Alert archive / Puerto Rico / Small Craft Advisories in 2021

Small Craft Advisory 7, NWS JSJ

February 3, 2021

NWS JSJ issued this small craft advisory at Feb 3, 2021, 8:34 AM CST. It took effect at Feb 3, 2021, 4:00 PM CST. It was in force for 26 hr.

The area

The counties it named.

The facts

Issued
Feb 3, 2021, 8:34 AM CST (14:34 UTC)
In effect from
Feb 3, 2021, 4:00 PM CST
Expired
Feb 4, 2021, 6:00 PM CST
In force
26 hr
Issued by
NWS JSJ

The text

As transmitted.

396 
WHCA72 TJSJ 031434
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
1034 AM AST Wed Feb 3 2021

AMZ741-032245-
/O.NEW.TJSJ.SC.Y.0007.210203T2200Z-210205T0000Z/
Mona Passage Southward to 17N-
1034 AM AST Wed Feb 3 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 8 PM
AST THURSDAY...

* WHAT...Seas 5 to 7 feet with occasional seas up to 9 feet.

* WHERE...Mona Passage Southward to 17N.

* WHEN...From 6 PM this evening to 8 PM AST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ742-032245-
/O.NEW.TJSJ.SC.Y.0007.210204T0600Z-210205T0000Z/
Coastal Waters of Northwestern Puerto Rico out 10 NM-
1034 AM AST Wed Feb 3 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM TO 8 PM AST
THURSDAY...

* WHAT...Seas 5 to 7 feet expected with occasional seas up to 9
  feet.

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

* WHEN...From 2 AM to 8 PM AST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ710-032245-
/O.CON.TJSJ.SC.Y.0004.000000T0000Z-210206T1800Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
1034 AM AST Wed Feb 3 2021

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

* WHAT...Seas of 5 to 7 feet, building to 8 to 10 feet, with
  occasional seas up to 11 feet, by tonight due to the arrival of
  a northwesterly swell.

* WHERE...Offshore Atlantic waters.

* WHEN...Until 2 PM 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.

&&

$$

AMZ712-032245-
/O.CON.TJSJ.SC.Y.0005.210204T0000Z-210205T0000Z/
Coastal Waters of Northern Puerto Rico out 10 NM-
1034 AM AST Wed Feb 3 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 8 PM AST THURSDAY...

* WHAT...Seas building 5 to 8 feet expected due to the arrival of
  a northwesterly swell.

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

* WHEN...From 8 PM this evening to 8 PM AST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ715-032245-
/O.CON.TJSJ.SC.Y.0006.210204T1200Z-210205T0000Z/
Coastal Waters of Northern USVI and Culebra out 10 NM-
1034 AM AST Wed Feb 3 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM AST
THURSDAY...

* WHAT...Seas 5 to 7 feet with occasional seas to 9 feet 
  expected by Thursday morning.

* WHERE...Coastal Waters of Northern USVI and Culebra out 10 NM.

* WHEN...From 8 AM to 8 PM AST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
5 follow-up statements
320 
WHCA72 TJSJ 032028
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
428 PM AST Wed Feb 3 2021

AMZ715-040430-
/O.EXT.TJSJ.SC.Y.0006.210204T0600Z-210205T0000Z/
Coastal Waters of Northern USVI and Culebra out 10 NM-
428 PM AST Wed Feb 3 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 2 AM TO 8 PM AST
THURSDAY...

* WHAT...Seas 5 to 7 feet with occasional seas to 9 feet 
  expected by Thursday morning.

* WHERE...Coastal Waters of Northern USVI and Culebra out 10 NM.

* WHEN...From 2 AM to 8 PM AST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ710-040430-
/O.CON.TJSJ.SC.Y.0004.000000T0000Z-210206T1800Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
428 PM AST Wed Feb 3 2021

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

* WHAT...Seas of 8 to 10 feet, with occasional seas up to 11 feet.

* WHERE...Offshore Atlantic waters.

* WHEN...Until 2 PM 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.

&&

$$

AMZ741-040430-
/O.CON.TJSJ.SC.Y.0007.210203T2200Z-210205T0000Z/
Mona Passage Southward to 17N-
428 PM AST Wed Feb 3 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM AST
THURSDAY...

* WHAT...Seas of 5 to 7 feet with occasional seas up to 9 feet.

