Alert archive / Puerto Rico / Small Craft Advisories in 2021

Small Craft Advisory 17, NWS JSJ

March 15, 2021

NWS JSJ issued this small craft advisory at Mar 15, 2021, 3:04 PM CDT. It took effect at Mar 17, 2021, 1:00 AM CDT. It was in force for 3 days.

The area

The counties it named.

The facts

Issued
Mar 15, 2021, 3:04 PM CDT (20:04 UTC)
In effect from
Mar 17, 2021, 1:00 AM CDT
Expired
Mar 20, 2021, 1:00 AM CDT
In force
3 days
Issued by
NWS JSJ

The text

As transmitted.

937 
WHCA72 TJSJ 152004
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
404 PM AST Mon Mar 15 2021

AMZ710-160415-
/O.NEW.TJSJ.SC.Y.0016.210317T0600Z-210319T1200Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
404 PM AST Mon Mar 15 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM WEDNESDAY TO 8 AM AST
FRIDAY...

* WHAT...East winds 15 to 20 kt with gusts up to 25 kt and seas 
  7 to 10 feet expected.

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

* WHEN...From 2 AM Wednesday to 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.

&&

$$

AMZ712-715-722-741-160415-
/O.NEW.TJSJ.SC.Y.0016.210317T1200Z-210319T1200Z/
Coastal Waters of Northern Puerto Rico out 10 NM-
Coastal Waters of Northern USVI and Culebra out 10 NM-
Anegada Passage Southward to 17N-Mona Passage Southward to 17N-
404 PM AST Mon Mar 15 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM WEDNESDAY TO 8 AM AST
FRIDAY...

* WHAT...Seas 6 to 9 feet expected.

* WHERE...Coastal Waters of Northern Puerto Rico out 10 NM, 
  Coastal Waters of Northern USVI and Culebra out 10 NM, Anegada 
  Passage Southward to 17N and Mona Passage Southward to 17N.

* WHEN...From 8 AM Wednesday to 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.

&&

$$

AMZ742-160415-
/O.NEW.TJSJ.SC.Y.0016.210317T1800Z-210319T1200Z/
Coastal Waters of Northwestern Puerto Rico out 10 NM-
404 PM AST Mon Mar 15 2021

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

* WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and 
  seas 6 to 9 feet expected.

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

* WHEN...From 2 PM Wednesday to 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.

&&

$$
17 follow-up statements
751 
WHCA72 TJSJ 160137
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
937 PM AST Mon Mar 15 2021

AMZ710-160945-
/O.CAN.TJSJ.SC.Y.0016.210317T0600Z-210319T1200Z/
/O.CON.TJSJ.SC.Y.0017.210317T0600Z-210319T1200Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
937 PM AST Mon Mar 15 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM WEDNESDAY TO
8 AM AST FRIDAY...

* WHAT...Expect east to northeast winds at 15 to 20 kt with 
  higher gusts and seas at 6 to 10 feet.

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

* WHEN...From 2 AM Wednesday to 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.

&&

$$

AMZ712-715-722-741-160945-
/O.CON.TJSJ.SC.Y.0016.210317T1200Z-210319T1200Z/
Coastal Waters of Northern Puerto Rico out 10 NM-
Coastal Waters of Northern USVI and Culebra out 10 NM-
Anegada Passage Southward to 17N-Mona Passage Southward to 17N-
937 PM AST Mon Mar 15 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM WEDNESDAY TO
8 AM AST FRIDAY...

* WHAT...Expect east to northeast winds at 15 to 20 kt with higher
  gusts and Seas at 6 to 10 feet.

* WHERE...Atlantic Coastal Waters of Puerto Rico, the Northern
  USVI and Culebra, the Anegada Passage Southward to 17N and the
  Mona Passage Southward to 17N.

* WHEN...From 8 AM Wednesday to 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.

&&

$$

AMZ742-160945-
/O.CON.TJSJ.SC.Y.0016.210317T1800Z-210319T1200Z/
Coastal Waters of Northwestern Puerto Rico out 10 NM-
937 PM AST Mon Mar 15 2021

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

* WHAT...Expect east to northeast winds at 15 to 20 kt with higher
  gusts and seas at 6 to 10 feet.

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

* WHEN...From 2 PM Wednesday to 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.

