Marine Weather Message
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
247 WHCA72 TJSJ 180802 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 402 AM AST Mon Aug 18 2025 AMZ716-723-726-733-180915- /O.CAN.TJSJ.SC.Y.0029.000000T0000Z-250818T1000Z/ Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM- Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- Coastal waters east of Puerto Rico, around Vieques, and around and just north of Culebra and Saint John- Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix- 402 AM AST Mon Aug 18 2025 ...SMALL CRAFT ADVISORY IS CANCELLED... Seas are expected to continue to improve today. Nevertheless, small craft should exercise caution. $$ AMZ745-181615- /O.EXA.TJSJ.SC.Y.0029.000000T0000Z-250818T2200Z/ Coastal Waters of Southwestern Puerto Rico out 10 NM- 402 AM AST Mon Aug 18 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM AST THIS EVENING... * WHAT...Seas 5 to 7 ft. * WHERE...Coastal Waters of Southwestern Puerto Rico out 10 NM. * WHEN...Until 6 PM AST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ711-181615- /O.EXT.TJSJ.SC.Y.0030.000000T0000Z-250819T0400Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 402 AM AST Mon Aug 18 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL MIDNIGHT AST TONIGHT... * WHAT...South winds 15 to 25 kt with gusts up to 45 kt and seas 7 to 10 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. && $$ AMZ712-741-181615- /O.CON.TJSJ.SC.Y.0029.000000T0000Z-250818T2200Z/ Coastal Waters of Northern Puerto Rico out 10 NM- Mona Passage Southward to 17N- 402 AM AST Mon Aug 18 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST THIS EVENING... * WHAT...South winds 10 to 20 kt with gusts up to 30 kt and seas 5 to 8 ft. * WHERE...Coastal Waters of Northern Puerto Rico out 10 NM and Mona Passage Southward to 17N. * WHEN...Until 6 PM AST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ742-181615- /O.CON.TJSJ.SC.Y.0030.000000T0000Z-250818T2200Z/ Coastal Waters of Northwestern Puerto Rico out 10 NM- 402 AM AST Mon Aug 18 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST THIS EVENING... * WHAT...South winds 15 to 25 kt with gusts up to 45 kt and seas 7 to 10 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 6 PM AST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$