Marine Weather Message
Issued by NWS San Juan, PR

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397
WHCA72 TJSJ 200806
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
406 AM AST Fri Apr 20 2018

...A northeasterly swell will continue to create seas up to 7 feet...

...Hazardous seas are expected across the offshore Atlantic and
Caribbean waters and across the Anegada and Mona Passages due to
a long period northeasterly swell...

AMZ722-732-741-201615-
/O.EXT.TJSJ.SC.Y.0026.000000T0000Z-180420T1800Z/
Anegada Passage Southward to 17N-
Caribbean Waters of Puerto Rico from 10 NM to 17N-
Mona Passage Southward to 17N-
406 AM AST Fri Apr 20 2018

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

* WINDS...East winds 15 to 20 knots.

* SEAS...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
and/or 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.

&&

$$

AMZ710-201615-
/O.CON.TJSJ.SC.Y.0026.000000T0000Z-180421T2200Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
406 AM AST Fri Apr 20 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST SATURDAY...

* WINDS...East winds 15 to 20 knots.

* SEAS...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
and/or 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.

&&

$$



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