Marine Weather Message
Issued by NWS
Issued by NWS
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006 WHGM72 PGUM 200718 MWWPQ2 URGENT - MARINE WEATHER MESSAGE National Weather Service Tiyan GU 518 PM ChST Thu Nov 20 2025 PMZ172-201900- /O.NEW.PGUM.SC.Y.0053.251120T0718Z-251120T1900Z/ Chuuk Coastal Waters- 518 PM ChST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM CHST FRIDAY... * WHAT...East winds 15 to 25 kt with gusts up to 35 kt and seas 6 to 8 feet. * WHERE...Chuuk Coastal Waters. * WHEN...Until 5 AM ChST Friday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...Moderate to strong trade winds hazardous to small craft are expected for tonight as a robust trough along the southern periphery of a broad trade-wind surge moves through the area, bringing numerous showers and isolated thunderstorms tonight. Satellite scatterometry shows an area of 20 to 25 kt winds near and upstream of Chuuk coastal waters. Near-gale to gale-force gusts will be possible with the heaviest showers. Winds are expected to taper downward Friday, becoming moderate to fresh, as the trough moves west of the area. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid boating in hazardous conditions. && $$ DeCou