Alert archive / Puerto Rico / Small Craft Advisories in 2021
Small Craft Advisory 21, NWS JSJ
NWS JSJ issued this small craft advisory at Apr 4, 2021, 8:39 PM CDT. It took effect at Apr 5, 2021, 1:00 AM CDT. It was in force for 48 hr.
The area
The counties it named.
The facts
- Issued
- Apr 4, 2021, 8:39 PM CDT (01:39 UTC)
- In effect from
- Apr 5, 2021, 1:00 AM CDT
- Expired
- Apr 7, 2021, 1:00 AM CDT
- In force
- 48 hr
- Issued by
- NWS JSJ
The text
As transmitted.
266 WHCA72 TJSJ 050139 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 939 PM AST Sun Apr 4 2021 AMZ710-051000- /O.NEW.TJSJ.SC.Y.0021.210405T0600Z-210406T1200Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 939 PM AST Sun Apr 4 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM MONDAY TO 8 AM AST TUESDAY... * WHAT...Seas 5 to 7 feet expected. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N. * WHEN...From 2 AM Monday to 8 AM AST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ712-741-051000- /O.NEW.TJSJ.SC.Y.0021.210405T1200Z-210406T0000Z/ Coastal Waters of Northern Puerto Rico out 10 NM- Mona Passage Southward to 17N- 939 PM AST Sun Apr 4 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 8 PM AST MONDAY... * WHAT...Seas 5 to 7 feet expected. * WHERE...Coastal Waters of Northern Puerto Rico out 10 NM and Mona Passage Southward to 17N. * WHEN...From 8 AM to 8 PM AST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
10 follow-up statements
030 WHCA72 TJSJ 050755 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 355 AM AST Mon Apr 5 2021 AMZ710-051600- /O.CON.TJSJ.SC.Y.0021.000000T0000Z-210406T1200Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 355 AM AST Mon Apr 5 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM AST TUESDAY... * WHAT...Seas 5 to 7 feet expected. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N. * WHEN...Until 8 AM AST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ712-741-051600- /O.CON.TJSJ.SC.Y.0021.210405T1200Z-210406T0000Z/ Coastal Waters of Northern Puerto Rico out 10 NM- Mona Passage Southward to 17N- 355 AM AST Mon Apr 5 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 8 PM AST THIS EVENING... * WHAT...Seas 5 to 7 feet expected. * WHERE...Coastal Waters of Northern Puerto Rico out 10 NM and Mona Passage Southward to 17N. * WHEN...From 8 AM this morning to 8 PM AST this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
517 WHCA72 TJSJ 050901 AAA MWWSJU URGENT - MARINE WEATHER MESSAGE...UPDATED National Weather Service San Juan PR 501 AM AST Mon Apr 5 2021 AMZ742-051715- /O.EXB.TJSJ.SC.Y.0021.210405T0901Z-210406T0000Z/ Coastal Waters of Northwestern Puerto Rico out 10 NM- 501 AM AST Mon Apr 5 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM AST THIS EVENING... * WHAT...Seas 5 to 7 feet expected. * WHERE...Coastal Waters of Northwestern Puerto Rico out 10 NM. * WHEN...Until 8 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. && $$ AMZ712-741-051715- /O.EXT.TJSJ.SC.Y.0021.210405T0901Z-210406T0000Z/ Coastal Waters of Northern Puerto Rico out 10 NM- Mona Passage Southward to 17N- 501 AM AST Mon Apr 5 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM AST THIS EVENING... * WHAT...Seas 5 to 7 feet expected. * WHERE...Coastal Waters of Northern Puerto Rico out 10 NM and Mona Passage Southward to 17N. * WHEN...Until 8 PM AST this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ710-051715- /O.CON.TJSJ.SC.Y.0021.000000T0000Z-210406T1200Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 501 AM AST Mon Apr 5 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM AST TUESDAY... * WHAT...Seas 5 to 7 feet expected. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N. * WHEN...Until 8 AM AST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