&&

$$
638 
WHCA72 TJSJ 160823
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
423 AM AST Tue Mar 16 2021

AMZ710-161630-
/O.CON.TJSJ.SC.Y.0017.210317T0600Z-210319T1200Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
423 AM AST Tue Mar 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM WEDNESDAY TO
8 AM AST FRIDAY...

* WHAT...Expect east to northeast winds at 15 to 20 kt with higher
  gusts and seas increasing to between 6 to 10 feet.

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

* WHEN...From 2 AM Wednesday to 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.

&&

$$

AMZ712-715-722-741-161630-
/O.CON.TJSJ.SC.Y.0016.210317T1200Z-210319T1200Z/
Coastal Waters of Northern Puerto Rico out 10 NM-
Coastal Waters of Northern USVI and Culebra out 10 NM-
Anegada Passage Southward to 17N-Mona Passage Southward to 17N-
423 AM AST Tue Mar 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM WEDNESDAY TO
8 AM AST FRIDAY...

* WHAT...Expect east to northeast winds at 15 to 20 kt with higher
  gusts and seas increasing to between 6 to 10 feet.

* WHERE...Atlantic Coastal Waters of Puerto Rico, the Northern 
  USVI and Culebra, the Anegada Passage Southward to 17N and the 
  Mona Passage Southward to 17N.

* WHEN...From 8 AM Wednesday to 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.

&&

$$

AMZ742-161630-
/O.CON.TJSJ.SC.Y.0016.210317T1800Z-210319T1200Z/
Coastal Waters of Northwestern Puerto Rico out 10 NM-
423 AM AST Tue Mar 16 2021

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

* WHAT...Expect east to northeast winds at 15 to 20 kt with higher
  gusts and seas increasing to between 6 to 10 feet.

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

* WHEN...From 2 PM Wednesday to 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.

&&

$$
765 
WHCA72 TJSJ 161330
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
930 AM AST Tue Mar 16 2021

AMZ710-162130-
/O.CON.TJSJ.SC.Y.0017.210317T0600Z-210319T1200Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
930 AM AST Tue Mar 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM WEDNESDAY TO
8 AM AST FRIDAY...

* WHAT...Expect east to northeast winds at 15 to 20 kt with 
  higher gusts and seas increasing to between 6 to 10 feet.

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

* WHEN...From 2 AM Wednesday to 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.

&&

$$

AMZ712-715-722-741-162130-
/O.CON.TJSJ.SC.Y.0016.210317T1200Z-210319T1200Z/
Coastal Waters of Northern Puerto Rico out 10 NM-
Coastal Waters of Northern USVI and Culebra out 10 NM-
Anegada Passage Southward to 17N-Mona Passage Southward to 17N-
930 AM AST Tue Mar 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM WEDNESDAY TO
8 AM AST FRIDAY...

* WHAT...Expect east to northeast winds at 15 to 20 kt with 
  higher gusts and seas increasing to between 6 to 10 feet.

* WHERE...Atlantic Coastal Waters of Puerto Rico, the Northern 
  USVI and Culebra, the Anegada Passage Southward to 17N and the 
  Mona Passage Southward to 17N.

* WHEN...From 8 AM Wednesday to 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.

&&

$$

AMZ742-162130-
/O.CON.TJSJ.SC.Y.0016.210317T1800Z-210319T1200Z/
Coastal Waters of Northwestern Puerto Rico out 10 NM-
930 AM AST Tue Mar 16 2021

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

* WHAT...Expect east to northeast winds at 15 to 20 kt with 
  higher gusts and seas increasing to between 6 to 10 feet.

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

* WHEN...From 2 PM Wednesday to 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.

&&

$$
144 
WHCA72 TJSJ 162011
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
411 PM AST Tue Mar 16 2021

AMZ725-732-170415-
/O.EXB.TJSJ.SC.Y.0016.210317T1200Z-210319T0000Z/
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico
out 10 NM-
Caribbean Waters of Puerto Rico from 10 NM to 17N-
411 PM AST Tue Mar 16 2021

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

* WHAT...Expect seas increasing to between 7 to 11 feet and east
  to northeast winds at 15 to 20 kt with higher gusts.

* WHERE...Coastal Waters of Southern USVI, Vieques, and Eastern
  Puerto Rico out 10 NM and the Caribbean Waters of Puerto Rico 
  from 10 NM to 17N. 

