000
AGXX40 KNHC 211826
MIMATS

MARINE WEATHER DISCUSSION   
NWS NATIONAL HURRICANE CENTER MIAMI FL
130 PM EST TUE FEB 21 2012

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

GULF OF MEXICO...
WEAK COLD FRONT MOVES S INTO THE EXTREME NW GULF BUT QUICKLY 
DISSIPATES. ANOTHER COLD FRONT WILL APPROACH BUT STALL OVER THE 
TX COASTAL PLAINS ON WED AND DISSIPATE WED NIGHT AS SLY FLOW 
STRENGTHENS AGAIN OVER NW PORTION IN ADVANCE OF A THIRD COLD 
FRONT THAT WILL MOVE INTO THE NW GULF LATE THU NIGHT ACCOMPANIED 
BY A 20-25 KT SW-NW WIND SHIFT WITH NLY WINDS INCREASING TO 30 
KT W OF FRONT BY LATE SAT. GUIDANCE IS BECOMING MORE CONSISTENT 
WITH THE STRENGTH OF THE POST-FRONTAL NLY FLOW MAXING AT 30 
KT...AND ALSO THE SPEED OF THE FRONT WHICH SHOULD MOVE SE OF 
AREA SAT MORNING.

SW N ATLC S OF 31N W OF 65W...
COLD FRONT FROM 24N65W TO CENTRAL CUBA WILL MOVE SE OF THE THE 
AREA TONIGHT. LARGE POST-FRONTAL NLY SWELL WILL INCREASE THE 
SEAS TO 15 FT OVER THE WATERS JUST S OF BERMUDA. THESE LARGE 
SWELLS WILL CONTINUE S REACHING THE NE CARIBBEAN AT ABOUT 10 FT 
LATE WED NIGHT. SLY RETURN FLOW WILL SET UP ALONG THE NE FL 
COAST LATE TONIGHT AND QUICKLY SPREAD E ACROSS MUCH OF THE AREA 
TONIGHT. THE SLY FLOW INCREASES WED NIGHT AND THU AHEAD OF THE 
NEXT COLD FRONT WHICH WILL PASS E TO THE N OF THE AREA THU. THE 
SLY FLOW WILL STRENGTHEN AGAIN ON FRI AHEAD OF A STRONGER FRONT 
MOVING OFF THE GA COAST FRI EVENING AND EXTEND FROM 31N72W TO 
NORTHERN BAHAMAS SAT THEN MOVE RAPIDLY E OF THE AREA SUN.

CARIBBEAN SEA AND TROPICAL N ATLC...
THE TAIL END OF A COLD FRONT WILL BRUSH THE FAR N PORTION OF THE 
TROPICAL ATLC ZONE TONIGHT THEN MOVE E AND WEAKEN. NLY SWELLS 
WITH SEAS TO 10 FT N OF 20N WED NIGHT. THE SWELLS WILL CONTINUE 
TO PROPAGATE S ACROSS THE ENTIRE TROPICAL ATLC ZONE THU. THE 
TRADES HAVE RELAXED ACROSS MUCH OF THE AREA WITH THE EXCEPTION 
OF ALONG THE NW COAST OF COLOMBIA....BUT ARE EXPECTED TO 
INCREASE THROUGHOUT THE AREA TONIGHT AND WED AS HIGH PRES N OF 
THE AREA STRENGTHENS.
   
WARNINGS...

GULF OF MEXICO...
.NONE. 

.CARIBBEAN SEA AND TROPICAL N ATLC...
.NONE. 

.SW N ATLC...
.NONE...GALE WARNING N OF 29N E OF 65W.
    
FOR ADDITIONAL INFORMATION PLEASE VISIT
HTTP://WWW.HURRICANES.GOV/MARINE

$$
FORECASTER DGS