* WHERE...Mona Passage Southward to 17N.

* WHEN...From 6 PM this evening to 8 PM AST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ712-040430-
/O.CON.TJSJ.SC.Y.0005.210204T0000Z-210205T0000Z/
Coastal Waters of Northern Puerto Rico out 10 NM-
428 PM AST Wed Feb 3 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 8 PM AST THURSDAY...

* WHAT...Seas of 5 to 8 feet, with occasional seas up to 10 feet.

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

* WHEN...From 8 PM this evening to 8 PM AST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ742-040430-
/O.CON.TJSJ.SC.Y.0007.210204T0600Z-210205T0000Z/
Coastal Waters of Northwestern Puerto Rico out 10 NM-
428 PM AST Wed Feb 3 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 PM AST
THURSDAY...

* WHAT...Seas of 5 to 7 feet expected with occasional seas up to 
  9 feet.

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

* WHEN...From 2 AM to 8 PM AST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
064 
WHCA72 TJSJ 040117
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
917 PM AST Wed Feb 3 2021

AMZ712-040930-
/O.CON.TJSJ.SC.Y.0005.000000T0000Z-210205T0000Z/
Coastal Waters of Northern Puerto Rico out 10 NM-
917 PM AST Wed Feb 3 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM AST
THURSDAY...

* WHAT...Seas building 5 to 8 feet, with occasional seas up to 10
  feet.

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

* WHEN...Until to 8 PM AST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ710-040930-
/O.CON.TJSJ.SC.Y.0004.000000T0000Z-210206T1800Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
917 PM AST Wed Feb 3 2021

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

* WHAT...Seas building 8 to 10 feet, with occasional seas up to 
  11 feet.

* WHERE...Offshore Atlantic waters.

* WHEN...Until 2 PM 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.

&&

$$

AMZ741-040930-
/O.CON.TJSJ.SC.Y.0007.000000T0000Z-210205T0000Z/
Mona Passage Southward to 17N-
917 PM AST Wed Feb 3 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM AST
THURSDAY...

* WHAT...Seas building 5 to 7 feet with occasional seas up to 9 
  feet.

* WHERE...Mona Passage Southward to 17N.

* WHEN...UNTIL 8 PM AST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ715-040930-
/O.CON.TJSJ.SC.Y.0006.210204T0600Z-210205T0000Z/
Coastal Waters of Northern USVI and Culebra out 10 NM-
917 PM AST Wed Feb 3 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 PM AST
THURSDAY...

* WHAT...Seas 5 to 7 feet with occasional seas to 9 feet 
  expected by Thursday morning.

* WHERE...Coastal Waters of Northern USVI and Culebra out 10 NM.

* WHEN...From 2 AM to 8 PM AST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ742-040930-
/O.CON.TJSJ.SC.Y.0007.210204T0600Z-210205T0000Z/
Coastal Waters of Northwestern Puerto Rico out 10 NM-
917 PM AST Wed Feb 3 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 PM AST
THURSDAY...

* WHAT...Seas of 5 to 7 feet expected with occasional seas up to 
  9 feet.

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

* WHEN...From 2 AM to 8 PM AST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
023 
WHCA72 TJSJ 040919
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
357 AM AST Thu Feb 4 2021

AMZ712-041600-
/O.CON.TJSJ.SC.Y.0005.000000T0000Z-210205T0000Z/
Coastal Waters of Northern Puerto Rico out 10 NM-
357 AM AST Thu Feb 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM AST THIS
EVENING...

* WHAT...Seas building 5 to 8 feet, with occasional seas up to 
  10 feet.

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

* WHEN...Until 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.

&&

$$

AMZ710-041600-
/O.CON.TJSJ.SC.Y.0004.000000T0000Z-210206T1800Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
357 AM AST Thu Feb 4 2021

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

* WHAT...Seas building 8 to 10 feet, with occasional seas up to 
  11 feet.

* WHERE...Offshore Atlantic waters.

* WHEN...Until 2 PM 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.

&&

$$

AMZ715-041600-
/O.CON.TJSJ.SC.Y.0006.000000T0000Z-210205T0000Z/
Coastal Waters of Northern USVI and Culebra out 10 NM-
357 AM AST Thu Feb 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM AST THIS
EVENING...

