


Coastal Waters Forecast
Issued by NWS
Issued by NWS
791 FZHW51 PHFO 200111 CWFHI1 Generalized Statewide Coastal Waters Forecast for Hawaii National Weather Service Honolulu HI 311 PM HST Sat Apr 19 2025 .Synopsis for Hawaiian coastal waters... High pressure far northeast of the area will hold into Monday producing moderate easterly trade winds. A low will develop northwest of the state during the first half of next week shifting winds out of the south. The low will also bring an increase in probability of thunderstorms for the western waters. $$ Hawaiian waters within 40 nautical miles including the channels- .TONIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 7 seconds and north 3 feet at 11 seconds. Scattered showers. .SUNDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 7 seconds and north 3 feet at 10 seconds. Scattered showers. .SUNDAY NIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: North 3 feet at 10 seconds. Scattered showers. .MONDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: North 3 feet at 13 seconds. Scattered showers. .MONDAY NIGHT...East southeast winds 10 to 15 knots. Seas 4 to 5 feet. Scattered showers. .TUESDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Scattered showers with a slight chance of thunderstorms. .TUESDAY NIGHT...South southeast winds to 10 knots to Kauai... southeast 15 to 20 knots elsewhere. Seas 4 to 5 feet. Scattered showers with a slight chance of thunderstorms. .WEDNESDAY...Southeast winds 15 to 20 knots. Seas 4 to 6 feet. Scattered showers with a slight chance of thunderstorms. .THURSDAY...Southeast winds 15 to 20 knots. Seas 5 to 6 feet. Scattered showers through the night, then isolated showers through the day. Winds and seas higher in and near tstms. $$