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Coastal Waters Forecast
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
084 FZMY50 PGUM 300545 CWFGUM Coastal Waters Forecast for the Mariana Islands National Weather Service Tiyan GU 345 PM ChST Sun Jun 30 2024 Marianas Waters out to 40 nautical miles PMZ150-302130- 345 PM ChST Sun Jun 30 2024 .Synopsis for Marianas Waters...Gentle to moderate trade winds and combined seas of 3 to 5 feet will continue this week. Some gusty winds and choppy seas are possible at times through the week near heavier showers and thunderstorms, especially over Guam and Rota waters, as a couple of disturbances pass near to south of the Marianas. $$ PMZ151-152-302130- Guam Coastal Waters-Rota Coastal Waters- 345 PM ChST Sun Jun 30 2024 .TONIGHT...East wind 10 to 15 kt. Wind waves 2 to 3 ft. East swell 4 ft. Scattered showers and slight chance of thunderstorms. .MONDAY...East wind 10 to 15 kt. Wind waves 2 to 3 ft. East swell 3 to 4 ft. Scattered showers and slight chance of thunderstorms. .MONDAY NIGHT...East wind 10 to 15 kt. Wind waves 2 to 3 ft. East swell 3 to 4 ft. Scattered showers Guam waters. .TUESDAY...East wind 10 to 15 kt. Wind waves 2 to 3 ft. East swell 3 to 4 ft. Scattered showers. Isolated thunderstorms Guam waters. .TUESDAY NIGHT...East wind 10 to 15 kt. Wind waves 2 to 3. East swell 3 to 4 ft. Scattered showers Guam waters. .WEDNESDAY THROUGH FRIDAY...East wind 10 kt. Wind waves 2 ft or less. East swell 4 ft. Chance of showers and slight chance of thunderstorms. $$ PMZ153-154-302130- Tinian Coastal Waters-Saipan Coastal Waters- 345 PM ChST Sun Jun 30 2024 .TONIGHT...East wind 10 to 15 kt. Wind waves 2 to 3 ft or less. East swell 4 to 5 ft. Scattered showers and slight chance of thunderstorms. .MONDAY THROUGH TUESDAY NIGHT...East wind 10 to 15 kt. Wind waves 2 to 3 ft. East swell 3 to 4 ft. .WEDNESDAY THROUGH FRIDAY...East wind 10 kt. Wind waves 2 ft or less. East swell 4 to 5 ft. Slight chance of thunderstorms. $$