


Marine Weather Message
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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490 WHGM70 PGUM 140553 MWWGUM URGENT - MARINE WEATHER MESSAGE National Weather Service Tiyan GU 353 PM ChST Tue Oct 14 2025 PMZ151-152-142000- /O.NEW.PGUM.SC.Y.0045.251014T0800Z-251015T2000Z/ Guam Coastal Waters-Rota Coastal Waters- 353 PM ChST Tue Oct 14 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CHST THURSDAY... * WHAT...Southeast winds 15 to 25 kt and seas 6 to 8 feet expected. * WHERE...Guam and Rota Coastal Waters. * WHEN...From 6 PM this evening to 6 AM ChST Thursday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...A tropical disturbance known as JTWC`s Invest 96W, is expected to bring fresh to strong southeasterlies as well as increasing southeast swell, which will produce conditions hazardous to small craft through at least late Wednesday night. Conditions are expected to steadily improve once Invest 96W moves away from the region to the west in the second half of the week. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid boating in hazardous conditions. && $$ Montvila