Coastal Waters Forecast
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
064 FZMY50 PGUM 201803 CWFGUM Coastal Waters Forecast for the Mariana Islands National Weather Service Tiyan GU 403 AM ChST Sun Jul 21 2024 Marianas Waters out to 40 nautical miles PMZ150-210800- 403 AM ChST Sun Jul 21 2024 .Synopsis for Marianas Waters...A disturbance labeled as Invest 93W is approaching the Marianas. Clouds and showers will gradually increase today through this evening. Gusty winds to 30 knots and choppy seas are expected as Invest 93W crosses the Marianas waters. $$ PMZ151>154-210800- MARIANAS COASTAL WATERS- 403 AM ChST Sun Jul 21 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE THIS MORNING THROUGH LATE THIS AFTERNOON... .TODAY...East wind 10 to 20 kt with gusts to 30 kt. Wind waves 3 to 5 ft. East swell 4 to 6 ft. Scattered showers and isolated thunderstorms developing. .TONIGHT...East wind 10 to 20 kt with gusts to 30 kt. Wind waves 3 to 5 ft. East swell 4 to 6 ft. Scattered showers and isolated thunderstorms. .MONDAY...East wind 10 to 15 kt. Wind waves 2 to 3 ft. East swell 5 ft. Scattered showers and isolated thunderstorms. .MONDAY NIGHT...Northeast wind 10 to 15 kt. Wind waves 2 to 3 ft. East swell 4 to 5 ft. Scattered showers and isolated thunderstorms. .TUESDAY AND WEDNESDAY...East wind 5 to 15 kt. Wind waves 1 to 3 ft. Mixed swell east 4 ft and west 2 to 3 ft. Chance of showers and slight chance of thunderstorms. .THURSDAY...Southeast wind 10 to 15 kt. Wind waves 2 to 3 ft. Mixed swell east 4 to 5 ft and west 3 ft. Chance of showers and slight chance of thunderstorms. $$ Simpson