


Coastal Waters Forecast
Issued by NWS
Issued by NWS
009 FZHW51 PHFO 091331 CWFHI1 Generalized Statewide Coastal Waters Forecast for Hawaii National Weather Service Honolulu HI 331 AM HST Thu Oct 9 2025 .Synopsis for Hawaiian coastal waters... A surface trough over the western coastal waters will continue to drift northwest through the end of the week. High pressure will build far northeast of the waters this weekend before a potential surface trough develops north of the waters early next week. $$ Hawaiian waters within 40 nautical miles including the channels- .TODAY...South winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: North 3 feet at 9 seconds. Scattered showers. .TONIGHT...Southeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: North northeast 3 feet at 9 seconds. Isolated showers. .FRIDAY...East southeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: North northeast 3 feet at 9 seconds. Isolated showers. .FRIDAY NIGHT...winds variable less than 10 knots. Seas 4 to 6 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .SATURDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Isolated showers. .SATURDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Scattered showers. .SUNDAY...East northeast winds 15 to 20 knots, easing to 10 to 15 knots. Seas 4 to 6 feet, building to 6 to 7 feet. Scattered showers. .MONDAY...East winds 10 to 15 knots. Seas 6 to 8 feet. Scattered showers. $$