


Coastal Waters Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
301 FZHW50 PHFO 171331 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 330 AM HST Sat May 17 2025 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. PHZ100-180200- 330 AM HST Sat May 17 2025 .Synopsis for Hawaiian coastal waters... Strong high pressure will remain anchored northeast of the state through early next week. A developing trough to the distant northwest is expected to ease the trades tonight into early next week. $$ PHZ110-180200- Kauai Northwest Waters- 331 AM HST Sat May 17 2025 .TODAY...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 7 seconds. Hazy. Isolated showers this morning. Scattered showers this afternoon. .TONIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 8 seconds. Hazy in the evening. Isolated showers. .SUNDAY...East southeast winds 10 to 15 knots, becoming east 15 to 20 knots in the afternoon. Seas to 5 feet. Wave Detail: East 5 feet at 8 seconds. Isolated showers in the morning. .SUNDAY NIGHT...East winds to 15 knots. Seas to 5 feet. Wave Detail: East 5 feet at 8 seconds. Isolated showers. .MONDAY...East winds to 15 knots. Seas to 5 feet. Wave Detail: East 5 feet at 8 seconds. Isolated showers in the morning. .MONDAY NIGHT...East winds 15 to 20 knots. Seas to 5 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers in the evening. Scattered showers after midnight. .TUESDAY...East northeast winds 15 to 20 knots. Seas to 5 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers through the day. .WEDNESDAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers in the morning. Scattered showers through the day. $$ PHZ111-180200- Kauai Windward Waters- 331 AM HST Sat May 17 2025 .TODAY...East winds 10 to 15 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 7 seconds and northwest 3 feet at 10 seconds. Hazy. Isolated showers. .TONIGHT...East southeast winds 15 to 20 knots. Seas to 6 feet. Wave Detail: East 6 feet at 8 seconds. Hazy in the evening. Scattered showers, mainly in the evening. .SUNDAY...East winds to 15 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 8 seconds. Isolated showers in the morning. .SUNDAY NIGHT...East winds to 15 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 8 seconds. Isolated showers in the evening, then scattered showers after midnight. .MONDAY...East winds to 15 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 7 seconds. Isolated showers. .MONDAY NIGHT...East winds to 15 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 7 seconds. Scattered showers. .TUESDAY...East northeast winds to 15 knots. Seas to 5 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers in the morning. Scattered showers through the day. .WEDNESDAY...East northeast winds to 15 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 7 seconds. Isolated showers through the night, then scattered showers through the day. $$ PHZ112-180200- Kauai Leeward Waters- 331 AM HST Sat May 17 2025 .TODAY...East winds 15 to 20 knots, becoming east southeast 10 to 15 knots this afternoon. Seas 5 to 6 feet. Wave Detail: East 5 feet at 7 seconds. Hazy. Scattered showers. .TONIGHT...East southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. Hazy. Scattered showers in the evening. Isolated showers after midnight. .SUNDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds. Isolated showers in the morning. Hazy. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. Hazy. Isolated showers. .MONDAY...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. Hazy. Isolated showers in the afternoon. .MONDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 7 seconds. Isolated showers. .TUESDAY...East northeast winds 15 to 20 knots. In the Kaulakahi Channel, east northeast winds 15 to 20 knots, easing to 7 to 10 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 7 seconds. Isolated showers. .WEDNESDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at 6 seconds. Isolated showers in the afternoon. Scattered showers through the day. $$ PHZ113-180200- Kauai Channel- 331 AM HST Sat May 17 2025 .TODAY...East winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 7 seconds. Hazy. Scattered showers. .TONIGHT...East northeast winds 10 to 15 knots, becoming east 15 to 20 knots after midnight. Seas 4 to 6 feet. Wave Detail: East 5 feet at 7 seconds. Hazy. Scattered showers. .SUNDAY...East winds 10 to 15 knots, rising to 15 to 20 knots in the afternoon. Seas 4 to 5 feet. Wave Detail: East 5 feet at 8 seconds. Hazy. Isolated showers in the afternoon. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. Hazy. Scattered showers in the evening. Isolated showers after midnight. .MONDAY...East northeast winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. Hazy. Isolated showers in the afternoon. .MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 7 seconds. Isolated showers. .TUESDAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East northeast 6 feet at 6 seconds. Isolated showers through the day. .WEDNESDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East northeast 6 feet at 6 seconds. Isolated showers through the night. Scattered showers after midnight. $$ PHZ114-180200- Oahu Windward Waters- 331 AM HST Sat May 17 2025 .TODAY...East winds to 15 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 7 seconds and northwest 3 feet at 10 seconds. Scattered showers this afternoon. .TONIGHT...East southeast winds 15 to 20 knots. Seas to 6 feet. Wave Detail: East 6 feet at 8 seconds. Isolated showers. .SUNDAY...East winds 15 to 20 knots. Seas to 6 feet. Wave Detail: East 6 feet at 8 seconds. .SUNDAY NIGHT...East winds to 15 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 7 seconds. Isolated showers. .MONDAY...East winds to 15 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 7 seconds. Isolated showers in the morning. .MONDAY NIGHT...East winds to 15 knots. Seas to 6 feet. Wave Detail: East 6 feet at 7 seconds. Isolated showers. .TUESDAY...East northeast winds to 15 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 7 seconds. Isolated showers through the day. .WEDNESDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at 7 seconds. Isolated showers in the morning. Scattered showers through the day. $$ PHZ115-180200- Oahu Leeward Waters- 331 AM HST Sat May 17 2025 .TODAY...East southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Southeast 5 feet at 7 seconds. Hazy. Scattered showers. .TONIGHT...East northeast winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East 4 feet at 7 seconds. Hazy. Scattered showers in the evening. Isolated showers after midnight. .SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 7 seconds. Hazy. Isolated showers in the afternoon. .SUNDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 7 seconds. Hazy. Isolated showers. .MONDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 5 feet at 7 seconds. Hazy. .MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 5 feet at 7 seconds. Isolated showers. .TUESDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers through the day. .WEDNESDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers through the night. Scattered showers after midnight. $$ PHZ116-180200- Kaiwi Channel- 331 AM HST Sat May 17 2025 .TODAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at 7 seconds. Hazy this morning. Isolated showers this morning. Scattered showers this afternoon. .TONIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at 8 seconds. Scattered showers in the evening. .SUNDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at 7 seconds. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at 7 seconds. .MONDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at 7 seconds. .MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at 7 seconds. .TUESDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers after midnight. .WEDNESDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers through the day. $$ PHZ117-180200- Maui County Windward Waters- 331 AM HST Sat May 17 2025 .TODAY...East southeast winds to 20 knots. Seas 6 to 7 feet. Wave Detail: East 7 feet at 7 seconds and northwest 3 feet at 10 seconds. Scattered showers this morning. Isolated showers this afternoon. .TONIGHT...East southeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 7 feet at 7 seconds. Isolated showers. .SUNDAY...East winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 7 seconds. Isolated showers in the morning. .SUNDAY NIGHT...East winds to 15 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 7 seconds. Isolated showers. .MONDAY...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 7 seconds. Isolated showers. .MONDAY NIGHT...East winds to 15 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 7 seconds. Scattered showers. .TUESDAY...East winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 7 seconds. Isolated showers in the morning. Scattered showers through the day. .WEDNESDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers through the night. Scattered showers through the day. $$ PHZ118-180200- Maui County Leeward Waters- 331 AM HST Sat May 17 2025 .TODAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East southeast 5 feet at 7 seconds. Hazy this morning. Isolated showers. .TONIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds. Scattered showers in the evening. Isolated showers after midnight. .SUNDAY...East winds 15 to 20 knots, becoming east southeast 10 to 15 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds. .SUNDAY NIGHT...East winds 10 to 15 knots, backing to east northeast 7 to 10 knots after midnight. Seas 3 to 5 feet. Wave Detail: East southeast 5 feet at 7 seconds. Isolated showers in the evening. .MONDAY...Northeast winds 7 to 10 knots, veering to east northeast 10 to 15 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: East southeast 5 feet at 7 seconds. .MONDAY NIGHT...East northeast winds 10 to 15 knots, backing to northeast 7 to 10 knots after midnight. Seas 4 to 6 feet. Wave Detail: East southeast 5 feet at 7 seconds. .TUESDAY...East northeast winds 10 to 15 knots, backing to northeast 7 to 10 knots after midnight. Seas 3 to 5 feet. Wave Detail: East southeast 5 feet at 7 seconds. Isolated showers in the evening. .WEDNESDAY...East northeast winds 7 to 10 knots, becoming 10 to 15 knots in the afternoon and evening, then becoming 7 to 10 knots after midnight. Seas 3 to 5 feet. Wave Detail: East southeast 5 feet at 6 seconds. Isolated showers through the day. $$ PHZ119-180200- Maalaea Bay- 331 AM HST Sat May 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON... .TODAY...North winds 20 to 25 knots. Seas to 2 feet or less. Wave Detail: South southeast 2 feet at 3 seconds. .TONIGHT...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 20 knots. Seas to 2 feet or less. .MONDAY...North winds to 20 knots. Seas to 2 feet or less. .MONDAY NIGHT...North winds 15 to 20 knots. Seas to 2 feet or less. .TUESDAY...North winds to 20 knots. Seas to 2 feet or less. .WEDNESDAY...North winds to 20 knots, becoming north northeast in the afternoon, then becoming north. Seas to 2 feet or less. $$ PHZ120-180200- Pailolo Channel- 331 AM HST Sat May 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON... .TODAY...East winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds. Scattered showers this afternoon. .TONIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds. .SUNDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 4 seconds. .SUNDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 4 seconds. .MONDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 4 seconds. .MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 5 seconds. .TUESDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 4 seconds. Isolated showers after midnight. .WEDNESDAY...East northeast winds 15 to 20 knots, rising