* WHEN...From 8 AM Wednesday 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.

&&

$$

AMZ745-170415-
/O.EXB.TJSJ.SC.Y.0016.210318T0000Z-210319T0000Z/
Coastal Waters of Southwestern Puerto Rico out 10 NM-
411 PM AST Tue Mar 16 2021

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

* WHAT...Expect seas increasing to between 6 to 10 feet and east
  to northeast winds at 15 to 20 kt with higher gusts.

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

* WHEN...From 8 PM Wednesday 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.

&&

$$

AMZ712-170415-
/O.EXT.TJSJ.SC.Y.0016.210317T0600Z-210319T1200Z/
Coastal Waters of Northern Puerto Rico out 10 NM-
411 PM AST Tue Mar 16 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 2 AM WEDNESDAY TO 8 AM
AST FRIDAY...

* WHAT...Expect seas increasing to between 8 to 12 feet and east
  to northeast winds at 15 to 20 kt with higher gusts.

* WHERE...Atlantic Coastal Waters of Puerto Rico.

* WHEN...From 2 AM Wednesday to 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.

&&

$$

AMZ742-170415-
/O.EXT.TJSJ.SC.Y.0016.210317T1200Z-210319T1200Z/
Coastal Waters of Northwestern Puerto Rico out 10 NM-
411 PM AST Tue Mar 16 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM WEDNESDAY TO 8 AM
AST FRIDAY...

* WHAT...Expect seas increasing to between 8 to 12 feet and east 
  to northeast winds at 15 to 20 kt with higher gusts.

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

* WHEN...From 8 AM Wednesday to 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.

&&

$$

AMZ710-170415-
/O.CON.TJSJ.SC.Y.0017.210317T0600Z-210319T1200Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
411 PM AST Tue Mar 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM WEDNESDAY TO
8 AM AST FRIDAY...

* WHAT...Expect seas increasing to between 8 to 12 feet and east 
  to northeast winds at 15 to 20 kt with higher gusts.

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

* WHEN...From 2 AM Wednesday to 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.

&&

$$

AMZ715-722-741-170415-
/O.CON.TJSJ.SC.Y.0016.210317T1200Z-210319T1200Z/
Coastal Waters of Northern USVI and Culebra out 10 NM-
Anegada Passage Southward to 17N-Mona Passage Southward to 17N-
411 PM AST Tue Mar 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM WEDNESDAY TO
8 AM AST FRIDAY...

* WHAT...Expect seas increasing to between 6 to 12 feet and east
  to northeast winds at 15 to 20 kt with higher gusts.

* WHERE...Atlantic Coastal Waters of the Northern USVI and 
  Culebra, the Anegada Passage Southward to 17N and the Mona 
  Passage Southward to 17N.

* WHEN...From 8 AM Wednesday to 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.

&&

$$
985 
WHCA72 TJSJ 170125
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
925 PM AST Tue Mar 16 2021

AMZ722-741-170930-
/O.EXT.TJSJ.SC.Y.0016.210317T0600Z-210319T1200Z/
Anegada Passage Southward to 17N-Mona Passage Southward to 17N-
925 PM AST Tue Mar 16 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 2 AM WEDNESDAY TO 8 AM
AST FRIDAY...

* WHAT...Expect seas increasing to between 8 to 12 feet and east 
  to northeast winds at 15 to 20 kt with higher gusts.

* WHERE...The Anegada Passage Southward to 17N and the Mona 
  Passage Southward to 17N.

* WHEN...From 2 AM Wednesday to 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.

&&

$$

AMZ712-170930-
/O.CON.TJSJ.SC.Y.0016.210317T0600Z-210319T1200Z/
Coastal Waters of Northern Puerto Rico out 10 NM-
925 PM AST Tue Mar 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM WEDNESDAY TO
8 AM AST FRIDAY...

* WHAT...Expect seas increasing to between 8 to 12 feet and east 
  to northeast winds at 15 to 20 kt with higher gusts.

* WHERE...Atlantic Coastal Waters of Puerto Rico.

* WHEN...From 2 AM Wednesday to 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.

