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Coastal Waters Forecast
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
439 FZMY50 PGUM 261858 CWFGUM Coastal Waters Forecast for the Mariana Islands National Weather Service Tiyan GU 458 AM ChST Thu Jun 27 2024 Marianas Waters out to 40 nautical miles PMZ150-270830- 458 AM ChST Thu Jun 27 2024 .Synopsis for Marianas Waters...Moderate to fresh trade winds will continue today before subsiding tonight, eventually becoming gentle to moderate over the weekend. 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 beginning Friday night. $$ PMZ151>154-270830- MARIANAS COASTAL WATERS- 458 AM ChST Thu Jun 27 2024 .TODAY...East wind 15 kt with gusts to 25 kt. Wind waves 3 ft. East swell 5 to 6 ft. .TONIGHT AND FRIDAY...East wind 15 kt. Wind waves 3 ft. East swell 5 to 6 ft. .FRIDAY NIGHT AND SATURDAY...East wind 10 to 15 kt. Wind waves 2 to 3 ft. East swell 4 to 6 ft. Isolated thunderstorms. .SUNDAY AND MONDAY...East wind 10 to 15 kt. Wind waves 2 to 3 ft. East swell 4 to 5 ft. Slight chance of thunderstorms. Chance of showers Monday. $$