Alert archive / Puerto Rico / Small Craft Advisories in 2017

Small Craft Advisory 40, NWS JSJ

October 17, 2017

NWS JSJ issued this small craft advisory at Oct 17, 2017, 4:31 PM CDT. It was in force for 60 hr.

The area

The counties it named.

The facts

Issued
Oct 17, 2017, 4:31 PM CDT (21:31 UTC)
Expired
Oct 20, 2017, 4:28 AM CDT
In force
60 hr
Issued by
NWS JSJ

The text

As transmitted.

881 
WHCA72 TJSJ 172131
MWWSJU

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
531 PM AST TUE OCT 17 2017

...HAZARDOUS MARINE CONDITIONS ARE EXPECTED TO CONTINUE THROUGH
AT LEAST THE END OF THE WORK WEEK...

AMZ725-180545-
/O.NEW.TJSJ.SC.Y.0040.171017T2131Z-171020T0000Z/
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO
OUT 10 NM-
531 PM AST TUE OCT 17 2017

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

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A SMALL CRAFT
ADVISORY, WHICH IS IN EFFECT UNTIL 8 PM AST THURSDAY. 

* WINDS...SOUTHEAST BECOMING EAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ735-180545-
/O.EXB.TJSJ.SC.Y.0039.171018T1800Z-171020T0000Z/
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-
531 PM AST TUE OCT 17 2017

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

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A SMALL CRAFT
ADVISORY, WHICH IS IN EFFECT FROM 2 PM WEDNESDAY TO 8 PM AST
THURSDAY. 

* WINDS...SOUTHEAST BECOMING EAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 4 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ710-722-732-741-180545-
/O.EXT.TJSJ.SC.Y.0039.000000T0000Z-171020T0000Z/
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-
ANEGADA PASSAGE SOUTHWARD TO 17N-
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-
MONA PASSAGE SOUTHWARD TO 17N-
531 PM AST TUE OCT 17 2017

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

* WINDS...SOUTHEAST BECOMING EAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
10 follow-up statements
681 
WHCA72 TJSJ 180140
MWWSJU

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
940 PM AST TUE OCT 17 2017

...HAZARDOUS MARINE CONDITIONS ARE EXPECTED TO CONTINUE THROUGH
AT LEAST THE END OF THE WORK WEEK...

AMZ710-722-732-741-180945-
/O.CON.TJSJ.SC.Y.0039.000000T0000Z-171020T0000Z/
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-
ANEGADA PASSAGE SOUTHWARD TO 17N-
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-
MONA PASSAGE SOUTHWARD TO 17N-
940 PM AST TUE OCT 17 2017

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

* WINDS...SOUTHEAST BECOMING EAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ725-180945-
/O.CON.TJSJ.SC.Y.0040.000000T0000Z-171020T0000Z/
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO
OUT 10 NM-
940 PM AST TUE OCT 17 2017

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

* WINDS...SOUTHEAST BECOMING EAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ735-180945-
/O.CON.TJSJ.SC.Y.0039.171018T1800Z-171020T0000Z/
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-
940 PM AST TUE OCT 17 2017

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

* WINDS...SOUTHEAST BECOMING EAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 4 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
047 
WHCA72 TJSJ 180820
MWWSJU

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
420 AM AST WED OCT 18 2017

...HAZARDOUS MARINE CONDITIONS ARE EXPECTED TO CONTINUE THROUGH
AT LEAST THE END OF THE WORK WEEK...

AMZ710-722-732-741-181630-
/O.CON.TJSJ.SC.Y.0039.000000T0000Z-171020T0000Z/
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-
ANEGADA PASSAGE SOUTHWARD TO 17N-
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-
MONA PASSAGE SOUTHWARD TO 17N-
420 AM AST WED OCT 18 2017

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

* WINDS...SOUTHEAST BECOMING EAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ725-181630-
/O.CON.TJSJ.SC.Y.0040.000000T0000Z-171020T0000Z/
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO
OUT 10 NM-
420 AM AST WED OCT 18 2017

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

* WINDS...SOUTHEAST BECOMING EAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ735-181630-
/O.CON.TJSJ.SC.Y.0039.171018T1800Z-171020T0000Z/
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-
420 AM AST WED OCT 18 2017

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

* WINDS...SOUTHEAST BECOMING EAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 4 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
023 
WHCA72 TJSJ 181334
MWWSJU

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
ISSUED BY NATIONAL WEATHER SERVICE MIAMI FL
934 AM AST WED OCT 18 2017

...HAZARDOUS MARINE CONDITIONS ARE EXPECTED TO CONTINUE THROUGH
AT LEAST THE END OF THE WORK WEEK...