&&

$$

AMZ710-170930-
/O.CON.TJSJ.SC.Y.0017.210317T0600Z-210319T1200Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
925 PM AST Tue Mar 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM WEDNESDAY TO
8 AM AST FRIDAY...

* WHAT...Expect seas increasing to between 8 to 12 feet and east 
  to northeast winds at 15 to 20 kt with higher gusts.

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

* WHEN...From 2 AM Wednesday to 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.

&&

$$

AMZ725-732-170930-
/O.CON.TJSJ.SC.Y.0016.210317T1200Z-210319T0000Z/
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico
out 10 NM-
Caribbean Waters of Puerto Rico from 10 NM to 17N-
925 PM AST Tue Mar 16 2021

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

* WHAT...Expect seas increasing to between 6 to 10 feet and east 
  to northeast winds at 15 to 20 kt with higher gusts.

* WHERE...Coastal Waters of Southern USVI, Vieques, and Eastern 
  Puerto Rico out 10 NM and the Caribbean Waters of Puerto Rico 
  from 10 NM to 17N.

* WHEN...From 8 AM Wednesday 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.

&&

$$

AMZ715-742-170930-
/O.CON.TJSJ.SC.Y.0016.210317T1200Z-210319T1200Z/
Coastal Waters of Northern USVI and Culebra out 10 NM-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
925 PM AST Tue Mar 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM WEDNESDAY TO
8 AM AST FRIDAY...

* WHAT...Expect seas increasing to between 8 to 12 feet and east 
  to northeast winds at 15 to 20 kt with higher gusts.

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

* WHEN...From 8 AM Wednesday to 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.

&&

$$

AMZ745-170930-
/O.CON.TJSJ.SC.Y.0016.210318T0000Z-210319T0000Z/
Coastal Waters of Southwestern Puerto Rico out 10 NM-
925 PM AST Tue Mar 16 2021

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

* WHAT...Expect seas increasing to between 6 to 10 feet and east 
  to northeast winds at 15 to 20 kt with higher gusts.

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

* WHEN...From 8 PM Wednesday 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.

&&

$$
097 
WHCA72 TJSJ 170840
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
440 AM AST Wed Mar 17 2021

AMZ712-722-741-171645-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210319T1200Z/
Coastal Waters of Northern Puerto Rico out 10 NM-
Anegada Passage Southward to 17N-Mona Passage Southward to 17N-
440 AM AST Wed Mar 17 2021

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

* WHAT...Expect building seas to between 8 to 12 feet and  
  northeast winds at 15 to 20 kt with higher gusts.

* WHERE...The Coastal waters of Northern Puerto Rico, Anegada 
  Passage Southward to 17N and the Mona Passage Southward to 17N.

* WHEN...Today at least 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.

&&

$$

AMZ710-171645-
/O.CON.TJSJ.SC.Y.0017.000000T0000Z-210319T1200Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
440 AM AST Wed Mar 17 2021

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

* WHAT...Expect building seas to between 8 to 12 feet and  
  northeast winds at 15 to 20 kt with higher gusts.

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

* WHEN...Today until at least 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.

&&

$$

AMZ725-732-171645-
/O.CON.TJSJ.SC.Y.0016.210317T1200Z-210319T0000Z/
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico
out 10 NM-
Caribbean Waters of Puerto Rico from 10 NM to 17N-
440 AM AST Wed Mar 17 2021

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

* WHAT...Expect building seas to between 6 to 10 feet and  
  northeast winds at 15 to 20 kt with higher gusts.

* WHERE...Coastal Waters of Southern USVI, Vieques, and Eastern 
  Puerto Rico out 10 NM and the Caribbean Waters of Puerto Rico 
  from 10 NM to 17N.

* WHEN...From 8 AM Wednesday 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.

&&

$$

AMZ715-742-171645-
/O.CON.TJSJ.SC.Y.0016.210317T1200Z-210319T1200Z/
Coastal Waters of Northern USVI and Culebra out 10 NM-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
440 AM AST Wed Mar 17 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING
TO 8 AM AST FRIDAY...

* WHAT...Expect building seas to between 8 to 12 feet and  
  northeast winds at 15 to 20 kt with higher gusts.

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

* WHEN...Today at least 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.

