WHGM70 PGUM 050605 MWWGUM URGENT - MARINE WEATHER MESSAGE National Weather Service Tiyan GU 405 PM ChST Tue May 5 2026 PMZ151>154-052100- /O.NEW.PGUM.SC.Y.0041.260505T0605Z-260507T0700Z/ Guam Coastal Waters-Rota Coastal Waters-Tinian Coastal Waters- Saipan Coastal Waters- 405 PM ChST Tue May 5 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CHST THURSDAY... * WHAT...East winds 20 to 25 kt with gusts up to 30 kt and seas 9 to 11 feet. * WHERE...Marianas Coastal Waters. * WHEN...Until 5 PM ChST Thursday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...This is caused by a trade-wind surge produced by a mid-latitude high pressure system and a strengthening tropical disturbance to the southeast. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid boating in hazardous conditions. && $$ Ogle/Kleeschulte