* WHAT...Seas 5 to 7 feet with occasional seas up to 9 feet.
 
* WHERE...Coastal Waters of Northern USVI and Culebra 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.

&&

$$

AMZ741-742-041600-
/O.CON.TJSJ.SC.Y.0007.000000T0000Z-210205T0000Z/
Mona Passage Southward to 17N-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
357 AM AST Thu Feb 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM AST THIS
EVENING...

* WHAT...Seas building 5 to 7 feet with occasional seas up to 9 
  feet.

* WHERE...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.

&&

$$
219 
WHCA72 TJSJ 041400
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
1000 AM AST Thu Feb 4 2021

AMZ712-042200-
/O.CON.TJSJ.SC.Y.0005.000000T0000Z-210205T0000Z/
Coastal Waters of Northern Puerto Rico out 10 NM-
1000 AM AST Thu Feb 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM AST THIS
EVENING...

* WHAT...Seas building 6 to 8 feet, with occasional seas up to 10
  feet.

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

* WHEN...Until 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.

&&

$$

AMZ710-042200-
/O.CON.TJSJ.SC.Y.0004.000000T0000Z-210206T1800Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
1000 AM AST Thu Feb 4 2021

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

* WHAT...Seas building 8 to 10 feet, with occasional seas up to 
  11 feet.

* WHERE...Offshore Atlantic waters.

* WHEN...Until 2 PM 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.

&&

$$

AMZ715-042200-
/O.CON.TJSJ.SC.Y.0006.000000T0000Z-210205T0000Z/
Coastal Waters of Northern USVI and Culebra out 10 NM-
1000 AM AST Thu Feb 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM AST THIS
EVENING...

* WHAT...Seas 5 to 7 feet with occasional seas up to 9 feet.

* WHERE...Coastal Waters of Northern USVI and Culebra 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.

&&

$$

AMZ741-742-042200-
/O.CON.TJSJ.SC.Y.0007.000000T0000Z-210205T0000Z/
Mona Passage Southward to 17N-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
1000 AM AST Thu Feb 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM AST THIS
EVENING...

* WHAT...Seas building 4 to 7 feet with occasional seas up to 8 
  feet.

* WHERE...Mona Passage and coastal waters of northwestern Puerto 
  Rico.

* 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.

&&

$$
601 
WHCA72 TJSJ 042033
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
433 PM AST Thu Feb 4 2021

AMZ712-050445-
/O.EXT.TJSJ.SC.Y.0005.000000T0000Z-210205T1200Z/
Coastal Waters of Northern Puerto Rico out 10 NM-
433 PM AST Thu Feb 4 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 AM AST FRIDAY...

* WHAT...Seas of 5 to 7 feet, with occasional seas up to 9 feet.

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

* WHEN...Until 8 AM AST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ710-050445-
/O.EXT.TJSJ.SC.Y.0004.000000T0000Z-210207T1800Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
433 PM AST Thu Feb 4 2021

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

* WHAT...Seas of 8 to 10 feet, with occasional seas up to 11 
  feet.

* WHERE...Offshore Atlantic waters.

* WHEN...Until 2 PM AST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ715-050445-
/O.EXT.TJSJ.SC.Y.0006.000000T0000Z-210205T1200Z/
Coastal Waters of Northern USVI and Culebra out 10 NM-
433 PM AST Thu Feb 4 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 AM AST FRIDAY...

* WHAT...Seas of 5 to 7 feet, with occasional seas up to 9 feet.

* WHERE...Coastal Waters of Northern USVI and Culebra out 10 NM.

* WHEN...Until 8 AM AST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ741-742-050000-
/O.CON.TJSJ.SC.Y.0007.000000T0000Z-210205T0000Z/
Mona Passage Southward to 17N-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
433 PM AST Thu Feb 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM AST THIS
EVENING...

* WHAT...Seas of 5 to 7 feet, with occasional seas up to 9 feet.

* WHERE...Mona Passage and coastal waters of northwestern Puerto 
  Rico.

* 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.

&&

$$

The office that day

Everything else NWS JSJ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 3, 2:15 AM CSTSmall Craft AdvisoryJSJ47 hr
Feb 3, 3:43 AM CSTRip Current StatementJSJ5 days
Feb 3, 9:03 AM CSTHigh Surf AdvisoryJSJ31 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.