WHGM70 PGUM 220907 MWWGUM URGENT - MARINE WEATHER MESSAGE National Weather Service Tiyan GU 707 PM ChST Sat Aug 22 2026 PMZ151-152-222315- /O.EXA.PGUM.SC.Y.0062.000000T0000Z-260823T0700Z/ Guam Coastal Waters-Rota Coastal Waters- 707 PM ChST Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CHST SUNDAY... * WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and seas 7 to 10 feet. * WHERE...Guam and Rota Coastal Waters. * WHEN...Until 5 PM ChST Sunday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...Fresh to locally strong southwest winds will ramp up as a monsoon surge develops south of passing Typhoon Saudel. Seas up to 10 feet will be possible throughout the coastal waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid boating in hazardous conditions. && $$ PMZ153-154-222315- /O.CON.PGUM.SC.Y.0062.000000T0000Z-260823T0700Z/ Tinian Coastal Waters-Saipan Coastal Waters- 707 PM ChST Sat Aug 22 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM CHST SUNDAY... * WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and seas 7 to 10 feet. * WHERE...Tinian and Saipan Coastal Waters. * WHEN...Until 5 PM ChST Sunday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...Fresh to locally strong southwest winds will ramp up as a monsoon surge develops south of passing Typhoon Saudel. Seas up to 10 feet will be possible throughout the coastal waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid boating in hazardous conditions. && $$ JAW