Coastal Waters Forecast
Issued by NWS
Issued by NWS
891 FZHW51 PHFO 191342 CWFHI1 Generalized Statewide Coastal Waters Forecast for Hawaii National Weather Service Honolulu HI 342 AM HST Sun Jan 19 2025 .Synopsis for Hawaiian coastal waters... A high pressure system passing just north of the Hawaiian Islands will keep gentle to fresh trade winds in the forecast into Monday. A shallow cold front approaching and then moving into the islands on Tuesday and Wednesday will produce more variable winds along and east of the frontal band. Northwesterly winds will build in behind the front as it passes through each island. $$ Hawaiian waters within 40 nautical miles including the channels- ...SMALL CRAFT ADVISORY... .TODAY THROUGH MONDAY...East northeast winds 20 to 25 knots. Seas 8 to 10 feet. Wave Detail: Northwest 6 to 8 feet at 12 to 14 seconds and east northeast 5 feet at 5 to 6 seconds. .MONDAY NIGHT AND TUESDAY...Northeast winds 10 to 20 knots. Seas 5 to 7 feet. Wave Detail: Northwest 5 feet at 12 seconds and east northeast 4 feet at 5 seconds. Isolated showers. .TUESDAY NIGHT AND WEDNESDAY...Variable 5 to 15 knots, becoming northwest 5 to 15 knots by Wednesday afternoon. Seas 6 to 9 feet. Isolated to scattered showers. A slight chance of thunderstorms on Wednesday near Kauai and Oahu. .THURSDAY...West winds 15 to 20 knots, becoming west southwest 10 to 15 knots. Seas 6 to 9 feet. Scattered showers. A slight chance of thunderstorms near Molokai Lanai Maui and the Big Island. Winds and seas higher in and near tstms. $$