Marine Weather Message
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
218 WHCA72 TJSJ 182026 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 426 PM AST Mon Aug 18 2025 AMZ742-182130- /O.CAN.TJSJ.SC.Y.0030.000000T0000Z-250818T2200Z/ Coastal Waters of Northwestern Puerto Rico out 10 NM- 426 PM AST Mon Aug 18 2025 ...SMALL CRAFT ADVISORY IS CANCELLED... Condition have improved, no longer meeting small craft advisory criteria. However, small craft operators should exercise caution across these areas. $$ AMZ712-741-745-182130- /O.CAN.TJSJ.SC.Y.0029.000000T0000Z-250818T2200Z/ Coastal Waters of Northern Puerto Rico out 10 NM- Mona Passage Southward to 17N- Coastal Waters of Southwestern Puerto Rico out 10 NM- 426 PM AST Mon Aug 18 2025 ...SMALL CRAFT ADVISORY IS CANCELLED... Condition have improved, no longer meeting small craft advisory criteria. However, small craft operators should exercise caution across these areas. $$ AMZ711-190400- /O.CON.TJSJ.SC.Y.0030.000000T0000Z-250819T0400Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 426 PM AST Mon Aug 18 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT AST TONIGHT... * WHAT...South winds 15 to 25 kt with gusts up to 35 kt and seas 7 to 9 ft. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N and Coastal Waters of Northwestern Puerto Rico out 10 NM. * WHEN...Until midnight AST tonight. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$