Marine Weather Message
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
458 WHCA72 TJSJ 172127 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 527 PM AST Sun Aug 17 2025 AMZ711-742-180530- /O.EXT.TJSJ.SC.Y.0030.000000T0000Z-250818T2200Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- Coastal Waters of Northwestern Puerto Rico out 10 NM- 527 PM AST Sun Aug 17 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM AST MONDAY... * 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. && $$ AMZ712-741-180530- /O.EXT.TJSJ.SC.Y.0029.000000T0000Z-250818T2200Z/ Coastal Waters of Northern Puerto Rico out 10 NM- Mona Passage Southward to 17N- 527 PM AST Sun Aug 17 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM AST MONDAY... * WHAT...South winds 10 to 20 kt with gusts up to 30 kt and seas 5 to 8 ft. * WHERE...Coastal Waters of Northern Puerto Rico out 10 NM and Mona Passage Southward to 17N. * WHEN...Until 6 PM AST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ716-723-726-733-180530- /O.CON.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- 527 PM AST Sun Aug 17 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM AST MONDAY... * WHAT...Seas 5 to 7 ft. * WHERE...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 and Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix. * WHEN...Until 6 AM 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. && $$