Alert archive / Puerto Rico / Small Craft Advisories in 2021

Small Craft Advisory 33, NWS JSJ

August 11, 2021

NWS JSJ issued this small craft advisory at Aug 11, 2021, 3:55 AM CDT. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Aug 11, 2021, 3:55 AM CDT (08:55 UTC)
Expired
Aug 11, 2021, 7:23 AM CDT
In force
3 hr
Issued by
NWS JSJ

The text

As transmitted.

944 
WHCA72 TJSJ 110855
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
455 AM AST Wed Aug 11 2021

AMZ712-742-111200-
/O.CAN.TJSJ.TR.W.1006.000000T0000Z-000000T0000Z/
/O.NEW.TJSJ.SC.Y.0033.210811T0855Z-210811T1200Z/
Coastal Waters of Northern Puerto Rico out 10 NM-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
455 AM AST Wed Aug 11 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM AST THIS MORNING...
...TROPICAL STORM WARNING IS CANCELLED...

* WHAT...Southeast winds 10 to 20 kt with gusts up to 40 kt and
  seas 4 to 7 feet.

* WHERE...Coastal Waters of Northern Puerto Rico out 10 NM and 
  Coastal Waters of Northwestern Puerto Rico out 10 NM.

* WHEN...Until 8 AM AST this morning.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

AMZ710-111400-
/O.CAN.TJSJ.TR.W.1006.000000T0000Z-000000T0000Z/
/O.NEW.TJSJ.SC.Y.0033.210811T0855Z-210811T1400Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
455 AM AST Wed Aug 11 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM AST THIS MORNING...
...TROPICAL STORM WARNING IS CANCELLED...

* WHAT...Southeast winds 15 to 20 kt with gusts up to 40 kt and 
  seas 5 to 7 feet.

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

* WHEN...Until 10 AM AST this morning.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

AMZ715-722-725-732-735-745-111000-
/O.CAN.TJSJ.TR.W.1006.000000T0000Z-000000T0000Z/
Coastal Waters of Northern USVI and Culebra out 10 NM-
Anegada Passage Southward to 17N-
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico
out 10 NM-Caribbean Waters of Puerto Rico from 10 NM to 17N-
Coastal Waters of Southern Puerto Rico out 10 NM-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
455 AM AST Wed Aug 11 2021

...TROPICAL STORM WARNING IS CANCELLED...

However, small crafts should exercise caution.

$$

AMZ741-111700-
/O.CON.TJSJ.TR.W.1006.000000T0000Z-000000T0000Z/
Mona Passage Southward to 17N-
455 AM AST Wed Aug 11 2021

...TROPICAL STORM WARNING REMAINS IN EFFECT...

* WHAT...East winds 25 to 35 kt with gusts up to 45 kt and seas 7
  to 10 feet.

* WHERE...Caribbean and Atlantic waters, as well as across both 
  Anegada and Mona Passage.

* WHEN...Tropical Storm force winds possible through early this 
  morning.

* IMPACTS...Very strong winds will cause hazardous seas which 
  could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$
1 follow-up statement
410 
WHCA72 TJSJ 111223
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
823 AM AST Wed Aug 11 2021

AMZ741-111330-
/O.CAN.TJSJ.TR.W.1006.000000T0000Z-000000T0000Z/
Mona Passage Southward to 17N-
823 AM AST Wed Aug 11 2021

...TROPICAL STORM WARNING IS CANCELLED...

Mariners, should exercise caution across the Mona Passage.

$$

AMZ710-111330-
/O.CAN.TJSJ.SC.Y.0033.000000T0000Z-210811T1400Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
823 AM AST Wed Aug 11 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

Mariners, should exercise caution across the Atlantic Waters.

$$

AMZ712-742-111330-
/O.EXP.TJSJ.SC.Y.0033.000000T0000Z-210811T1200Z/
Coastal Waters of Northern Puerto Rico out 10 NM-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
823 AM AST Wed Aug 11 2021

...SMALL CRAFT ADVISORY HAS EXPIRED...

Mariners, should exercise caution.

$$

The office that day

Everything else NWS JSJ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 10, 10:18 PM CDTAreal Flood AdvisoryJSJ110 min
Aug 11, 12:12 AM CDTAreal Flood AdvisoryJSJ3 hr
Aug 11, 1:09 PM CDTAreal Flood AdvisoryJSJ2 hr

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.