776 FZHW50 PHFO 131311 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 311 AM HST Mon Apr 13 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. PHZ100-140145- 311 AM HST Mon Apr 13 2026 .Synopsis for Hawaiian coastal waters... A trough remains draped over the central coastal waters, extending from a low pressure system far north-northwest of the area. East of the trough, moderate to fresh southeasterly winds will prevail, while light to moderate southerly winds are expected to its west. Gentle to moderate trades return for the latter half of the week. $$ PHZ110-140145- Kauai Northwest Waters- 311 AM HST Mon Apr 13 2026 .TODAY...South southeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: Southeast 4 feet at 5 seconds and northwest 4 feet at 10 seconds. Showers likely, mainly this morning. .TONIGHT...South winds to 15 knots. Seas 4 to 6 feet. Wave Detail: Northwest 4 feet at 10 seconds and south southwest 3 feet at 4 seconds. Scattered showers. .TUESDAY...South southeast winds to 10 knots. Seas 4 to 6 feet. Wave Detail: South southwest 3 feet at 5 seconds, northwest 3 feet at 9 seconds and south 3 feet at 13 seconds. Scattered showers. .TUESDAY NIGHT...South southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Northwest 3 feet at 10 seconds and south 3 feet at 12 seconds. Scattered showers. .WEDNESDAY...South southeast winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Seas 4 to 5 feet. Wave Detail: Northwest 3 feet at 10 seconds. Scattered showers, mainly in the morning. .WEDNESDAY NIGHT...Winds variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: Northwest 3 feet at 9 seconds. Isolated showers in the evening. .THURSDAY...East winds 7 to 10 knots in the morning, becoming variable less than 10 knots, then becoming east 10 to 15 knots. Seas to 3 feet. Isolated showers through the day. .FRIDAY...East winds 7 to 10 knots, rising to 15 to 20 knots in the afternoon and evening, then becoming southeast 10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds. Isolated showers. $$ PHZ111-140145- Kauai Windward Waters- 311 AM HST Mon Apr 13 2026 .TODAY...South southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Northwest 4 feet at 10 seconds and southeast 3 feet at 5 seconds. Showers, mainly this morning. .TONIGHT...South southwest winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Northwest 4 feet at 10 seconds and south southeast 3 feet at 4 seconds. Scattered showers in the evening. Isolated showers after midnight. .TUESDAY...South southeast winds 7 to 10 knots. Seas 4 to 5 feet. Wave Detail: Northwest 3 feet at 9 seconds and south 3 feet at 13 seconds. Isolated showers in the morning, then scattered showers in the afternoon. .TUESDAY NIGHT...South southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Northwest 3 feet at 10 seconds and south 3 feet at 12 seconds. Scattered showers. .WEDNESDAY...East southeast winds 7 to 10 knots. Seas 4 to 5 feet. Wave Detail: Northwest 3 feet at 10 seconds and south 3 feet at 12 seconds. Scattered showers, mainly in the morning. .WEDNESDAY NIGHT...East southeast winds to 10 knots. Seas 3 to 4 feet. Wave Detail: Northwest 3 feet at 9 seconds. Isolated showers in the evening. .THURSDAY...East winds 7 to 10 knots. Seas to 3 feet. Isolated showers after midnight. .FRIDAY...East southeast winds 10 to 15 knots, backing to east in the afternoon and evening, veering to east southeast 7 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. $$ PHZ112-140145- Kauai Leeward Waters- 311 AM HST Mon Apr 13 2026 .TODAY...South southeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: Southeast 4 feet at 4 seconds and northwest 4 feet at 10 seconds. Showers, mainly this morning. .TONIGHT...South winds to 15 knots. Seas 3 to 5 feet. Wave Detail: South southeast 3 feet at 4 seconds, northwest 3 feet at 10 seconds and south 3 feet at 13 seconds. Scattered showers. .TUESDAY...South southeast winds to 10 knots. Seas 4 to 6 feet. Wave Detail: South 4 feet at 12 seconds, south southwest 3 feet at 4 seconds and northwest 3 feet at 9 seconds. Scattered showers. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: South 4 feet at 12 seconds and northwest 3 feet at 10 seconds. Scattered showers in the evening. Isolated showers after midnight. .WEDNESDAY...Southeast winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: Northwest 3 feet at 9 seconds and south 3 feet at 12 seconds. Isolated showers. .WEDNESDAY NIGHT...Winds variable less than 10 knots, becoming east 7 to 10 knots after midnight. In the Kaulakahi Channel, winds variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: South 3 feet at 12 seconds. .THURSDAY...East northeast winds 7 to 10 knots in the morning, becoming variable less than 10 knots, then becoming east northeast 7 to 10 knots. In the Kaulakahi Channel, east northeast winds 7 to 10 knots, becoming variable less than 10 knots, then becoming east southeast 7 to 10 knots after midnight. Seas to 3 feet. Isolated showers after midnight. .FRIDAY...East southeast winds 7 to 10 knots, backing to east 10 to 15 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 6 seconds. Isolated showers. $$ PHZ113-140145- Kauai Channel- 311 AM HST Mon Apr 13 2026 .TODAY...East southeast winds 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: North northwest 3 feet at 10 seconds. Showers, mainly this morning. .TONIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: North northwest 3 feet at 10 seconds and south 3 feet at 13 seconds. Scattered showers in the evening. Isolated showers after midnight. .TUESDAY...South southeast winds 7 to 10 knots. Seas 4 to 5 feet. Wave Detail: South 3 feet at 13 seconds. Isolated showers. .TUESDAY NIGHT...Winds variable less than 10 knots, becoming east southeast to 10 knots after midnight. Seas to 4 feet. Wave Detail: South 3 feet at 12 seconds. Isolated showers. .WEDNESDAY...East northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 12 seconds. Isolated showers in the morning. .WEDNESDAY NIGHT...East northeast winds 7 to 10 knots. Seas to 3 feet. .THURSDAY...East northeast winds 7 to 10 knots. Seas to 3 feet. .FRIDAY...East winds 7 to 10 knots, backing to northeast 10 to 15 knots in the evening, veering to east 7 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East northeast 3 feet at 6 seconds. $$ PHZ114-140145- Oahu Windward Waters- 311 AM HST Mon Apr 13 2026 .TODAY...East southeast winds 7 to 10 knots. Seas 4 to 5 feet. Wave Detail: Northwest 4 feet at 10 seconds. Showers, mainly this morning. .TONIGHT...South winds 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: Northwest 4 feet at 10 seconds. Scattered showers in the evening. Isolated showers after midnight. .TUESDAY...South southwest winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: Northwest 3 feet at 9 seconds. Isolated showers. .TUESDAY NIGHT...North winds 7 to 10 knots, veering to east after midnight. Seas 3 to 4 feet. Wave Detail: Northwest 3 feet at 10 seconds. Isolated showers. .WEDNESDAY...East winds to 10 knots. Seas 3 to 4 feet. Wave Detail: Northwest 3 feet at 10 seconds. Isolated showers in the morning. .WEDNESDAY NIGHT...East winds to 10 knots. Seas 3 to 4 feet. .THURSDAY...East winds to 10 knots. Seas to 3 feet. .FRIDAY...East southeast winds 10 to 15 knots, backing to east northeast 7 to 10 knots in the evening, veering to east 10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers after midnight. $$ PHZ115-140145- Oahu Leeward Waters- 311 AM HST Mon Apr 13 2026 .TODAY...East northeast winds 7 to 10 knots this morning, becoming variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: North northwest 3 feet at 10 seconds. Scattered showers. .TONIGHT...South winds 7 to 10 knots. Seas 3 to 4 feet. Isolated showers. .TUESDAY...Winds variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 13 seconds. Isolated showers in the morning. .TUESDAY NIGHT...North northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 12 seconds. .WEDNESDAY...East northeast winds 10 to 15 knots, becoming 7 to 10 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: South 3 feet at 12 seconds. .WEDNESDAY NIGHT...East northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 12 seconds. .THURSDAY...East northeast winds 7 to 10 knots in the morning, becoming variable less than 10 knots, then becoming east northeast 7 to 10 knots. Seas to 3 feet. .FRIDAY...East southeast winds 7 to 10 knots in the morning, becoming variable less than 10 knots, then becoming west 7 to 10 knots in the evening, veering to east to 10 knots. Seas to 3 feet. $$ PHZ116-140145- Kaiwi Channel- 311 AM HST Mon Apr 13 2026 .TODAY...East winds 7 to 10 knots this