AMZ735-182145-
/O.CON.TJSJ.SC.Y.0039.171018T1800Z-171020T0000Z/
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-
934 AM AST WED OCT 18 2017

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

* WINDS...SOUTHEAST BECOMING EAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 4 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ710-722-732-741-182145-
/O.CON.TJSJ.SC.Y.0039.000000T0000Z-171020T0000Z/
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-
ANEGADA PASSAGE SOUTHWARD TO 17N-
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-
MONA PASSAGE SOUTHWARD TO 17N-
934 AM AST WED OCT 18 2017

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

* WINDS...SOUTHEAST BECOMING EAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ725-182145-
/O.CON.TJSJ.SC.Y.0040.000000T0000Z-171020T0000Z/
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO
OUT 10 NM-
934 AM AST WED OCT 18 2017

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

* WINDS...SOUTHEAST BECOMING EAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
980 
WHCA72 TJSJ 182104
MWWSJU

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
504 PM AST WED OCT 18 2017

...WIND DRIVEN SEAS WILL CONTINUE TO PRODUCE HAZARDOUS MARINE 
CONDITIONS THROUGH AT LEAST THE WEEKEND...

AMZ725-190515-
/O.EXT.TJSJ.SC.Y.0040.000000T0000Z-171020T1200Z/
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO
OUT 10 NM-
504 PM AST WED OCT 18 2017

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

* WINDS...EAST SOUTHEAST BECOMING EAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ735-190515-
/O.EXT.TJSJ.SC.Y.0039.000000T0000Z-171020T1200Z/
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-
504 PM AST WED OCT 18 2017

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

* WINDS...SOUTHEAST BECOMING EAST AT 15 TO 25 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ710-722-190515-
/O.EXT.TJSJ.SC.Y.0039.000000T0000Z-171020T1800Z/
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-
ANEGADA PASSAGE SOUTHWARD TO 17N-
504 PM AST WED OCT 18 2017

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

* WINDS...EAST SOUTHEAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ732-741-190515-
/O.EXT.TJSJ.SC.Y.0039.000000T0000Z-171022T0000Z/
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-
MONA PASSAGE SOUTHWARD TO 17N-
504 PM AST WED OCT 18 2017

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

* WINDS...EAST SOUTHEAST BECOMING EAST AT 15 TO 25 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
656 
WHCA72 TJSJ 190152
MWWSJU

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
952 PM AST WED OCT 18 2017

...WIND DRIVEN SEAS WILL CONTINUE TO PRODUCE HAZARDOUS MARINE
CONDITIONS THROUGH AT LEAST THE WEEKEND...

AMZ725-191000-
/O.CON.TJSJ.SC.Y.0040.000000T0000Z-171020T1200Z/
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO
OUT 10 NM-
952 PM AST WED OCT 18 2017

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

* WINDS...EAST SOUTHEAST BECOMING EAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ735-191000-
/O.CON.TJSJ.SC.Y.0039.000000T0000Z-171020T1200Z/
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-
952 PM AST WED OCT 18 2017

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

* WINDS...SOUTHEAST BECOMING EAST AT 15 TO 25 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ710-722-191000-
/O.CON.TJSJ.SC.Y.0039.000000T0000Z-171020T1800Z/
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-
ANEGADA PASSAGE SOUTHWARD TO 17N-
952 PM AST WED OCT 18 2017

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

* WINDS...EAST SOUTHEAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ732-741-191000-
/O.CON.TJSJ.SC.Y.0039.000000T0000Z-171022T0000Z/
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-
MONA PASSAGE SOUTHWARD TO 17N-
952 PM AST WED OCT 18 2017

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

* WINDS...EAST SOUTHEAST BECOMING EAST AT 15 TO 25 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
874 
WHCA72 TJSJ 190956
MWWSJU

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
556 AM AST THU OCT 19 2017

...WIND DRIVEN SEAS WILL CONTINUE TO PRODUCE HAZARDOUS MARINE 
CONDITIONS THROUGH AT LEAST THE WEEKEND...

