Alert archive / Puerto Rico / Small Craft Advisories in 2025
Small Craft Advisory 21, NWS JSJ
NWS JSJ issued this small craft advisory at Apr 7, 2025, 3:35 PM CDT. It took effect at Apr 8, 2025, 3:33 PM CDT. It was in force for 31 hr.
The area
The counties it named.
The facts
- Issued
- Apr 7, 2025, 3:35 PM CDT (20:35 UTC)
- In effect from
- Apr 8, 2025, 3:33 PM CDT
- Expired
- Apr 9, 2025, 11:00 PM CDT
- In force
- 31 hr
- Issued by
- NWS JSJ
The text
As transmitted.
671 WHCA72 TJSJ 072035 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 435 PM AST Mon Apr 7 2025 AMZ711-723-080445- /O.NEW.TJSJ.SC.Y.0021.250408T2200Z-250410T0000Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- 435 PM AST Mon Apr 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM TUESDAY TO 8 PM AST WEDNESDAY... * WHAT...Seas 5 to 7 ft expected, occasionally to 9 feet. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N and Anegada Passage east of Virgin Gorda and Saint Croix south to 17N. * WHEN...From 6 PM Tuesday to 8 PM AST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
9 follow-up statements
110 WHCA72 TJSJ 080059 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 859 PM AST Mon Apr 7 2025 AMZ711-723-081000- /O.CON.TJSJ.SC.Y.0021.250408T2200Z-250410T0000Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- 859 PM AST Mon Apr 7 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM TUESDAY TO 8 PM AST WEDNESDAY... * WHAT...Seas 5 to 7 ft expected, occasionally to 9 feet. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N and Anegada Passage east of Virgin Gorda and Saint Croix south to 17N. * WHEN...From 6 PM Tuesday to 8 PM AST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
711 WHCA72 TJSJ 080747 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 347 AM AST Tue Apr 8 2025 AMZ712-081600- /O.EXB.TJSJ.SC.Y.0021.250409T1000Z-250410T0400Z/ Coastal Waters of Northern Puerto Rico out 10 NM- 347 AM AST Tue Apr 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM WEDNESDAY TO MIDNIGHT AST WEDNESDAY NIGHT... * WHAT...Seas 6 to 7 ft expected. * WHERE...Coastal Waters of Northern Puerto Rico out 10 NM. * WHEN...From 6 AM Wednesday to midnight AST Wednesday night. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ711-081600- /O.EXT.TJSJ.SC.Y.0021.250408T2200Z-250410T0400Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 347 AM AST Tue Apr 8 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT AST WEDNESDAY NIGHT... * WHAT...Seas 5 to 7 ft expected, occasionally to 9 feet. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N and Anegada Passage east of Virgin Gorda and Saint Croix south to 17N. * WHEN...From 6 PM this evening to midnight AST Wednesday night. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ723-081600- /O.EXT.TJSJ.SC.Y.0021.250408T2200Z-250409T2200Z/ Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- 347 AM AST Tue Apr 8 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO 6 PM AST WEDNESDAY... * WHAT...Seas 5 to 7 ft expected, occasionally to 9 feet. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N and Anegada Passage east of Virgin Gorda and Saint Croix south to 17N. * WHEN...From 6 PM this evening to 6 PM AST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
750 WHCA72 TJSJ 081505 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 1105 AM AST Tue Apr 8 2025 AMZ711-082315- /O.CON.TJSJ.SC.Y.0021.250408T2200Z-250410T0400Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 1105 AM AST Tue Apr 8 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT AST WEDNESDAY NIGHT... * WHAT...Seas 5 to 7 ft expected, occasionally to 9 feet. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N and Anegada Passage east of Virgin Gorda and Saint Croix south to 17N. * WHEN...From 6 PM this evening to midnight AST Wednesday night. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ723-082315- /O.CON.TJSJ.SC.Y.0021.250408T2200Z-250409T2200Z/ Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- 1105 AM AST Tue Apr 8 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM AST WEDNESDAY... * WHAT...Seas 5 to 7 ft expected, occasionally to 9 feet. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N and Anegada Passage east of Virgin Gorda and Saint Croix south to 17N. * WHEN...From 6 PM this evening to 6 PM AST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ712-082315- /O.CON.TJSJ.SC.Y.0021.250409T1000Z-250410T0400Z/ Coastal Waters of Northern Puerto Rico out 10 NM- 1105 AM AST Tue Apr 8 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM WEDNESDAY TO MIDNIGHT AST WEDNESDAY NIGHT... * WHAT...Seas 6 to 7 ft expected. * WHERE...Coastal Waters of Northern Puerto Rico out 10 NM. * WHEN...From 6 AM Wednesday to midnight AST Wednesday night. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
