


Coastal Waters Forecast
Issued by NWS
Issued by NWS
855 FZHW51 PHFO 101315 CWFHI1 Generalized Statewide Coastal Waters Forecast for Hawaii National Weather Service Honolulu HI 315 AM HST Fri Oct 10 2025 .Synopsis for Hawaiian coastal waters... A troughing pattern will continue to weaken trade winds near Hawaiian waters into early next week. An upper level disturbance lingering north of the island chain will bring periods of enhanced showers through the weekend. Weaker trade wind speeds will allow for daytime onshore sea breezes to continue along nearshore leeward coastal waters lasting into Saturday. Long range guidance shows increasing southeasterly winds by the middle of next week in an unstable weather pattern with the potential for increasing shower coverage and thunderstorms. $$ Hawaiian waters within 40 nautical miles including the channels- .TODAY...Southeast winds 7 to 10 knots to Kauai...east southeast 15 to 20 knots elsewhere. Seas 4 to 5 feet. Wave Detail: North northeast 3 feet at 9 seconds and south southwest 3 feet at 12 seconds. Isolated showers. .TONIGHT...East winds 7 to 10 knots to Kauai...east 15 to 20 knots elsewhere. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .SATURDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: North northwest 3 feet at 14 seconds and east 3 feet at 15 seconds. Isolated showers. .SATURDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 14 seconds and north northwest 3 feet at 12 seconds. Isolated showers. .SUNDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Isolated showers. .SUNDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet. Scattered showers. .MONDAY...East winds 10 to 15 knots, rising to 15 to 20 knots. Seas 5 to 8 feet. Scattered showers. .TUESDAY...East southeast winds 15 to 20 knots. Seas 6 to 8 feet. Scattered showers. $$