Alert archive / Puerto Rico / Small Craft Advisories in 2021
Small Craft Advisory 23, NWS JSJ
NWS JSJ issued this small craft advisory at Apr 8, 2021, 8:54 PM CDT. It took effect at Apr 9, 2021, 1:00 PM CDT. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Apr 8, 2021, 8:54 PM CDT (01:54 UTC)
- In effect from
- Apr 9, 2021, 1:00 PM CDT
- Expired
- Apr 10, 2021, 3:31 AM CDT
- In force
- 15 hr
- Issued by
- NWS JSJ
The text
As transmitted.
537 WHCA72 TJSJ 090154 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 954 PM AST Thu Apr 8 2021 AMZ710-741-091000- /O.NEW.TJSJ.SC.Y.0023.210409T1800Z-210410T1200Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- Mona Passage Southward to 17N- 954 PM AST Thu Apr 8 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM FRIDAY TO 8 AM AST SATURDAY... * WHAT...Seas 5 to 7 feet expected. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N and Mona Passage Southward to 17N. * WHEN...From 2 PM Friday to 8 AM AST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ712-715-091000- /O.NEW.TJSJ.SC.Y.0023.210410T0000Z-210410T1200Z/ Coastal Waters of Northern Puerto Rico out 10 NM- Coastal Waters of Northern USVI and Culebra out 10 NM- 954 PM AST Thu Apr 8 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM FRIDAY TO 8 AM AST SATURDAY... * WHAT...Seas 5 to 7 feet expected. * WHERE...Coastal Waters of Northern Puerto Rico out 10 NM and Coastal Waters of Northern USVI and Culebra out 10 NM. * WHEN...From 8 PM Friday to 8 AM AST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
6 follow-up statements
930 WHCA72 TJSJ 090723 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 323 AM AST Fri Apr 9 2021 AMZ710-741-091530- /O.CON.TJSJ.SC.Y.0023.210409T1800Z-210410T1200Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- Mona Passage Southward to 17N- 323 AM AST Fri Apr 9 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 AM AST SATURDAY... * WHAT...Seas building 5 to 7 feet expected. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N and Mona Passage Southward to 17N. * WHEN...From 2 PM Friday to 8 AM AST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ712-715-091530- /O.CON.TJSJ.SC.Y.0023.210410T0000Z-210410T1200Z/ Coastal Waters of Northern Puerto Rico out 10 NM- Coastal Waters of Northern USVI and Culebra out 10 NM- 323 AM AST Fri Apr 9 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8 AM AST SATURDAY... * WHAT...Seas building 5 to 7 feet expected. * WHERE...Coastal Waters of Northern Puerto Rico out 10 NM and Coastal Waters of Northern USVI and Culebra out 10 NM. * WHEN...From 8 PM Friday to 8 AM AST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
152 WHCA72 TJSJ 091450 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 1050 AM AST Fri Apr 9 2021 AMZ710-741-092300- /O.CON.TJSJ.SC.Y.0023.210409T1800Z-210410T1200Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- Mona Passage Southward to 17N- 1050 AM AST Fri Apr 9 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM AST THIS AFTERNOON TO 8 AM AST SATURDAY... * WHAT...Seas building 5 to 7 feet expected. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N and Mona Passage Southward to 17N. * WHEN...From 2 PM Friday to 8 AM AST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ712-715-092300- /O.CON.TJSJ.SC.Y.0023.210410T0000Z-210410T1200Z/ Coastal Waters of Northern Puerto Rico out 10 NM- Coastal Waters of Northern USVI and Culebra out 10 NM- 1050 AM AST Fri Apr 9 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8 AM AST SATURDAY... * WHAT...Seas building 5 to 7 feet expected. * WHERE...Coastal Waters of Northern Puerto Rico out 10 NM and Coastal Waters of Northern USVI and Culebra out 10 NM. * WHEN...From 8 PM Friday to 8 AM AST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
214 WHCA72 TJSJ 091943 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 343 PM AST Fri Apr 9 2021 AMZ712-715-092045- /O.CAN.TJSJ.SC.Y.0023.210410T0000Z-210410T1200Z/ Coastal Waters of Northern Puerto Rico out 10 NM- Coastal Waters of Northern USVI and Culebra out 10 NM- 343 PM AST Fri Apr 9 2021 ...SMALL CRAFT ADVISORY IS CANCELLED... Observations and the latest model guidance suggests Small Craft Advisory criteria will not be met for these zones with this swell event. However, small craft operators are urged to exercise caution in these areas due to choppy seas and mostly moderate winds. $$ AMZ710-741-100345- /O.CON.TJSJ.SC.Y.0023.000000T0000Z-210410T1200Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- Mona Passage Southward to 17N- 343 PM AST Fri Apr 9 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM AST SATURDAY... * WHAT...Seas of 5 to 7 feet expected. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N and Mona Passage Southward to 17N. * WHEN...From 2 PM Friday to 8 AM AST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
843 WHCA72 TJSJ 091947 CCA MWWSJU URGENT - MARINE WEATHER MESSAGE...CORRECTED National Weather Service San Juan PR 347 PM AST Fri Apr 9 2021 AMZ712-715-092045- /O.CAN.TJSJ.SC.Y.0023.210410T0000Z-210410T1200Z/ Coastal Waters of Northern Puerto Rico out 10 NM- Coastal Waters of Northern USVI and Culebra out 10 NM- 347 PM AST Fri Apr 9 2021 ...SMALL CRAFT ADVISORY IS CANCELLED... Observations and the latest model guidance suggests Small Craft Advisory criteria will not be met for these zones with this swell event. However, small craft operators are urged to exercise caution in these areas due to choppy seas and mostly moderate winds. $$ AMZ710-741-100345- /O.COR.TJSJ.SC.Y.0023.000000T0000Z-210410T1200Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- Mona Passage Southward to 17N- 347 PM AST Fri Apr 9 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM AST SATURDAY... * WHAT...Seas of 5 to 7 feet expected. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N and Mona Passage Southward to 17N. * WHEN...Until 8 AM AST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
438 WHCA72 TJSJ 100054 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 854 PM AST Fri Apr 9 2021 AMZ710-741-100900- /O.CON.TJSJ.SC.Y.0023.000000T0000Z-210410T1200Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- Mona Passage Southward to 17N- 854 PM AST Fri Apr 9 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM AST SATURDAY... * WHAT...Seas of 5 to 7 feet expected. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N and Mona Passage Southward to 17N. * WHEN...Until 8 AM AST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
917 WHCA72 TJSJ 100831 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 431 AM AST Sat Apr 10 2021 AMZ710-741-100945- /O.CAN.TJSJ.SC.Y.0023.000000T0000Z-210410T1200Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- Mona Passage Southward to 17N- 431 AM AST Sat Apr 10 2021 ...SMALL CRAFT ADVISORY IS CANCELLED... Seas have subsided, no longer meeting Small Craft Advisory Criteria. However, small craft operators are urged to exercise caution due to seas up to 6 feet expected across these waters today. $$
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.