AMZ725-191800-
/O.CON.TJSJ.SC.Y.0040.000000T0000Z-171020T1200Z/
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO
OUT 10 NM-
556 AM AST THU OCT 19 2017

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

* WINDS...EAST SOUTHEAST BECOMING EAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ735-191800-
/O.CON.TJSJ.SC.Y.0039.000000T0000Z-171020T1200Z/
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-
556 AM AST THU OCT 19 2017

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

* WINDS...SOUTHEAST BECOMING EAST AT 15 TO 25 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ710-722-191800-
/O.CON.TJSJ.SC.Y.0039.000000T0000Z-171020T1800Z/
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-
ANEGADA PASSAGE SOUTHWARD TO 17N-
556 AM AST THU OCT 19 2017

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

* WINDS...EAST SOUTHEAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 8 FEET WITH OCCASIONAL SEAS UP TO 10 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ732-741-191800-
/O.CON.TJSJ.SC.Y.0039.000000T0000Z-171022T0000Z/
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-
MONA PASSAGE SOUTHWARD TO 17N-
556 AM AST THU OCT 19 2017

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

* WINDS...EAST SOUTHEAST BECOMING EAST AT 15 TO 25 KNOTS.

* WAVES/SEAS...SEAS OF 6 TO 8 FEET WITH OCCASIONAL SEAS UP TO 10 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
287 
WHCA72 TJSJ 191432
MWWSJU

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
1032 AM AST THU OCT 19 2017

...WIND DRIVEN SEAS WILL CONTINUE TO PRODUCE HAZARDOUS MARINE
CONDITIONS THROUGH AT LEAST THE WEEKEND...

AMZ725-192245-
/O.CON.TJSJ.SC.Y.0040.000000T0000Z-171020T1200Z/
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO
OUT 10 NM-
1032 AM AST THU OCT 19 2017

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

* WINDS...EAST SOUTHEAST BECOMING EAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ735-192245-
/O.CON.TJSJ.SC.Y.0039.000000T0000Z-171020T1200Z/
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-
1032 AM AST THU OCT 19 2017

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

* WINDS...SOUTHEAST BECOMING EAST AT 15 TO 25 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ710-722-192245-
/O.CON.TJSJ.SC.Y.0039.000000T0000Z-171020T1800Z/
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-
ANEGADA PASSAGE SOUTHWARD TO 17N-
1032 AM AST THU OCT 19 2017

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

* WINDS...EAST SOUTHEAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 8 FEET WITH OCCASIONAL SEAS UP TO 10 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ732-741-192245-
/O.CON.TJSJ.SC.Y.0039.000000T0000Z-171022T0000Z/
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-
MONA PASSAGE SOUTHWARD TO 17N-
1032 AM AST THU OCT 19 2017

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

* WINDS...EAST SOUTHEAST BECOMING EAST AT 15 TO 25 KNOTS.

* WAVES/SEAS...SEAS OF 6 TO 8 FEET WITH OCCASIONAL SEAS UP TO 10 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
720 
WHCA72 TJSJ 192040
MWWSJU

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
440 PM AST THU OCT 19 2017

...WIND DRIVEN SEAS WILL CONTINUE TO PRODUCE HAZARDOUS MARINE
CONDITIONS THROUGH AT LEAST THE WEEKEND...

AMZ725-200445-
/O.CON.TJSJ.SC.Y.0040.000000T0000Z-171020T1200Z/
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO
OUT 10 NM-
440 PM AST THU OCT 19 2017

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

* WINDS...EAST SOUTHEAST BECOMING EAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ735-200445-
/O.CON.TJSJ.SC.Y.0039.000000T0000Z-171020T1200Z/
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-
440 PM AST THU OCT 19 2017

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

* WINDS...SOUTHEAST BECOMING EAST AT 15 TO 25 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ710-722-200445-
/O.CON.TJSJ.SC.Y.0039.000000T0000Z-171020T1800Z/
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-
ANEGADA PASSAGE SOUTHWARD TO 17N-
440 PM AST THU OCT 19 2017

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

* WINDS...EAST SOUTHEAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 8 FEET WITH OCCASIONAL SEAS UP TO 10 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ732-741-200445-
/O.CON.TJSJ.SC.Y.0039.000000T0000Z-171022T0000Z/
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-
MONA PASSAGE SOUTHWARD TO 17N-
440 PM AST THU OCT 19 2017

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

* WINDS...EAST SOUTHEAST BECOMING EAST AT 15 TO 25 KNOTS.

