Marine Weather Message
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
795 WHGM70 PGUM 220804 MWWGUM URGENT - MARINE WEATHER MESSAGE National Weather Service Tiyan GU 604 PM ChST Sat Nov 22 2025 PMZ151>154-220915- /O.EXP.PGUM.SC.Y.0052.000000T0000Z-251122T0800Z/ Guam Coastal Waters-Rota Coastal Waters-Tinian Coastal Waters- Saipan Coastal Waters- 604 PM ChST Sat Nov 22 2025 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 6 PM CHST THIS EVENING... Buoy and altimetry data indicate seas have diminished to 7 to 9 feet, just below levels hazardous to small craft, and the Small Craft Advisory will be allowed to expire. Seas will remain choppy and elevated through the next few days, however, due to a persistent elevated easterly trade swell and localized wind waves. $$ DeCou