Coastal Waters Forecast
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
721 FZMY50 PGUM 210648 CWFGUM Coastal Waters Forecast for the Mariana Islands National Weather Service Tiyan GU 448 PM ChST Fri Jun 21 2024 Marianas Waters out to 40 nautical miles PMZ150-212145- 448 PM ChST Fri Jun 21 2024 .Synopsis for Marianas Waters... Gentle to moderate winds expected through the weekend with combined seas of 3 to 5 feet. Some fresh to strong gusts possible near heavier showers in the Rota waters through tonight and in the Guam waters through tomorrow. Winds increase to moderate to fresh and seas bump up to 5 to 7 feet beginning late Sunday night or Monday and continue through at least the middle of next week as a surge in trade winds and trade swell push through. $$ PMZ151-212145- Guam Coastal Waters- 448 PM ChST Fri Jun 21 2024 .TONIGHT...East wind 10 to 15 kt. Gusts up to 25 kt near heavier showers. Wind waves 2 to 4 ft. East swell 3 to 4 ft. Scattered showers and isolated thunderstorms. .SATURDAY...East wind 10 to 15 kt. Gusts up to 25 kt near heavier showers. Wind waves 2 to 3 ft. East swell 3 to 4 ft. Scattered showers southern waters. Isolated thunderstorms. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...East wind 10 to 15 kt. Wind waves 2 to 3 ft. East swell 3 to 4 ft. .SUNDAY...East wind 10 to 15 kt. Wind waves 2 to 3 ft. East swell 3 ft. .MONDAY...East wind 15 kt. Wind waves 3 ft. East swell 4 to 6 ft. Chance of showers and slight chance of thunderstorms. .TUESDAY...East wind 15 to 20 kt. Wind waves 3 to 4 ft. East swell 5 to 6 ft. .WEDNESDAY...East wind 15 kt. Wind waves 3 ft. East swell 5 to 6 ft. Chance of showers and slight chance of thunderstorms. $$ PMZ152>154-212145- Rota Coastal Waters-Tinian Coastal Waters-Saipan Coastal Waters- 448 PM ChST Fri Jun 21 2024 .TONIGHT...East wind 10 to 15 kt. Wind waves 2 to 4 ft. East swell 3 to 4 ft. Scattered showers with gusts up to 25 kt Rota waters. .SATURDAY THROUGH SUNDAY NIGHT...East wind 10 to 15 kt. Wind waves 2 to 3 ft. East swell 3 to 4 ft, increasing to 4 to 5 ft Sunday night. .MONDAY THROUGH WEDNESDAY...East wind 15 to 20 kt. Wind waves 3 to 4 ft ft. East swell 4 to 6 ft. $$