Alert archive / Puerto Rico / Small Craft Advisories in 2021

Small Craft Advisory 48, NWS JSJ

December 4, 2021

NWS JSJ issued this small craft advisory at Dec 4, 2021, 2:01 PM CST. It took effect at Dec 5, 2021, 12:00 PM CST. It was in force for 38 hr.

The area

The counties it named.

The facts

Issued
Dec 4, 2021, 2:01 PM CST (20:01 UTC)
In effect from
Dec 5, 2021, 12:00 PM CST
Expired
Dec 7, 2021, 2:17 AM CST
In force
38 hr
Issued by
NWS JSJ

The text

As transmitted.

662 
WHCA72 TJSJ 042001
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
401 PM AST Sat Dec 4 2021

AMZ710-050415-
/O.NEW.TJSJ.SC.Y.0048.211205T1800Z-211207T0000Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
401 PM AST Sat Dec 4 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM SUNDAY TO 8 PM AST
MONDAY...

* WHAT...Seas building up to 7 feet with ocasional seas up to 9
  feet and winds up to 20 knots expected.

* WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 
  19.5N.

* WHEN...From 2 PM Sunday 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.

&&

$$
9 follow-up statements
539 
WHCA72 TJSJ 050128
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
928 PM AST Sat Dec 4 2021

AMZ710-050930-
/O.CON.TJSJ.SC.Y.0048.211205T1800Z-211207T0000Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
928 PM AST Sat Dec 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM SUNDAY TO
8 PM AST MONDAY...

* WHAT...Choppy seas up to 7 feet with ocasional seas up to 9 
  feet and winds up to 20 knots expected.

* WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 
  19.5N.

* WHEN...From 2 PM Sunday 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.

&&

$$
284 
WHCA72 TJSJ 050914
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
514 AM AST Sun Dec 5 2021

AMZ710-051715-
/O.CON.TJSJ.SC.Y.0048.211205T1800Z-211207T0000Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
514 AM AST Sun Dec 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 8 PM AST MONDAY...

* WHAT...Choppy seas up to 7 feet with ocasional seas up to 9 
  feet and winds up to 20 knots expected.

* WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 
  19.5N.

* WHEN...From 2 PM this afternoon 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.

&&

$$
639 
WHCA72 TJSJ 052000
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
400 PM AST Sun Dec 5 2021

AMZ710-060400-
/O.EXT.TJSJ.SC.Y.0048.000000T0000Z-211207T1800Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
400 PM AST Sun Dec 5 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 PM AST TUESDAY...

* WHAT...Choppy seas up to 7 feet with ocasional seas up to 9 
  feet and winds up to 20 knots expected.

* WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 
  19.5N.

* WHEN...Until 2 PM 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.

&&

$$
046 
WHCA72 TJSJ 060101
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
901 PM AST Sun Dec 5 2021

AMZ710-060915-
/O.CON.TJSJ.SC.Y.0048.000000T0000Z-211207T1800Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
901 PM AST Sun Dec 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM AST
TUESDAY...

* WHAT...Choppy seas up to 7 feet with ocasional seas up to 9 
  feet and winds up to 20 knots expected.

* WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 
  19.5N.

* WHEN...Until 2 PM 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.

&&

$$
276 
WHCA72 TJSJ 060809
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
409 AM AST Mon Dec 6 2021

AMZ710-061615-
/O.CON.TJSJ.SC.Y.0048.000000T0000Z-211207T1800Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
409 AM AST Mon Dec 6 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM AST TUESDAY...

* WHAT...Choppy seas up to 7 feet with ocasional seas up to 9 
  feet and winds up to 20 knots expected.

* WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 
  19.5N.

* WHEN...Until 2 PM 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.

&&

$$
762 
WHCA72 TJSJ 061415
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
1015 AM AST Mon Dec 6 2021

AMZ710-062215-
/O.CON.TJSJ.SC.Y.0048.000000T0000Z-211207T1800Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
1015 AM AST Mon Dec 6 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM AST
TUESDAY...

* WHAT...Choppy seas up to 7 feet with ocasional seas up to 9 
  feet and winds up to 20 knots expected.

* WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 
  19.5N.

* WHEN...Until 2 PM 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.

&&

$$
096 
WHCA72 TJSJ 062024
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
424 PM AST Mon Dec 6 2021

AMZ710-070430-
/O.EXT.TJSJ.SC.Y.0048.000000T0000Z-211208T1800Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
424 PM AST Mon Dec 6 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 PM AST WEDNESDAY...

* WHAT...Choppy seas up to 7 feet with ocasional seas up to 9 
  feet and winds up to 20 knots expected.

* WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 
  19.5N.

* WHEN...Until 2 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.

&&

$$
042 
WHCA72 TJSJ 070051
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
851 PM AST Mon Dec 6 2021

AMZ710-070900-
/O.CON.TJSJ.SC.Y.0048.000000T0000Z-211208T1800Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
851 PM AST Mon Dec 6 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM AST
WEDNESDAY...

* WHAT...Choppy seas up to 7 feet with ocasional seas up to 9 
  feet and winds up to 20 knots expected.

* WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 
  19.5N.

* WHEN...Until 2 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.

&&

$$
759 
WHCA72 TJSJ 070817
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
417 AM AST Tue Dec 7 2021

AMZ710-070930-
/O.CAN.TJSJ.SC.Y.0048.000000T0000Z-211208T1800Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
417 AM AST Tue Dec 7 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

Latest buoy and altimeter data indicated that seas are below 7
feet across the offshore Atlantic waters. Therefore, the SCA was
cancelled.

$$

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.