&&

$$

AMZ745-171645-
/O.CON.TJSJ.SC.Y.0016.210318T0000Z-210319T0000Z/
Coastal Waters of Southwestern Puerto Rico out 10 NM-
440 AM AST Wed Mar 17 2021

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

* WHAT...Expect building seas to between 6 to 10 feet and 
  northeast winds at 15 to 20 kt with higher gusts.

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

* WHEN...Today at least 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.

&&

$$
649 
WHCA72 TJSJ 171444
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
1044 AM AST Wed Mar 17 2021

AMZ712-715-722-741-742-172245-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210319T1200Z/
Coastal Waters of Northern Puerto Rico out 10 NM-
Coastal Waters of Northern USVI and Culebra out 10 NM-
Anegada Passage Southward to 17N-Mona Passage Southward to 17N-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
1044 AM AST Wed Mar 17 2021

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

* WHAT...Expect building seas to between 8 to 12 feet and 
  northeast winds at 15 to 20 kt with higher gusts.

* WHERE...The Coastal waters of Northern Puerto Rico, Anegada 
  Passage Southward to 17N and the Mona Passage Southward to 17N.

* WHEN...Through 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.

&&

$$

AMZ725-732-172245-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210319T0000Z/
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico
out 10 NM-
Caribbean Waters of Puerto Rico from 10 NM to 17N-
1044 AM AST Wed Mar 17 2021

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

* WHAT...Expect building seas to between 6 to 10 feet and 
  northeast winds at 15 to 20 kt with higher gusts.

* WHERE...Coastal Waters of Southern USVI, Vieques, and Eastern 
  Puerto Rico out 10 NM and the Caribbean Waters of Puerto Rico 
  from 10 NM to 17N.

* WHEN...Through 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.

&&

$$

AMZ710-172245-
/O.CON.TJSJ.SC.Y.0017.000000T0000Z-210319T1200Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
1044 AM AST Wed Mar 17 2021

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

* WHAT...Expect building seas to between 8 to 12 feet and 
  northeast winds at 15 to 20 kt with higher gusts.

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

* WHEN...Through 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.

&&

$$

AMZ745-172245-
/O.CON.TJSJ.SC.Y.0016.210318T0000Z-210319T0000Z/
Coastal Waters of Southwestern Puerto Rico out 10 NM-
1044 AM AST Wed Mar 17 2021

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

* WHAT...Expect building seas to between 6 to 8 feet and 
  northeast winds at 15 to 20 kt with higher gusts.

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

* WHEN...From 8 PM this evening through 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.

&&

$$
430 
WHCA72 TJSJ 172009
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
409 PM AST Wed Mar 17 2021

AMZ722-180415-
/O.EXT.TJSJ.SC.Y.0016.000000T0000Z-210320T0000Z/
Anegada Passage Southward to 17N-
409 PM AST Wed Mar 17 2021

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

* WHAT...Expect seas between 8 to 12 feet and northeast winds at 
  15 to 20 kt with higher gusts.

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

* WHEN...Until 8 PM 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.

&&

$$

AMZ710-180415-
/O.EXT.TJSJ.SC.Y.0017.000000T0000Z-210320T0000Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
409 PM AST Wed Mar 17 2021

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

* WHAT...Expect seas between 8 to 12 feet and northeast winds at 
  15 to 20 kt with higher gusts.

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

* WHEN...Until 8 PM 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.

&&

$$

AMZ725-732-180415-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210319T0000Z/
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico
out 10 NM-
Caribbean Waters of Puerto Rico from 10 NM to 17N-
409 PM AST Wed Mar 17 2021

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

* WHAT...Expect seas between 6 to 10 feet and northeast winds at 
  15 to 20 kt with higher gusts.

* WHERE...Coastal Waters of Southern USVI, Vieques, and Eastern 
  Puerto Rico out 10 NM and the Caribbean Waters of Puerto Rico 
  from 10 NM to 17N.

* WHEN...Through 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.

&&

$$

AMZ712-715-741-742-180415-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210319T1200Z/
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-
409 PM AST Wed Mar 17 2021

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

* WHAT...Expect seas between 8 to 12 feet and northeast winds at 
  15 to 20 kt with higher gusts.

* WHERE...The coastal waters of northern Puerto Rico, Culebra, and
  the USVI, as well as northwest Puerto Rico, and the Mona 
  Passage Southward to 17N.

* WHEN...Through 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.

