Marine Weather Message
Issued by NWS San Juan, PR

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
820
WHCA72 TJSJ 162021
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
421 PM AST Sat Dec 16 2017

...Northerly swell will diminish today, however rough and
hazardous seas are expected to return across the offshore waters
and local passages later tonight due to fresh to locally strong
trade winds...

AMZ712-725-170430-
/O.EXB.TJSJ.SC.Y.0045.171217T0600Z-171218T1200Z/
Coastal Waters of Northern Puerto Rico out 10 NM-
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico
out 10 NM-
421 PM AST Sat Dec 16 2017

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

The National Weather Service in San Juan has issued a Small Craft
Advisory, which is in effect from 2 AM Sunday to 8 AM AST Monday.

* WINDS...10-20 knots with higher gusts.

* WAVES/SEAS...Rough seas increasing 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
and seas of 7 feet or greater are expected to produce hazardous
wave conditions to small craft. Inexperienced mariners...
especially those operating smaller vessels should avoid
navigating in these conditions.

&&

$$

AMZ710-722-732-741-170430-
/O.EXT.TJSJ.SC.Y.0045.171217T0600Z-171218T1800Z/
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-
421 PM AST Sat Dec 16 2017

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

* WINDS...10-20 knots with higher gusts.

* WAVES/SEAS...Rough seas increasing 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
and seas of 7 feet or greater are expected to produce hazardous
wave conditions to small craft. Inexperienced mariners...
especially those operating smaller vessels should avoid
navigating in these conditions.

&&

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.