


Coastal Waters Forecast
Issued by NWS
Issued by NWS
563 FZHW51 PHFO 040139 CWFHI1 Generalized Statewide Coastal Waters Forecast for Hawaii National Weather Service Honolulu HI 338 PM HST Sun Aug 3 2025 .Synopsis for Hawaiian coastal waters... Surface high pressure far north of the area will drift east over the next several days. Trades will likely become disrupted as the remnants of former Tropical Cyclone Gil passes to the northeast of the state. $$ Hawaiian waters within 40 nautical miles including the channels- ...SMALL CRAFT ADVISORY THROUGH MONDAY AFTERNOON FOR MAALAEA BAY...THE PAILOLO AND ALENUIHAHA CHANNELS AND WATERS SOUTH OF THE BIG ISLAND... .TONIGHT...East northeast winds 20 to 25 knots. Seas 7 to 9 feet. Wave Detail: East 7 feet at 7 seconds and south 3 feet at 17 seconds. A slight chance of showers. .MONDAY...East winds 20 to 25 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 7 seconds and south 4 feet at 15 seconds. A slight chance of showers. .MONDAY NIGHT...East northeast winds 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: East 5 feet at 15 seconds and south 4 feet at 15 seconds. .TUESDAY...East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 5 feet at 13 seconds and south 4 feet at 14 seconds. .TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 6 to 8 feet. A slight chance of showers. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet. A slight chance of showers. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 5 to 6 feet. A chance of showers. .THURSDAY...to Kauai, east winds 7 to 10 knots, veering to east southeast 10 to 15 knots. Elsewhere, east winds 15 to 20 knots. Seas 5 to 8 feet. A chance of showers through the night, then a slight chance of showers through the day. .FRIDAY...East winds 15 to 20 knots. Seas 6 to 7 feet. A slight chance of showers. $$