* WAVES/SEAS...SEAS OF 6 TO 8 FEET WITH OCCASIONAL SEAS UP TO 10 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
050 
WHCA72 TJSJ 200120
MWWSJU

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
920 PM AST THU OCT 19 2017

...WIND DRIVEN SEAS WILL CONTINUE TO PRODUCE HAZARDOUS MARINE
CONDITIONS THROUGH AT LEAST SATURDAY...

AMZ725-200930-
/O.CON.TJSJ.SC.Y.0040.000000T0000Z-171020T1200Z/
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO
OUT 10 NM-
920 PM AST THU OCT 19 2017

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

* WINDS...EAST SOUTHEAST BECOMING EAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ735-200930-
/O.CON.TJSJ.SC.Y.0039.000000T0000Z-171020T1200Z/
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-
920 PM AST THU OCT 19 2017

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

* WINDS...SOUTHEAST BECOMING EAST AT 15 TO 25 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 8 FEET WITH OCCASIONAL SEAS UP TO 10 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ710-722-200930-
/O.CON.TJSJ.SC.Y.0039.000000T0000Z-171020T1800Z/
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-
ANEGADA PASSAGE SOUTHWARD TO 17N-
920 PM AST THU OCT 19 2017

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

* WINDS...EAST SOUTHEAST AT 15 TO 20 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ732-741-200930-
/O.CON.TJSJ.SC.Y.0039.000000T0000Z-171022T0000Z/
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-
MONA PASSAGE SOUTHWARD TO 17N-
920 PM AST THU OCT 19 2017

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

* WINDS...EAST SOUTHEAST BECOMING EAST AT 15 TO 25 KNOTS.

* WAVES/SEAS...SEAS OF 6 TO 8 FEET WITH OCCASIONAL SEAS UP TO 10 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
507 
WHCA72 TJSJ 200928 RRA
MWWSJU

URGENT - MARINE WEATHER MESSAGE...DELAYED
NATIONAL WEATHER SERVICE SAN JUAN PR
528 AM AST FRI OCT 20 2017

...WIND DRIVEN SEAS WILL CONTINUE TO PRODUCE HAZARDOUS MARINE
CONDITIONS THROUGH AT LEAST SUNDAY...

AMZ725-201030-
/O.CAN.TJSJ.SC.Y.0040.000000T0000Z-171020T1200Z/
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO
OUT 10 NM-
528 AM AST FRI OCT 20 2017

...SMALL CRAFT ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS CANCELLED THE SMALL
CRAFT ADVISORY. 

SEAS HAVE SUBSIDED BELOW 7 FEET.

$$

AMZ710-722-201030-
/O.CAN.TJSJ.SC.Y.0039.000000T0000Z-171020T1800Z/
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-
ANEGADA PASSAGE SOUTHWARD TO 17N-
528 AM AST FRI OCT 20 2017

...SMALL CRAFT ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS CANCELLED THE SMALL
CRAFT ADVISORY. 

SEAS HAVE SUBSIDED BELOW 7 FEET.

$$

AMZ735-201730-
/O.EXT.TJSJ.SC.Y.0039.000000T0000Z-171020T1800Z/
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-
528 AM AST FRI OCT 20 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 PM AST THIS
AFTERNOON...

* WINDS...SOUTHEAST BECOMING EAST AT 15 TO 25 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

AMZ732-741-201730-
/O.EXT.TJSJ.SC.Y.0039.000000T0000Z-171022T2200Z/
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-
MONA PASSAGE SOUTHWARD TO 17N-
528 AM AST FRI OCT 20 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM AST SUNDAY...

* WINDS...EAST SOUTHEAST BECOMING EAST AT 15 TO 25 KNOTS.

* WAVES/SEAS...SEAS OF 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 
  FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

What forecasters said that day

The local office's own words before this small craft advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS JSJ wrote its last area forecast discussion before this small craft advisory went out at Oct 17, 3:33 PM CDT, 58 minutes earlier.

Area forecast discussion, Oct 17, 3:33 PM CDT, 58 minutes before
Area Forecast Discussion
National Weather Service San Juan PR
Issued by National Weather Service Miami FL
433 PM AST Tue Oct 17 2017

.SYNOPSIS...
Tropical moisture continues to stream in today as a tropical wave
moves overhead. High pressure system to the northeast will allow
for much drier air to move into the region late Thursday and
continue until Sunday. Isolated showers and storms will remain
possible, only across the high terrain.