&&

$$

AMZ745-180415-
/O.CON.TJSJ.SC.Y.0016.210318T0000Z-210319T0000Z/
Coastal Waters of Southwestern Puerto Rico out 10 NM-
409 PM AST Wed Mar 17 2021

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

* WHAT...Expect building seas to between 6 to 8 feet and 
  northeast winds at 15 to 20 kt with higher gusts.

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

* WHEN...From 8 PM this evening through 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.

&&

$$
615 
WHCA72 TJSJ 180112
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
912 PM AST Wed Mar 17 2021

AMZ722-180915-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210320T0000Z/
Anegada Passage Southward to 17N-
912 PM AST Wed Mar 17 2021

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

* WHAT...Expect seas between 8 to 12 feet and northeast winds at 
  15 to 20 kt with higher gusts.

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

* WHEN...Until 8 PM 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.

&&

$$

AMZ725-732-745-180915-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210319T0000Z/
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 Southwestern Puerto Rico out 10 NM-
912 PM AST Wed Mar 17 2021

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

* WHAT...Expect seas between 6 to 10 feet and northeast winds at 
  15 to 20 kt with higher gusts.

* WHERE...Coastal Waters of Southern USVI, Vieques, and Eastern
  Puerto Rico out 10 NM, the Coastal Waters of Southwestern Puerto
  Rico, and the Caribbean Waters of Puerto Rico from 10 NM to 
  17N.

* WHEN...Through 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.

&&

$$

AMZ712-715-741-742-180915-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210319T1200Z/
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-
912 PM AST Wed Mar 17 2021

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

* WHAT...Expect seas between 8 to 12 feet and northeast winds at 
  15 to 20 kt with higher gusts.

* WHERE...The coastal waters of northern Puerto Rico, Culebra, 
  and the USVI, as well as northwest Puerto Rico, and the Mona 
  Passage Southward to 17N.

* WHEN...Through 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.

&&

$$

AMZ710-180915-
/O.CON.TJSJ.SC.Y.0017.000000T0000Z-210320T0000Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
912 PM AST Wed Mar 17 2021

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

* WHAT...Expect seas between 8 to 12 feet and northeast winds at 
  15 to 20 kt with higher gusts.

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

* WHEN...Until 8 PM 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.

&&

$$
967 
WHCA72 TJSJ 180905
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
505 AM AST Thu Mar 18 2021

AMZ722-181715-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210320T0000Z/
Anegada Passage Southward to 17N-
505 AM AST Thu Mar 18 2021

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

* WHAT...Expect seas between 8 to 12 feet and northeast winds at 
  15 to 20 kt with higher gusts.

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

* WHEN...Until 8 PM 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.

&&

$$

AMZ725-732-745-181715-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210319T0000Z/
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 Southwestern Puerto Rico out 10 NM-
505 AM AST Thu Mar 18 2021

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

* WHAT...Expect seas between 6 to 10 feet and northeast winds at 
  15 to 20 kt with higher gusts.

* WHERE...Coastal Waters of Southern USVI, Vieques, and Eastern 
  Puerto Rico out 10 NM, the Coastal Waters of Southwestern 
  Puerto Rico, and the Caribbean Waters of Puerto Rico from 10 
  NM to 17N.

* WHEN...Through 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.

&&

$$

AMZ712-715-741-742-181715-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210319T1200Z/
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-
505 AM AST Thu Mar 18 2021

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

* WHAT...Expect seas between 8 to 12 feet and northeast winds at 
  15 to 20 kt with higher gusts.

* WHERE...The coastal waters of northern Puerto Rico, Culebra, 
  and the USVI, as well as northwest Puerto Rico, and the Mona 
  Passage Southward to 17N.

* WHEN...Through 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.

&&

$$

AMZ710-181715-
/O.CON.TJSJ.SC.Y.0017.000000T0000Z-210320T0000Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
505 AM AST Thu Mar 18 2021

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

* WHAT...Expect seas between 8 to 12 feet and northeast winds at 
  15 to 20 kt with higher gusts.

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

* WHEN...Until 8 PM 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.

&&

$$
651 
WHCA72 TJSJ 181339
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
939 AM AST Thu Mar 18 2021

AMZ722-182145-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210320T0000Z/
Anegada Passage Southward to 17N-
939 AM AST Thu Mar 18 2021

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

* WHAT...Expect seas between 8 to 12 feet and northeast winds at 
  15 to 20 kt with higher gusts.

