Coastal Waters Forecast
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
365 FZMY50 PGUM 270623 CWFGUM Coastal Waters Forecast for the Mariana Islands National Weather Service Tiyan GU 423 PM ChST Thu Jun 27 2024 Marianas Waters out to 40 nautical miles PMZ150-272100- 423 PM ChST Thu Jun 27 2024 .Synopsis for Marianas Waters...Gentle to moderate trade winds will continue through the beginning of next week. Combined seas of 4 to 6 feet will diminish to between 4 and 5 feet over the weekend. An upper-level low to the north will provide a slight chance of thunderstorms Saturday and Saturday night. Passing troughs will produce scattered showers for Guam and Rota Saturday through Sunday night and for Tinian and Saipan Saturday and Saturday night. $$ PMZ151-152-272100- Guam Coastal Waters-Rota Coastal Waters- 423 PM ChST Thu Jun 27 2024 .TONIGHT...Northeast wind 15 kt. Wind waves 3 ft. East swell 5 to 6 ft. .FRIDAY AND FRIDAY NIGHT...East wind 10 to 15 kt. Wind waves 2 to 3 ft. East swell 4 to 5 ft. .SATURDAY AND SATURDAY NIGHT...East wind 10 to 15 kt. Wind waves 2 to 3 ft. East swell 4 to 5 ft. Scattered showers and slight chance of thunderstorms. .SUNDAY...East wind 10 kt. Wind waves 2 ft or less. East swell 4 to 5 ft. Chance of showers. .MONDAY AND TUESDAY...East wind 10 to 15 kt. Wind waves 2 to 3 ft. East swell 3 to 4 ft. Slight chance of thunderstorms. $$ PMZ153-154-272100- Tinian Coastal Waters-Saipan Coastal Waters- 423 PM ChST Thu Jun 27 2024 .TONIGHT...East wind 15 kt. Wind waves 3 ft. East swell 4 to 5 ft. .FRIDAY AND FRIDAY NIGHT...East wind 10 to 15 kt. Wind waves 2 to 3 ft. East swell 4 to 5 ft. .SATURDAY AND SATURDAY NIGHT...East wind 10 to 15 kt. Wind waves 2 to 3 ft. East swell 4 to 5 ft. Scattered showers and slight chance of thunderstorms. .SUNDAY...East wind 10 to 15 kt. Wind waves 2 to 3 ft. East swell 4 to 5 ft. .MONDAY AND TUESDAY...East wind 10 to 15 kt. Wind waves 2 to 3 ft. East swell 3 to 4 ft. Slight chance of thunderstorms. $$