986 WHCA72 TJSJ 082033 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 433 PM AST Tue Apr 8 2025 AMZ716-090445- /O.EXB.TJSJ.SC.Y.0021.250408T2033Z-250409T2200Z/ Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM- 433 PM AST Tue Apr 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM AST WEDNESDAY... * 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. * WHEN...Until 6 PM AST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ711-712-090445- /O.EXT.TJSJ.SC.Y.0021.250408T2033Z-250410T0400Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- Coastal Waters of Northern Puerto Rico out 10 NM- 433 PM AST Tue Apr 8 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL MIDNIGHT AST WEDNESDAY NIGHT... * WHAT...Seas 5 to 7 ft expected, occasionally to 9 feet. * WHERE...Offshore and coastal Atlantic waters. * WHEN...Until midnight AST Wednesday night. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ723-090445- /O.EXT.TJSJ.SC.Y.0021.250408T2033Z-250409T2200Z/ Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- 433 PM AST Tue Apr 8 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM AST WEDNESDAY... * WHAT...Seas 5 to 7 ft expected, occasionally to 9 feet. * WHERE...Anegada Passage. * WHEN...Until 6 PM AST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
459 WHCA72 TJSJ 090128 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 928 PM AST Tue Apr 8 2025 AMZ711-712-090930- /O.CON.TJSJ.SC.Y.0021.000000T0000Z-250410T0400Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- Coastal Waters of Northern Puerto Rico out 10 NM- 928 PM AST Tue Apr 8 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT AST WEDNESDAY NIGHT... * WHAT...Seas 6 to 8 ft. * WHERE...Offshore and Atlantic waters. * WHEN...Until midnight AST Wednesday night. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ716-723-090930- /O.CON.TJSJ.SC.Y.0021.000000T0000Z-250409T2200Z/ 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- 928 PM AST Tue Apr 8 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST WEDNESDAY... * WHAT...Seas 6 to 8 ft. * WHERE...Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM and Anegada Passage east of Virgin Gorda and Saint Croix south to 17N. * WHEN...Until 6 PM AST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
198 WHCA72 TJSJ 090812 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 412 AM AST Wed Apr 9 2025 AMZ711-712-091615- /O.CON.TJSJ.SC.Y.0021.000000T0000Z-250410T0400Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- Coastal Waters of Northern Puerto Rico out 10 NM- 412 AM AST Wed Apr 9 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT AST TONIGHT... * WHAT...A long period northeasterly swell at 6 to 8 ft. * WHERE...Offshore and Atlantic waters. * WHEN...Until midnight AST tonight. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ716-723-091615- /O.CON.TJSJ.SC.Y.0021.000000T0000Z-250409T2200Z/ 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- 412 AM AST Wed Apr 9 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST THIS EVENING... * WHAT...A long period northeasterly swell at 6 to 8 ft. * WHERE...Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM and Anegada Passage east of Virgin Gorda and Saint Croix south to 17N. * WHEN...Until 6 PM AST this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
503 WHCA72 TJSJ 091442 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 1042 AM AST Wed Apr 9 2025 AMZ711-712-092245- /O.CON.TJSJ.SC.Y.0021.000000T0000Z-250410T0400Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- Coastal Waters of Northern Puerto Rico out 10 NM- 1042 AM AST Wed Apr 9 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT AST TONIGHT... * WHAT...A long period northeasterly swell at 6 to 8 ft. * WHERE...Offshore and Atlantic waters. * WHEN...Until midnight AST tonight. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ716-723-092200- /O.CON.TJSJ.SC.Y.0021.000000T0000Z-250409T2200Z/ 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- 1042 AM AST Wed Apr 9 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST THIS EVENING... * WHAT...A long period northeasterly swell at 6 to 8 ft. * WHERE...Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM and Anegada Passage east of Virgin Gorda and Saint Croix south to 17N. * WHEN...Until 6 PM AST this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
035 WHCA72 TJSJ 092030 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 430 PM AST Wed Apr 9 2025 AMZ711-712-100400- /O.CON.TJSJ.SC.Y.0021.000000T0000Z-250410T0400Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- Coastal Waters of Northern Puerto Rico out 10 NM- 430 PM AST Wed Apr 9 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT AST TONIGHT... * WHAT...Seas 6 to 7 ft. * WHERE...Offshore and Coastal Atlantic Waters. * WHEN...Until midnight AST tonight. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ716-723-092200- /O.CON.TJSJ.SC.Y.0021.000000T0000Z-250409T2200Z/ 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- 430 PM AST Wed Apr 9 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST THIS EVENING... * WHAT...Seas 6 to 7 ft. * WHERE...Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM and Anegada Passage east of Virgin Gorda and Saint Croix south to 17N. * WHEN...Until 6 PM AST this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
446 WHCA72 TJSJ 100122 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 922 PM AST Wed Apr 9 2025 AMZ711-712-100400- /O.CON.TJSJ.SC.Y.0021.000000T0000Z-250410T0400Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- Coastal Waters of Northern Puerto Rico out 10 NM- 922 PM AST Wed Apr 9 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT AST TONIGHT... * WHAT...Seas 6 to 7 ft. * WHERE...Offshore and Coastal Atlantic Waters. * WHEN...Until midnight AST tonight. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
Nearby
Small Craft Advisories in Puerto Rico, 2025Every small craft advisory in 2025
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.