000
AGXX40 KNHC 231903
MIMATS

MARINE WEATHER DISCUSSION   
NWS NATIONAL HURRICANE CENTER MIAMI FL
230 PM EDT FRI MAR 23 2012

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

GULF OF MEXICO...
FRONTAL TROUGH EXTEND FROM 30N88W TO 19N93W DRIFT NW TILL 
OVERRUN BY WEAK COLD FRONT MOVING TO NW WATERS THIS AFTERNOON.  
MERGED BOUNDARY MOVE SE AND EXTEND FROM FL PANHANDLE TO EXTREME 
SE TX ON LATE SAT AND REACH ALONG 25N FROM CENTRAL FL TO CENTRAL 
GULF LATE SUN THEN MOVE SE THROUGH FL STRAITS SUN NIGHT.  HIGH  
PRES BUILDS OVER N-CENTRAL GULF AND DRIFT E ALONG 29N MON THEN 
SHIFT NE OF AREA TUE WITH RIDGE EXTENDING FROM CAROLINAS TO NE 
TX COASTAL PLAINS.  SE RETURN FLOW SETS UP ACROSS ENTIRE GULF BY 
LATE TUE. 

SOUTHWEST N ATLC S OF 31N W OF 55W...
ENHANCED NE-E TRADES AT 20-25 KT ACROSS ATLC WATERS FROM 18N-25N 
W OF 55W DIMINISH BELOW 20 KT SAT AS SURFACE HIGH SHIFTS SE INTO 
AREA NEAR 29N66W.  SOUTHERLY WINDS ALONG W PERIPHERY OF HIGH 
PRES INCREASE TO 15-20 KT OVER WATERS N OF 28N W OF 76W LATE 
SAT.  SOUTHERLY FLOW FURTHER INCREASE TO 20-30 KT EARLY LATE SAT 
AHEAD OF COLD FRONT MOVING OFF GA COAST LATE SAT NIGHT.  FRONT 
REACH FROM BERMUDA TO CENTRAL BAHAMAS EARLY MON...FROM 31N60W TO 
25N65W TO CUBA AT 22N77W EARLY TUE...AND FROM 27N55W TO 
HISPANIOLA EARLY WED.  

CARIBBEAN SEA AND TROPICAL N ATLC...
ATLC HIGH PRES MAINTAIN 15-20 KT NE-E TRADES ACROSS AREA THROUGH 
SAT AND ENHANCED TO 20-25 KT ALONG NW COAST OF COLOMBIA.  TRADES 
DIMINISH SAT NIGHT AS WEAK COLD FRONT ENTERS NW CARIBBEAN WITH 
WINDS BECOMING LIGHT AND VARIABLE NEAR FRONTAL BOUNDARY.  FRONT 
MOVE INTO TROPICAL ATLC WATERS NE OF VIRGIN ISLANDS LATE TUE AND 
STALL BY WED.
  
WARNINGS...

GULF OF MEXICO...
.NONE.

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

.SW N ATLC...
.NONE.
    
FOR ADDITIONAL INFORMATION PLEASE VISIT
HTTP://WWW.HURRICANES.GOV/MARINE

$$
FORECASTER WALLY BARNES