


Coastal Waters Forecast
Issued by NWS
Issued by NWS
260 FZHW51 PHFO 010112 CWFHI1 Generalized Statewide Coastal Waters Forecast for Hawaii National Weather Service Honolulu HI 312 PM HST Tue Sep 30 2025 .Synopsis for Hawaiian coastal waters... High pressure centered north of the Hawaiian Islands will produce moderate to locally fresh trade winds through much of the week. However, winds will briefly weaken and veer ESE Thursday into Friday as a low forms far north of Hawaii and disrupts the ridge. $$ Hawaiian waters within 40 nautical miles including the channels- .TONIGHT...East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: North northeast 4 feet at 8 seconds and east 4 feet at 11 seconds. Isolated showers. .WEDNESDAY...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 4 feet at 6 seconds and north northeast 3 feet at 10 seconds. Scattered showers. .WEDNESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 5 seconds and north northeast 3 feet at 9 seconds. Scattered showers. .THURSDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East northeast 4 feet at 6 seconds. Isolated showers. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. Scattered showers. .FRIDAY...East southeast winds 10 to 15 knots. Seas 3 to 5 feet. Isolated showers. .FRIDAY NIGHT...East southeast winds 10 to 15 knots. Seas 3 to 5 feet. Scattered showers. .SATURDAY...East winds 15 to 20 knots. Seas 5 to 7 feet. Isolated showers. .SUNDAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Isolated showers through the night, then scattered showers through the day. $$