551 WHCA72 TJSJ 051134 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 734 AM AST Mon Apr 5 2021 AMZ715-051945- /O.EXB.TJSJ.SC.Y.0021.000000T0000Z-210406T0600Z/ Coastal Waters of Northern USVI and Culebra out 10 NM- 734 AM AST Mon Apr 5 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM AST TUESDAY... * WHAT...Seas 5 to 7 feet expected. * WHERE...Coastal Waters of Northern USVI and Culebra out 10 NM. * WHEN...Until 2 AM AST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ712-741-742-051945- /O.EXT.TJSJ.SC.Y.0021.000000T0000Z-210406T0600Z/ Coastal Waters of Northern Puerto Rico out 10 NM- Mona Passage Southward to 17N- Coastal Waters of Northwestern Puerto Rico out 10 NM- 734 AM AST Mon Apr 5 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM AST TUESDAY... * WHAT...Seas 6 to 8 feet expected. * WHERE...Coastal Waters of Northern Puerto Rico out 10 NM and Mona Passage Southward to 17N. * WHEN...Until 2 AM AST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ710-051945- /O.CON.TJSJ.SC.Y.0021.000000T0000Z-210406T1200Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 734 AM AST Mon Apr 5 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM AST TUESDAY... * WHAT...Seas 6 to 8 feet expected. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N. * WHEN...Until 8 AM AST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
341 WHCA72 TJSJ 051346 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 946 AM AST Mon Apr 5 2021 AMZ712-715-741-742-052200- /O.CON.TJSJ.SC.Y.0021.000000T0000Z-210406T0600Z/ Coastal Waters of Northern Puerto Rico out 10 NM- Coastal Waters of Northern USVI and Culebra out 10 NM- Mona Passage Southward to 17N- Coastal Waters of Northwestern Puerto Rico out 10 NM- 946 AM AST Mon Apr 5 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM AST TUESDAY... * WHAT...Seas 6 to 8 feet expected. * WHERE...Coastal Waters of Northern Puerto Rico out 10 NM and Mona Passage Southward to 17N. * WHEN...Until 2 AM AST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ710-052200- /O.CON.TJSJ.SC.Y.0021.000000T0000Z-210406T1200Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 946 AM AST Mon Apr 5 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM AST TUESDAY... * WHAT...Seas 6 to 8 feet expected. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N. * WHEN...Until 8 AM AST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
372 WHCA72 TJSJ 052015 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 415 PM AST Mon Apr 5 2021 AMZ712-715-741-742-060415- /O.CON.TJSJ.SC.Y.0021.000000T0000Z-210406T0600Z/ Coastal Waters of Northern Puerto Rico out 10 NM- Coastal Waters of Northern USVI and Culebra out 10 NM- Mona Passage Southward to 17N- Coastal Waters of Northwestern Puerto Rico out 10 NM- 415 PM AST Mon Apr 5 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM AST TUESDAY... * WHAT...Seas 6 to 8 feet expected. * WHERE...Coastal Waters of Northern and Northwestern Puerto Rico, Northern USVI and Culebra out 10 NM and Mona Passage Southward to 17N. * WHEN...Until 2 AM AST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ710-060415- /O.CON.TJSJ.SC.Y.0021.000000T0000Z-210406T1200Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 415 PM AST Mon Apr 5 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM AST TUESDAY... * WHAT...Seas 6 to 8 feet expected. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N. * WHEN...Until 8 AM AST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
152 WHCA72 TJSJ 060142 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 942 PM AST Mon Apr 5 2021 AMZ712-715-741-742-060600- /O.CON.TJSJ.SC.Y.0021.000000T0000Z-210406T0600Z/ Coastal Waters of Northern Puerto Rico out 10 NM- Coastal Waters of Northern USVI and Culebra out 10 NM- Mona Passage Southward to 17N- Coastal Waters of Northwestern Puerto Rico out 10 NM- 942 PM AST Mon Apr 5 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM AST TUESDAY... * WHAT...Seas of 5 to 8 feet expected. * WHERE...Coastal Waters of Northern and Northwestern Puerto Rico, Northern USVI and Culebra out 10 NM and Mona Passage Southward to 17N. * WHEN...Until 2 AM AST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ710-061000- /O.CON.TJSJ.SC.Y.0021.000000T0000Z-210406T1200Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 942 PM AST Mon Apr 5 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM AST TUESDAY... * WHAT...Seas of 5 to 8 feet expected. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N. * WHEN...Until 8 AM AST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