&&

.SHORT TERM...

Latest satellite imagery and surface observations depicted a
tropical wave just across the eastern Caribbean this afternoon. At
the moment, most of the rain and even the low and mid level
clouds over the area have dissipated. The GFS and ECMWF models
both bring in increasing levels of moisture from the tropical
wave 18/18Z. Unfortunately, soils remain completely saturated due
to the long period of light and moderate rainfall that occurred
over much of the south and eastern half of Puerto Rico. The threat
of mudslides, even with modest amounts of additional rainfall,
will continue until at least midweek. Although showers may arrive
a little earlier in the U.S. Virgin Islands tonight, they are
expected to yield considerably less rainfall and widespread
flooding is not expected there. Therefore the Flash Flood Watch
will continue for Puerto Rico through Wednesday evening.

The transition to drier air occurs on Thursday. Locally induced
thunderstorms are possible on Thursday across the northwest
quadrant of Puerto Rico due to the southeast flow, but overall
rainfall amounts will be less than the previous days and
temperatures will generally be somewhat warmer, mainly on the
norther municipalities of Puerto Rico.

.LONG TERM...

Precipitable water in the GFS drops to as little as 1.1 inches on
Friday through Sunday and this should be enough to generate only
isolated thunderstorms, if that, since 1.1 inches of P-Wat is very
dry compared to climatology. The base of a 10 thousand foot band
of relative humidity less than 10 percent is forecast to begin
just above the 700 mb level and should eliminate all but the most
robust convective parcels. Showers would also be short-lived.
At upper levels, northwest flow with anti-cyclonic curvature will
persist Friday through Sunday to enhance subsidence and
convergent flow aloft. The GFS does hint at several shots of
divergence aloft and therefore cannot rule out local
thunderstorms in the west during the afternoons and scattered
light showers on the east coast during the mornings. This point is
confirmed by periods of 850 mb moisture above 80 percent over the
weekend and into next week, in spite of the weak moisture at 700
mb during the period. Sunday through Wednesday of this week will
likely be the wettest period of the next 10 days.

&&

.AVIATION...

Showers and thunderstorms have developed across the higher
terrain, leading to a period of thunderstorms in the vacinity of
JPQ. Elsewhere, expect clouds to remain scattered, with VFR
conditions prevailing through the TAF forecast cycle.

&&

.MARINE...

Small Craft Advisory is in place through 00Z Friday as rough and
choppy waters are expected. A wind surge will arrive late on
Thursday, causing seas to rise late this week into the weekend.

&&

.PRELIMINARY POINT TEMPS/POPS...
SJU  81  85  81  86 /  40  30  20  20
STT  81  83  83  83 /  50  30  20  20

&&

.SJU WATCHES/WARNINGS/ADVISORIES...
PR...Flash Flood Watch through Wednesday evening for Central Interior-
     Culebra-Eastern Interior-Mayaguez and Vicinity-North
     Central-Northeast-Northwest-Ponce and Vicinity-San Juan and
     Vicinity-Southeast-Southwest-Vieques-Western Interior.

VI...High Rip Current Risk until 6 PM AST this evening for St Croix.

AM...Flash Flood Watch through Wednesday evening for Coastal Waters
     OF Southwestern Puerto Rico out 10 NM-Coastal Waters of
     Southern Puerto Rico out 10 NM.

     Small Craft Advisory until 6 PM AST this evening for Caribbean
     Waters of Puerto Rico from 10 NM to 17N-Mona Passage
     Southward to 17N.

     Small Craft Advisory until 8 PM AST Wednesday for Anegada
     Passage Southward to 17N-Atlantic Waters of Puerto Rico and
     USVI from 10 NM to 19.5N.

&&

SHORT TERM...99
LONG TERM....99
Hazardous weather outlook, Oct 17, 4:44 AM CDT, 11 hours 47 minutes before
Perspectivas sobre condiciones peligrosas del tiempo
Servicio Nacional de Meteorologia San Juan PR
532 AM AST martes 17 de octubre de 2017

AMZ710>745-PRZ001>013-180945-
San Juan y Vecindad-Noreste-Sureste-
Este Interior-Norte Central-Interior Central-Ponce y Vecindad-
Noroeste-Oeste Interior-Mayaguez y Vecindad-Suroeste-Culebra-Vieques-
Aguas cercanas y lejanas a la costa del Atlantico y Caribe-
532 AM AST martes 17 de octubre de 2017

Esta perspectiva sobre las condiciones peligrosas del tiempo es
para Puerto Rico y las aguas costeras adyacentes del Atlantico.

