000
AGXX40 KNHC 131926
MIMATS

MARINE WEATHER DISCUSSION   
NWS NATIONAL HURRICANE CENTER MIAMI FL
230 PM EST MON FEB 13 2012

MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA 
AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W.

GULF OF MEXICO...
HIGH PRES CENTERED OVER SE GEORGIA EXTENDS A RIDGE OVER THE 
EASTERN HALF OF THE GULF. PRES GRADIENT BETWEEN THIS HIGH AND 
LOWER PRES ALONG THE TEXAS COAST/NE MEXICO IS PRODUCING SLY 
RETURN FLOW OF 20 TO 25 KT OVER THE WESTERN GULF. AS HIGH PRES 
CONTINUES TO SHIFT EWD DURING THE NEXT 24 HOURS...THE SOUTHERLY 
WINDS WILL SPREAD ACROSS THE ENTIRE GULF TONIGHT INTO TUE. A 
WEAK COLD FRONT WILL MOVE OFF THE TEXAS COAST TONIGHT CLIPPING 
THE N WATERS. THE FRONT WILL MOVE ACROSS SE LOUISIANA BY TUE 
MORNING REACHING THE FLORIDA PANHANDLE LATE WED. WINDS WILL 
QUICKLY VEER TO THE SE AHEAD OF THE NEXT COLD FRONT FORECAST TO 
MOVE OFF THE TEXAS COAST WED NIGHT. THE FRONT WILL EXTEND FROM 
SE LOUISIANA TO NE MEXICO BY THU AFTERNOON THEN STALL FROM N 
FLORIDA TO 27N90W TO NE MEXICO FRI AFTERNOON. A LOW PRES OR 
FRONTAL WAVE  MAY FORM ALONG THE FRONT OVER THE NW GULF LATE 
FRI. MARINE GUIDANCE SHOWS THIS LOW PRES MOVING NE ALLOWING THE 
FRONT TO MOVE SE ACROSS THE GULF WATERS DURING THE UPCOMING 
WEEKEND. EXPECT FRESH TO STRONG WINDS IN THE WAKE OF THE FRONT 
AND BUILDING SEAS.

SW N ATLC S OF 31N W OF 65W...
A COLD FRONT IS OVER THE FAR SE PORTION OF THE AREA EXTENDING 
FROM 21N65W TO THE DOMINICAN REPUBLIC. A 180 NM WIDE BAND OF 
MULTILAYERED CLOUDS WITH EMBEDDED SHOWERS IS ASSOCIATED WITH THE 
FRONT WHICH IS FORECAST TO MOVE SE OF THE AREA TONIGHT. LARGE 
SWELLS UP TO 15 FT ARE NOTED E OF THE BAHAMAS IN THE WAKE OF THE 
FRONT. BOTH...BUOYS 41046 AND 41047 CONFIRMED THE SEA HEIGHTS. 
IN ADDITION...THE 1340 UTC ASCAT PASS SHOWED N WINDS OF 20 TO 25 
KT BEHIND THE FRONT. HIGH PRES WILL BUILD IN THE WAKE OF THE 
FRONT THROUGH MIDWEEK WITH SOUTHERLY RETURN FLOW SETTING UP OVER 
THE NW WATERS TUE. A BELT OF NE WINDS TO 20 KT WILL PERSIST ON 
THE SOUTHERN PERIPHERY OF THE HIGH PARTICULARLY S OF 23N. A 
SECOND COLD FRONT WILL CLIP THE N WATERS...MAINLY N OF 30N WED 
AND THU. EXPECT INCREASING SW FLOW ACROSS THE N WATERS FRI AHEAD 
OF ANOTHER COLD FRONT IS FORECAST TO MOVE INTO THE NW PART OF 
THE ZONE FRI AFTERNOON THEN REACH FROM 31N72W TO 29N81W SAT 
AFTERNOON. 

CARIBBEAN AND TROPICAL N ATLC...
DISSIPATING COLD FRONT EXTENDING FROM DOMINICAN REPUBLIC TO 
14N81W WILL BECOME DIFFUSE TONIGHT ACROSS THE CARIBBEAN. THE 
FRONT IS BRUSHING THE NW PORTION OF THE TROPICAL N ATLC ZONE 
THIS AFTERNOON WHERE IT WILL STALL AND WEAKEN THROUGH TUE AND 
DISSIPATE BY EARLY WED. HIGH PRESSURE WILL BUILD IN THE WAKE OF 
THE FRONT N OF THE AREA THROUGH MIDWEEK WITH MODERATE TO FRESH 
TRADEWINDS PREVAILING. 

WARNINGS...

GULF OF MEXICO...
.NONE. 

.SW N ATLC...
.NONE.  

.CARIBBEAN SEA AND TROPICAL N ATLC...
.NONE. 
    
FOR ADDITIONAL INFORMATION PLEASE VISIT
HTTP://WWW.HURRICANES.GOV/MARINE

$$
FORECASTER AL