508 WHCA72 TJSJ 060718 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 318 AM AST Tue Apr 6 2021 AMZ712-715-741-742-061530- /O.NEW.TJSJ.SC.Y.0022.210406T0718Z-210406T1800Z/ Coastal Waters of Northern Puerto Rico out 10 NM- Coastal Waters of Northern USVI and Culebra out 10 NM- Mona Passage Southward to 17N- Coastal Waters of Northwestern Puerto Rico out 10 NM- 318 AM AST Tue Apr 6 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM AST THIS AFTERNOON... * WHAT...Seas 5 to 7 feet. * WHERE...Coastal Waters of Northern Puerto Rico out 10 NM, Coastal Waters of Northern USVI and Culebra out 10 NM, Mona Passage Southward to 17N and Coastal Waters of Northwestern Puerto Rico out 10 NM. * WHEN...Until 2 PM AST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ710-061530- /O.EXT.TJSJ.SC.Y.0021.000000T0000Z-210407T0000Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 318 AM AST Tue Apr 6 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM AST THIS EVENING... * WHAT...Seas of 5 to 8 feet expected. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N. * WHEN...Until 8 PM AST this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
701 WHCA72 TJSJ 061403 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 1003 AM AST Tue Apr 6 2021 AMZ712-715-741-742-061800- /O.CON.TJSJ.SC.Y.0022.000000T0000Z-210406T1800Z/ Coastal Waters of Northern Puerto Rico out 10 NM- Coastal Waters of Northern USVI and Culebra out 10 NM- Mona Passage Southward to 17N- Coastal Waters of Northwestern Puerto Rico out 10 NM- 1003 AM AST Tue Apr 6 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM AST THIS AFTERNOON... * WHAT...Seas 5 to 7 feet. * WHERE...Coastal Waters of Northern Puerto Rico out 10 NM, Coastal Waters of Northern USVI and Culebra out 10 NM, Mona Passage Southward to 17N and Coastal Waters of Northwestern Puerto Rico out 10 NM. * WHEN...Until 2 PM AST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ710-062215- /O.CON.TJSJ.SC.Y.0021.000000T0000Z-210407T0000Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 1003 AM AST Tue Apr 6 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM AST THIS EVENING... * WHAT...Seas of 5 to 8 feet expected. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N. * WHEN...Until 8 PM AST this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
397 WHCA72 TJSJ 061940 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 340 PM AST Tue Apr 6 2021 AMZ710-070345- /O.EXT.TJSJ.SC.Y.0021.000000T0000Z-210407T0600Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 340 PM AST Tue Apr 6 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM AST WEDNESDAY... * WHAT...Seas of 5 to 8 feet expected. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N. * WHEN...Until 2 AM 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. && $$
866 WHCA72 TJSJ 070006 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 806 PM AST Tue Apr 6 2021 AMZ710-070600- /O.CON.TJSJ.SC.Y.0021.000000T0000Z-210407T0600Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 806 PM AST Tue Apr 6 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM AST WEDNESDAY... * WHAT...Seas of 5 to 7 feet expected. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N. * WHEN...Until 2 AM AST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
The office that day
Everything else NWS JSJ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 6:32 AM CDT | High Surf Advisory | JSJ | 9 hr | |
| Apr 5, 6:32 AM CDT | High Surf Advisory | JSJ | 27 hr | |
| Apr 5, 1:19 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Apr 5, 2:05 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Apr 5, 3:23 PM CDT | Areal Flood Advisory | JSJ | 97 min |
Nearby
Small Craft Advisories in Puerto Rico, 2021Every small craft advisory in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.