORNING...
TODAY East winds 20 to 25 knots, easing to 15 to 20 knots this afternoon. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds and northwest 3 feet at 14 seconds.
TONIGHT East southeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 6 seconds.
TUESDAY East winds 15 to 20 knots, becoming south southeast 10 to 15 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and west northwest 3 feet at 14 seconds.
TUESDAY NIGHT Winds variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: West northwest 3 feet at 14 seconds.
WEDNESDAY North northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: Northwest 3 feet at 15 seconds. Isolated showers in the afternoon.
WEDNESDAY NIGHT Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: North 4 feet at 6 seconds and west northwest 3 feet at 14 seconds. Isolated showers in the evening. Scattered showers after midnight.
THURSDAY Northeast winds 10 to 15 knots, backing to north 7 to 10 knots in the afternoon, veering to northeast 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: North northeast 4 feet at 6 seconds and northwest 3 feet at 13 seconds. Scattered showers.
FRIDAY Northeast winds 7 to 10 knots, becoming 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East northeast 4 feet at 5 seconds and north northwest 3 feet at 12 seconds. Scattered showers.
Maalaea Bay- 307 AM HST Mon Jan 19 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY TUESDAY MORNING...
TODAY North winds 20 to 25 knots. Seas to 2 feet or less.
TONIGHT North winds to 20 knots. Seas to 2 feet or less.
TUESDAY North winds to 20 knots, becoming south southwest 10 to 15 knots in the afternoon. Seas to 2 feet or less.
TUESDAY NIGHT Winds variable less than 10 knots. Seas to 2 feet or less.
WEDNESDAY Winds variable less than 10 knots. Seas to 2 feet or less.
WEDNESDAY NIGHT North winds to 15 knots. Seas to 2 feet or less. Isolated showers after midnight.
THURSDAY Winds variable less than 10 knots, becoming north to 15 knots. Seas to 2 feet or less. Isolated showers in the afternoon.
FRIDAY North winds to 15 knots, rising to 20 knots in the evening, easing to 15 knots after midnight. Seas to 2 feet or less. Isolated showers.
Pailolo Channel- 307 AM HST Mon Jan 19 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY TUESDAY MORNING...
TODAY East winds 20 to 25 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds.
TONIGHT East winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 7 seconds.
TUESDAY East winds 15 to 20 knots, becoming west southwest 10 to 15 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East 3 feet at 7 seconds.
TUESDAY NIGHT Winds variable less than 10 knots. Seas to 3 feet. Isolated showers after midnight.
WEDNESDAY Winds variable less than 10 knots, becoming northeast 7 to 10 knots in the afternoon. Seas to 2 feet or less. Isolated showers.
WEDNESDAY NIGHT Northeast winds 10 to 15 knots. Seas to 3 feet. Isolated showers after midnight.
THURSDAY Winds variable less than 10 knots, becoming east northeast 10 to 15 knots. Seas 3 to 4 feet. Scattered showers through the night. Isolated showers through the day.
FRIDAY East northeast winds 10 to 15 knots, rising to 15 to 20 knots in the evening, easing to 10 to 15 knots after midnight. Seas 3 to 4 feet. Isolated showers through the night. Scattered showers in the evening, then isolated showers after midnight.
Alenuihaha Channel- 307 AM HST Mon Jan 19 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY TUESDAY MORNING...
TODAY East winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers this morning.
TONIGHT East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds.
TUESDAY East winds 15 to 20 knots, becoming southeast 10 to 15 knots in the afternoon. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds and west northwest 3 feet at 14 seconds.
TUESDAY NIGHT North northeast winds 7 to 10 knots in the evening, becoming variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 7 seconds and west northwest 3 feet at 14 seconds.
WEDNESDAY East northeast winds to 10 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 7 seconds and west northwest 3 feet at 15 seconds.
WEDNESDAY NIGHT East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 7 seconds and west northwest 3 feet at 14 seconds. Isolated showers in the evening. Scattered showers after midnight.
THURSDAY Northeast winds 7 to 10 knots, becoming 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 3 feet at 6 seconds and west northwest 3 feet at 13 seconds. Scattered showers.
FRIDAY East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds and northwest 3 feet at 12 seconds. Scattered showers.
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