to 20 to 25 knots in the afternoon, easing to 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 4 seconds. Isolated showers through the day. $$ PHZ121-180200- Alenuihaha Channel- 331 AM HST Sat May 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON... .TODAY...East winds 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East 7 feet at 6 seconds. Hazy. Isolated showers this morning. Scattered showers this afternoon. .TONIGHT...East northeast winds to 20 knots. Seas 5 to 7 feet. Wave Detail: East 7 feet at 7 seconds. Hazy. Isolated showers in the evening. Scattered showers after midnight. .SUNDAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East northeast 6 feet at 6 seconds. Hazy. .SUNDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East northeast 7 feet at 6 seconds. Hazy. Isolated showers. .MONDAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East northeast 7 feet at 6 seconds. Hazy. .MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 5 to 8 feet. Wave Detail: East 8 feet at 6 seconds. Isolated showers in the evening. Scattered showers after midnight. .TUESDAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 7 feet at 6 seconds. Isolated showers in the afternoon. Scattered showers through the day. .WEDNESDAY...East northeast winds 15 to 20 knots, rising to 20 to 25 knots in the afternoon, easing to 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at 6 seconds. Isolated showers through the night. Scattered showers through the day. $$ PHZ122-180200- Big Island Windward Waters- 331 AM HST Sat May 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON... .TODAY...East southeast winds 25 to 30 knots, easing to 20 to 25 knots this afternoon. Seas 5 to 7 feet. Wave Detail: East 6 feet at 8 seconds. Scattered showers. .TONIGHT...East southeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at 8 seconds. Scattered showers. .SUNDAY...East southeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 8 seconds. Isolated showers in the morning. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 8 seconds. Isolated showers. .MONDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 8 seconds. Isolated showers. .MONDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 8 seconds. Isolated showers. .TUESDAY...East winds 10 to 15 knots, becoming east northeast 15 to 20 knots in the afternoon, easing to 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 8 seconds. Isolated showers through the night, then scattered showers through the day. .WEDNESDAY...East winds 10 to 15 knots, rising to 15 to 20 knots in the afternoon and evening, easing to 10 to 15 knots after midnight. Seas 4 to 5 feet. Wave Detail: East 5 feet at 8 seconds. Isolated showers through the night, then scattered showers through the day. $$ PHZ123-180200- Big Island Leeward Waters- 331 AM HST Sat May 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON... .TODAY...West of the Big Island, west southwest winds 7 to 10 knots, veering to north northwest 10 to 15 knots this afternoon. Near South Point, east winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East southeast 6 feet at 6 seconds. Hazy. Isolated showers. .TONIGHT...West of the Big Island, west southwest winds 10 to 15 knots, backing to east after midnight. Near South Point, east winds to 20 knots. Seas 3 to 5 feet. Wave Detail: East northeast 5 feet at 6 seconds. Hazy. Isolated showers. .SUNDAY...West of the Big Island, north northwest winds 7 to 10 knots, backing to west southwest 10 to 15 knots in the afternoon. Near South Point, east winds to 20 knots. Seas 4 to 6 feet. Wave Detail: East southeast 5 feet at 5 seconds. Hazy. Isolated showers. .SUNDAY NIGHT...West of the Big Island, winds variable less than 10 knots. Near South Point, east winds 15 to 20 knots, backing to east northeast after midnight. Seas 4 to 6 feet. Wave Detail: East southeast 6 feet at 6 seconds. Hazy. Isolated showers in the evening. Scattered showers after midnight. .MONDAY...West of the Big Island, winds variable less than 10 knots, becoming west 7 to 10 knots in the afternoon. Near South Point, east winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East southeast 6 feet at 6 seconds. Hazy. Scattered showers. .MONDAY NIGHT...West of the Big Island, winds variable less than 10 knots. Near South Point, east winds 15 to 20 knots, backing to east northeast after midnight. Seas 4 to 6 feet. Wave Detail: East 6 feet at 6 seconds. Scattered showers. .TUESDAY...Winds variable less than 10 knots west of the Big Island...East 15 to 20 knots near South Point. Seas 4 to 6 feet. Wave Detail: East 6 feet at 6 seconds. Scattered showers. .WEDNESDAY...West of the Big Island, winds variable less than 10 knots. Near South Point, east winds to 15 knots, becoming 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at 6 seconds. Isolated showers in the morning, then scattered showers. $$ PHZ124-180200- Big Island Southeast Waters- 331 AM HST Sat May 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON... .TODAY...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers. .TONIGHT...East winds 15 to 20 knots. Seas to 5 feet. Wave Detail: East 5 feet at 8 seconds. Isolated showers in the evening. Scattered showers after midnight. .SUNDAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 8 seconds. Scattered showers in the morning. Isolated showers in the afternoon. .SUNDAY NIGHT...East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 8 seconds. Isolated showers. .MONDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at 8 seconds. Isolated showers in the morning. .MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 6 seconds. Isolated showers. .TUESDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at 6 seconds. Isolated showers through the day. .WEDNESDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at 5 seconds. Isolated showers in the morning. Isolated showers through the day. $$