####018000853#### FZMY50 PGUM 150600 CWFGUM Coastal Waters Forecast for the Mariana Islands National Weather Service Tiyan GU 400 PM ChST Thu May 15 2025 Marianas Waters out to 40 nautical miles PMZ150-152100- 400 PM ChST Thu May 15 2025 .Synopsis for Marianas Waters...Gentle to moderate trade winds and combined seas of 4 to 6 feet will persist into next week. $$ PMZ151>154-152100- MARIANAS COASTAL WATERS- 400 PM ChST Thu May 15 2025 .TONIGHT...East wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: East 5 ft at 8 seconds and east 3 ft at 4 seconds. .FRIDAY...East wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: East 5 ft at 8 seconds and east 3 ft at 5 seconds. .FRIDAY NIGHT THROUGH TUESDAY...East wind 15 kt. Seas 4 to 6 ft. Wave Detail: East 5 ft at 8 seconds and east 3 ft at 5 seconds. $$