morning, becoming variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: Northwest 4 feet at 10 seconds. Scattered showers, mainly this morning. .TONIGHT...Winds variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: Northwest 3 feet at 10 seconds. Isolated showers in the evening. .TUESDAY...Winds variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: Northwest 3 feet at 9 seconds and south 3 feet at 13 seconds. .TUESDAY NIGHT...North northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 12 seconds. .WEDNESDAY...East northeast winds 10 to 15 knots, becoming 7 to 10 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: South 3 feet at 12 seconds. .WEDNESDAY NIGHT...East northeast winds to 10 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 12 seconds. .THURSDAY...East northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 13 seconds. .FRIDAY...East northeast winds 10 to 15 knots, veering to east 7 to 10 knots in the afternoon, veering to south in the evening, backing to northeast to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East northeast 3 feet at 5 seconds. $$ PHZ117-140145- Maui County Windward Waters- 311 AM HST Mon Apr 13 2026 .TODAY...East southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Northwest 4 feet at 10 seconds. Isolated showers. .TONIGHT...Southeast winds to 10 knots. Seas 3 to 4 feet. Wave Detail: Northwest 4 feet at 10 seconds. Isolated showers in the evening. .TUESDAY...East southeast winds to 10 knots. Seas 3 to 4 feet. Wave Detail: Northwest 3 feet at 9 seconds. .TUESDAY NIGHT...East winds to 10 knots. Seas 3 to 4 feet. Wave Detail: Northwest 3 feet at 11 seconds. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Northwest 3 feet at 10 seconds. .WEDNESDAY NIGHT...East southeast winds 10 to 15 knots. Seas to 3 feet. .THURSDAY...East winds 10 to 15 knots. Seas to 3 feet. .FRIDAY...East southeast winds to 15 knots, becoming east 7 to 10 knots after midnight. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds. $$ PHZ118-140145- Maui County Leeward Waters- 311 AM HST Mon Apr 13 2026 .TODAY...East southeast winds 10 to 15 knots, veering to south southwest 7 to 10 knots this afternoon. Seas to 3 feet. Isolated showers. .TONIGHT...Winds variable less than 10 knots. Seas to 3 feet. Wave Detail: South 3 feet at 13 seconds. .TUESDAY...Winds variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 13 seconds. .TUESDAY NIGHT...North northeast winds 7 to 10 knots, becoming 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave Detail: South 4 feet at 12 seconds. .WEDNESDAY...East winds 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: South 4 feet at 12 seconds. .WEDNESDAY NIGHT...East northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 12 seconds. .THURSDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 13 seconds. .FRIDAY...East winds 7 to 10 knots, veering to southeast in the evening, backing to northeast to 10 knots after midnight. Seas to 3 feet. $$ PHZ119-140145- Maalaea Bay- 311 AM HST Mon Apr 13 2026 .TODAY...Winds variable less than 10 knots. Seas to 2 feet or less. .TONIGHT...Winds variable less than 10 knots. Seas to 2 feet or less. .TUESDAY...Winds variable less than 10 knots. 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...Winds variable less than 10 knots. Seas to 2 feet or less. .THURSDAY...Winds variable less than 10 knots. Seas to 2 feet or less. .FRIDAY...Winds variable less than 10 knots, becoming north northeast 7 to 10 knots after midnight. Seas to 2 feet or less. $$ PHZ120-140145- Pailolo Channel- 311 AM HST Mon Apr 13 2026 .TODAY...East southeast winds 7 to 10 knots this morning, becoming variable less than 10 knots. Seas to 2 feet or less. Isolated showers this morning. .TONIGHT...Winds variable less than 10 knots. Seas to 2 feet or less. .TUESDAY...Winds variable less than 10 knots. Seas to 3 feet in the morning, then to 2 feet or less. .TUESDAY NIGHT...East northeast winds 7 to 10 knots. Seas to 2 feet or less, then to 3 feet after midnight. .WEDNESDAY...East northeast winds 7 to 10 knots. Seas to 3 feet. .WEDNESDAY NIGHT...East northeast winds 7 to 10 knots. Seas to 3 feet. .THURSDAY...East northeast winds 7 to 10 knots. Seas to 2 feet or less. .FRIDAY...East winds 7 to 10 knots. Seas to 2 feet or less. $$ PHZ121-140145- Alenuihaha Channel- 311 AM HST Mon Apr 13 2026 .TODAY...Southeast winds 10 to 15 knots, veering to west 7 to 10 knots this afternoon. Seas 3 to 4 feet. Isolated showers this morning. .TONIGHT...North northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 13 seconds. .TUESDAY...East northeast winds to 10 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 13 seconds. .TUESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: South 4 feet at 12 seconds. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: South 4 feet at 12 seconds and east 3 feet at 4 seconds. .WEDNESDAY NIGHT...East winds 10 to 15 knots, becoming east northeast 15 to 20 knots after midnight. Seas 3 to 4 feet. Wave Detail: East northeast 3 feet at 4 seconds and south 3 feet at 12 seconds. .THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East northeast 3 feet at 4 seconds and south 3 feet at 13 seconds. .FRIDAY...East winds 10 to 15 knots, becoming east northeast 15 to 20 knots in the evening, then becoming northeast 10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. $$ PHZ122-140145- Big Island Windward Waters- 311 AM HST Mon Apr 13 2026 .TODAY...East southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Northwest 4 feet at 10 seconds. .TONIGHT...East southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Northwest 3 feet at 10 seconds and south 3 feet at 14 seconds. .TUESDAY...East southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: South 4 feet at 13 seconds. .TUESDAY NIGHT...East winds to 10 knots. Seas 3 to 5 feet. Wave Detail: South 4 feet at 13 seconds. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: South 4 feet at 12 seconds. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: South 4 feet at 12 seconds. .THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 13 seconds. .FRIDAY...East southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Southeast 3 feet at 4 seconds. $$ PHZ123-140145- Big Island Leeward Waters- 311 AM HST Mon Apr 13 2026 .TODAY...West of the Big Island, north winds 7 to 10 knots, becoming 10 to 15 knots this afternoon. Near South Point, east winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 4 seconds. .TONIGHT...North northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 13 seconds. .TUESDAY...West of the Big Island, winds variable less than 10 knots, becoming west northwest 7 to 10 knots in the afternoon. Near South Point, east winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 13 seconds. .TUESDAY NIGHT...North northeast winds 10 to 15 knots, veering to southeast after midnight. Seas 3 to 4 feet. Wave Detail: South 3 feet at 12 seconds. .WEDNESDAY...Winds variable less than 10 knots west of the Big Island...East to 15 knots near South Point. Seas 3 to 4 feet. Wave Detail: South 3 feet at 12 seconds. .WEDNESDAY NIGHT...West of the Big Island, north northwest winds 7 to 10 knots in the evening, becoming variable less than 10 knots. Near South Point, east winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 12 seconds. .THURSDAY...West of the Big Island, winds variable less than 10 knots. Near South Point, east winds to 15 knots, becoming 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 4 seconds and south 3 feet at 13 seconds. .FRIDAY...West of the Big Island, winds variable less than 10 knots, becoming northwest to 10 knots in the afternoon, then becoming variable less than 10 knots. Near South Point, east winds to 15 knots. Seas 3 to 5 feet. $$ PHZ124-140145- Big Island Southeast Waters- 311 AM HST Mon Apr 13 2026 .TODAY...East northeast winds 10 to 15 knots. Seas to 3 feet. .TONIGHT...East northeast winds to 10 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 14 seconds. .TUESDAY...East winds to 10 knots. Seas 3 to 5 feet. Wave Detail: South 4 feet at 13 seconds. .TUESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: South 4 feet at 13 seconds. .WEDNESDAY...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: South 4 feet at 12 seconds and east southeast 3 feet at 4 seconds. .WEDNESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: South 4 feet at 12 seconds and east southeast 3 feet at 4 seconds. .THURSDAY...East northeast winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East 3 feet at 4 seconds and south 3 feet at 13 seconds. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 4 seconds. $$