Coastal Waters Forecast
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
547 FZMY50 PGUM 191702 CWFGUM Coastal Waters Forecast for the Mariana Islands National Weather Service Tiyan GU 302 AM ChST Fri Sep 20 2024 Marianas Waters out to 40 nautical miles PMZ150-200800- 302 AM ChST Fri Sep 20 2024 .Synopsis for Marianas Waters...Mainly gentle, at times moderate trades will continue into next week. The southwest to west swell continues to decrease, allowing seas around 4 to 5 feet to drop to 2 to 4 feet this weekend. Next chance of showers is early next week as a trough moves in from the east. $$ PMZ151>154-200800- MARIANAS COASTAL WATERS- 302 AM ChST Fri Sep 20 2024 .TODAY...East wind 5 to 10 kt. Wind waves 2 ft or less. Mixed swell east 3 ft and west 3 ft. .TONIGHT THROUGH SATURDAY NIGHT...Northeast to east wind 5 to 10 kt. Wind waves 2 ft or less. East swell 2 to 3 ft. .SUNDAY...East wind 5 to 15 kt. Wind waves 1 to 3 ft. East swell 3 to 4 ft. .MONDAY AND TUESDAY...East wind 10 kt. Wind waves 2 ft or less. East swell 3 to 4 ft. Chance of showers. $$