


Coastal Waters Forecast
Issued by NWS
Issued by NWS
087 FZHW51 PHFO 071401 CWFHI1 Generalized Statewide Coastal Waters Forecast for Hawaii National Weather Service Honolulu HI 400 AM HST Tue Oct 7 2025 .Synopsis for Hawaiian coastal waters... A surface trough will slowly drift west over the coastal waters through the end of this week. This should help weaken the trades and veer flow out of the south or southeast. By this weekend, high pressure will build far northeast of the state and bring a return to more typical easterly trades. $$ Hawaiian waters within 40 nautical miles including the channels- .TODAY...East southeast winds 7 to 10 knots. Seas to 3 feet. Wave Detail: North northwest 3 feet at 12 seconds. Scattered showers. .TONIGHT...winds variable less than 10 knots to Kauai...south southeast 10 to 15 knots elsewhere. Seas to 3 feet. Scattered showers. .WEDNESDAY...winds variable less than 10 knots to Kauai...south 10 to 15 knots elsewhere. Seas to 3 feet. Scattered showers. .WEDNESDAY NIGHT...South southeast winds 7 to 10 knots. Seas to 3 feet. Scattered showers. .THURSDAY...South southeast winds 10 to 15 knots. Seas 3 to 4 feet. Isolated showers. .THURSDAY NIGHT...East southeast winds 10 to 15 knots. Seas 3 to 4 feet. Isolated showers. .FRIDAY...to Kauai, east southeast winds 7 to 10 knots. Elsewhere, east winds 10 to 15 knots, rising to 15 to 20 knots. Seas 3 to 4 feet. Isolated showers. .SATURDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet, building to 5 to 6 feet. Isolated showers through the night, then scattered showers through the day. $$