.Dia Uno...Hoy y Esta Noche

.Tronadas...Existe la posibilidad de tronadas con lluvias fuertes y
vientos en rafagas breves esta tarde a traves de sectores de la mitad
este y noroeste de Puerto Rico y aguas locales.

.Inundaciones...Lluvias fuertes pudieran resultar en inundaciones
urbanas y de rios y crecidas rapidas en los rios mayores.

.Vientos...Se esperan vientos sostenidos en exceso de 20 mph a
traves de la mayor parte de las aguas locales.

.Oleaje...Se espera oleaje picado de hasta 8 pies a traves de las
aguas mar afuera del Atlantico y Caribe.

.Calor...Indices de calor de 102 grados Fahrenheit son posibles en
el interior del oeste de Puerto Rico.

.Corrientes marinas...Existe un riesgo moderado de corrientes
marinas a traves de las playas de PR al igual que Vieques y Culebra.
Existe riesgo bajo de corrientes marinas en Mayaguez.

.Dias Dos a Siete...miercoles a lunes

Condiciones muy humedas continuaran hasta el miercoles con posibilidad
de tronadas en las tardes. El riesgo de corrientes marinas aumentara
el jueves y viernes.

.Comunicado sobre informacion reportada por observadores...

No se anticipa activacion amplia de observadores, sin embargo, se
les exhorta a los observadores individuales a reportar inundaciones,
deslizamientos y corrientes marinas al Servicio Nacional de
Meteorologia en San Juan.

AMZ715-725-VIZ001-002-180945-
San Tomas, San John e Islas Adyacentes-Santa Cruz-
Aguas cercanas del Atlantico y aguas costeras adyacentes del Caribe-
532 AM AST martes 17 de octubre de 2017

Esta perspectiva sobre las condiciones del tiempo peligrosas es
para Puerto Rico y las aguas costeras adyacentes del Atlantico.

.Dia Uno...Hoy y Esta Noche

.Tronadas...Existe posibilidad leve de tronadas con lluvias fuertes y
vientos en rafagas breves esta tarde a traves de sectores de las Islas
Virgenes americanas y aguas locales.

.Inundaciones...Lluvias fuertes pudieran resultar en inundaciones
aisladas.

.Vientos...Vientos sostenidos en exceso de 20 MPH son posibles a
traves de porciones del norte de las Islas Virgenes Americanas
y el pasaje de Anegada.

.Oleaje...Se espera oleaje picado hasta 8 pies a traves de las
aguas locales y el Pasaje de Anegada.

.Corrientes marinas...Existe un riesgo alto de corriente marinas
para Cramer Park en Santa Cruz.

.Dias Dos a Siete...miercoles a lunes

Condiciones atmosfericas mas humedas de lo usual continuaran hasta
el miercoles con tronadas posibles en las tardes. El riesgo de corrientes
marinas persistiran hasta por lo menos el viernes.

.Comunicado sobre informacion reportada por observadores...

No se anticipa activacion amplia de observadores, sin embargo, se
les exhorta a los observadores individuales a reportar inundaciones,
deslizamientos y corrientes marinas al Servicio Nacional de
Meteorologia en San Juan.

The office that day

Everything else NWS JSJ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 16, 7:04 PM CDTFlash Flood WarningJSJ5 hr
Oct 16, 9:17 PM CDTAreal Flood WarningJSJ9 hr
Oct 17, 4:47 AM CDTAreal Flood AdvisoryJSJ3 hr
Oct 17, 5:02 AM CDTAreal Flood AdvisoryJSJ3 hr
Oct 17, 5:27 AM CDTAreal Flood AdvisoryJSJ3 hr
Oct 17, 7:06 AM CDTAreal Flood AdvisoryJSJ114 min
Oct 17, 7:45 AM CDTAreal Flood AdvisoryJSJ3 hr
Oct 17, 3:56 PM CDTAreal Flood AdvisoryJSJ3 hr

Nearby

Small Craft Advisories in Puerto Rico, 2017Every small craft advisory in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.