


Coastal Waters Forecast
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
806 FZMY50 PGUM 061721 CWFGUM Coastal Waters Forecast for the Mariana Islands National Weather Service Tiyan GU 321 AM ChST Wed May 7 2025 Marianas Waters out to 40 nautical miles PMZ150-071015- 321 AM ChST Wed May 7 2025 .Synopsis for Marianas Waters...Gentle to moderate trades and combined seas between 4 to 6 feet are expected for much of the week. Sea conditions will remain benign through the period. $$ PMZ151>154-071015- MARIANAS COASTAL WATERS- 321 AM ChST Wed May 7 2025 .TODAY...East wind 15 kt. Seas 4 to 6 ft. Wave Detail: East 5 ft at 8 seconds and east 3 ft at 5 seconds. .TONIGHT THROUGH THURSDAY NIGHT...East wind 15 kt. Seas 4 to 6 ft. Wave Detail: East 5 ft at 8 seconds and east 3 ft at 5 seconds. .FRIDAY AND SATURDAY...East wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: East 5 ft at 8 seconds and east 3 ft at 5 seconds. .SUNDAY...East wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: East 4 ft at 8 seconds, northeast 2 ft at 12 seconds and east 3 ft at 5 seconds. $$