


Marine Weather Message
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
440 WHGM70 PGUM 131803 MWWGUM URGENT - MARINE WEATHER MESSAGE National Weather Service Tiyan GU 403 AM ChST Fri Mar 14 2025 PMZ151>154-141000- /O.CON.PGUM.SC.Y.0024.000000T0000Z-250314T2000Z/ Guam Coastal Waters-Rota Coastal Waters-Tinian Coastal Waters- Saipan Coastal Waters- 403 AM ChST Fri Mar 14 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CHST SATURDAY... * WHAT...Seas 8 to 11 feet. * WHERE...Marianas Coastal Waters. * WHEN...Until 6 AM ChST Saturday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...A significant north-northeast swell is moving through the Marianas, associated with strong low pressure far to the northeast. This swell, in combination with northeast trade swell and elevated wind waves, is contributing to seas hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid boating in hazardous conditions. && $$ Bowsher