Expires:201904090900;;026676 FZMY50 PGUM 081736 CWFMY Coastal Waters Forecast for the Mariana Islands National Weather Service Tiyan GU 336 AM ChST Tue Apr 9 2019 Marianas Waters out to 40 nautical miles PMZ151>154-090900- MARIANAS COASTAL WATERS- 336 AM ChST Tue Apr 9 2019 .TODAY...Northeast wind 10 to 15 kt. Wind waves 2 to 3 ft. East swell 3 ft. .TONIGHT THROUGH THURSDAY...East wind 5 to 15 kt. Wind waves 1 to 3 ft. East swell 3 to 4 ft. .FRIDAY AND SATURDAY...East wind 5 to 15 kt. Wind waves 1 to 3 ft. East swell 3 to 5 ft. $$