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

* WHEN...Until 8 PM 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.

&&

$$

AMZ725-732-745-182145-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210319T0000Z/
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 Southwestern Puerto Rico out 10 NM-
939 AM AST Thu Mar 18 2021

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

* WHAT...Expect seas between 6 to 10 feet and northeast winds at 
  15 to 20 kt with higher gusts.

* WHERE...Coastal Waters of Southern USVI, Vieques, and Eastern 
  Puerto Rico out 10 NM, the Coastal Waters of Southwestern 
  Puerto Rico, and the Caribbean Waters of Puerto Rico from 10 
  NM to 17N.

* WHEN...Through 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.

&&

$$

AMZ712-715-741-742-182145-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210319T1200Z/
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-
939 AM AST Thu Mar 18 2021

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

* WHAT...Expect seas between 8 to 12 feet and northeast winds at 
  15 to 20 kt with higher gusts.

* WHERE...The coastal waters of northern Puerto Rico, Culebra, 
  and the USVI, as well as northwest Puerto Rico, and the Mona 
  Passage Southward to 17N.

* WHEN...Through 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.

&&

$$

AMZ710-182145-
/O.CON.TJSJ.SC.Y.0017.000000T0000Z-210320T0000Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
939 AM AST Thu Mar 18 2021

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

* WHAT...Expect seas between 8 to 12 feet and northeast winds at 
  15 to 20 kt with higher gusts.

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

* WHEN...Until 8 PM 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.

&&

$$
778 
WHCA72 TJSJ 182006
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
406 PM AST Thu Mar 18 2021

AMZ722-190415-
/O.EXT.TJSJ.SC.Y.0016.000000T0000Z-210320T0600Z/
Anegada Passage Southward to 17N-
406 PM AST Thu Mar 18 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM AST SATURDAY...

* WHAT...Expect seas between 5 to 7 feet and east northeast winds
  at 15 to 20 kt with higher gusts.

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

* WHEN...Until 2 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.

&&

$$

AMZ710-190415-
/O.EXT.TJSJ.SC.Y.0017.000000T0000Z-210320T0600Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
406 PM AST Thu Mar 18 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM AST SATURDAY...

* WHAT...Expect seas between 6 to 8 feet and east northeast winds
  at 15 to 20 kt with higher gusts.

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

* WHEN...Until 2 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.

&&

$$

AMZ725-732-745-190000-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210319T0000Z/
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 Southwestern Puerto Rico out 10 NM-
406 PM AST Thu Mar 18 2021

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

* WHAT...Expect seas between 5 to 7 feet and east northeast winds
  at 10 to 20 kt with higher gusts.

* WHERE...Coastal Waters of Southern USVI, Vieques, and Eastern 
  Puerto Rico out 10 NM, the Coastal Waters of Southwestern 
  Puerto Rico, and the Caribbean Waters of Puerto Rico from 10 
  NM to 17N.

* WHEN...Through 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.

&&

$$

AMZ712-715-741-742-190415-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210319T1200Z/
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-
406 PM AST Thu Mar 18 2021

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

* WHAT...Expect seas between 5 to 7 feet and east northeast winds
  at 10 to 20 kt with higher gusts.

* WHERE...The coastal waters of northern Puerto Rico, Culebra, 
  and the USVI, as well as northwest Puerto Rico, and the Mona 
  Passage Southward to 17N.

* WHEN...Through 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.

&&

$$
923 
WHCA72 TJSJ 190101
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
901 PM AST Thu Mar 18 2021

AMZ722-190915-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210320T0600Z/
Anegada Passage Southward to 17N-
901 PM AST Thu Mar 18 2021

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

* WHAT...Expect seas between 5 to 7 feet and east northeast 
  winds at 15 to 20 kt with higher gusts.

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

* WHEN...Until 2 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.

&&

$$

AMZ712-715-741-742-190915-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210319T1200Z/
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-
901 PM AST Thu Mar 18 2021

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

* WHAT...Expect seas between 5 to 7 feet and east northeast 
  winds at 10 to 20 kt with higher gusts.

