296 WHPQ42 PGUM 161928 CFWPQ2 URGENT - IMMEDIATE BROADCAST REQUESTED Coastal Hazard Message National Weather Service Tiyan GU 528 AM ChST Fri Apr 17 2026 FMZ037-170700- /O.CON.PGUM.SU.Y.0036.000000T0000Z-260417T0700Z/ /O.CON.PGUM.CF.S.0004.000000T0000Z-260417T0700Z/ Yap- 528 AM ChST Fri Apr 17 2026 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 PM CHST THIS AFTERNOON... ...COASTAL FLOOD STATEMENT REMAINS IN EFFECT UNTIL 5 PM CHST THIS AFTERNOON... * WHAT...Large breaking waves of 9 to 13 feet. Isolated minor coastal flooding possible. * WHERE...North and east facing reefs of Yap. * WHEN...Until 5 PM ChST this afternoon. * IMPACTS...Some water on low lying roads and property. Dangerous swimming and surfing conditions and localized beach erosion. * ADDITIONAL DETAILS...Large northeast swell from Typhoon Sinlaku will bring hazardous surf along north and east facing reefs through at least Friday afternoon. Hazardous surf, combined with the higher high tides with the new moon cycle, may produce minor coastal inundation along northern and eastern shorelines at times of high tide today. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced swimmers should remain out of the water due to dangerous surf conditions. && $$ PWZ002>006-170700- /O.CON.PGUM.SU.Y.0036.000000T0000Z-260417T0700Z/ Melekeok-Airai-Koror-Peleliu-Angaur- 528 AM ChST Fri Apr 17 2026 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 PM CHST THIS AFTERNOON... * WHAT...Large breaking waves of 7 to 9 feet. * WHERE...North facing reefs of Palau. * WHEN...Until 5 PM ChST this afternoon. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. * ADDITIONAL DETAILS...Large northeast swell from Typhoon Sinlaku will bring hazardous surf along north facing reefs through this afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced swimmers should remain out of the water due to dangerous surf conditions. && $$ Stanko