* WHERE...The coastal waters of northern Puerto Rico, Culebra, 
  and the USVI, as well as northwest Puerto Rico, and the Mona 
  Passage Southward to 17N.

* WHEN...Through 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.

&&

$$

AMZ710-190915-
/O.CON.TJSJ.SC.Y.0017.000000T0000Z-210320T0600Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
901 PM AST Thu Mar 18 2021

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

* WHAT...Expect seas between 5 to 7 feet and east northeast winds
  at 15 to 20 kt with higher gusts.

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

* WHEN...Until 2 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.

&&

$$
082 
WHCA72 TJSJ 190757
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
357 AM AST Fri Mar 19 2021

AMZ722-191600-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210320T0600Z/
Anegada Passage Southward to 17N-
357 AM AST Fri Mar 19 2021

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

* WHAT...Expect seas between 5 to 7 feet and east northeast 
  winds at 15 to 20 kt with higher gusts.

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

* WHEN...Until 2 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.

&&

$$

AMZ712-715-741-742-191200-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210319T1200Z/
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-
357 AM AST Fri Mar 19 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM AST THIS
MORNING...

* WHAT...Expect seas between 5 to 7 feet and east northeast 
  winds at 10 to 20 kt with higher gusts.

* WHERE...The coastal waters of northern Puerto Rico, Culebra, 
  and the USVI, as well as northwest Puerto Rico, and the Mona 
  Passage Southward to 17N.

* WHEN...Through 8 AM AST today.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ710-191600-
/O.CON.TJSJ.SC.Y.0017.000000T0000Z-210320T0600Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
357 AM AST Fri Mar 19 2021

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

* WHAT...Expect seas between 5 to 7 feet and east northeast 
  winds at 15 to 20 kt with higher gusts.

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

* WHEN...Until 2 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.

&&

$$
797 
WHCA72 TJSJ 191329
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
929 AM AST Fri Mar 19 2021

AMZ722-192130-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210320T0600Z/
Anegada Passage Southward to 17N-
929 AM AST Fri Mar 19 2021

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

* WHAT...Expect seas between 5 to 7 feet and east northeast 
  winds at 15 to 20 kt with higher gusts.

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

* WHEN...Until 2 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.

&&

$$

AMZ710-192130-
/O.CON.TJSJ.SC.Y.0017.000000T0000Z-210320T0600Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
929 AM AST Fri Mar 19 2021

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

* WHAT...Expect seas between 5 to 7 feet and east northeast 
  winds at 15 to 20 kt with higher gusts.

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

* WHEN...Until 2 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.

&&

$$
299 
WHCA72 TJSJ 192001
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
401 PM AST Fri Mar 19 2021

AMZ722-200415-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210320T0600Z/
Anegada Passage Southward to 17N-
401 PM AST Fri Mar 19 2021

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

* WHAT...Expect seas between 5 to 7 feet and east winds at 10 to
  15 kt with higher gusts.

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

* WHEN...Until 2 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.

&&

$$

AMZ710-200415-
/O.CON.TJSJ.SC.Y.0017.000000T0000Z-210320T0600Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
401 PM AST Fri Mar 19 2021

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

* WHAT...Expect seas between 5 to 7 feet and east winds at 10 to 
  15 kt with higher gusts.

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

* WHEN...Until 2 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.

&&

$$
190 
WHCA72 TJSJ 200042
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
842 PM AST Fri Mar 19 2021

AMZ722-200600-
/O.CON.TJSJ.SC.Y.0016.000000T0000Z-210320T0600Z/
Anegada Passage Southward to 17N-
842 PM AST Fri Mar 19 2021

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

* WHAT...Expect seas between 5 to 7 feet and east winds at 10 to 
  15 kt with higher gusts.

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

* WHEN...Until 2 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.

&&

$$

AMZ710-200600-
/O.CON.TJSJ.SC.Y.0017.000000T0000Z-210320T0600Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
842 PM AST Fri Mar 19 2021

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

* WHAT...Expect seas between 5 to 7 feet and east winds at 10 to 
  15 kt with higher gusts.

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

* WHEN...Until 2 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.

&&

$$

The office that day

Everything else NWS JSJ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 15, 3:04 PM CDTSmall Craft AdvisoryJSJ4 days
Mar 15, 3:05 PM CDTRip Current StatementJSJ6 days

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.