000
AGXX40 KNHC 311740
MIMATS

MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
145 PM EDT THU MAR 31 2011

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...
A COLD FRONT STALLED TEMPORALLY FROM FL BIG BEND TO CENTRAL BAY 
OF CAMPECHE WILL GET A PUSH SE LATE TODAY REACHING FROM SW FL TO 
NE YUCATAN PENINSULA LATE FRI. THE FRONT WILL THEN DRIFT SE FRI 
WITH SOME OF THE REMNANT MOISTURE LIFTING N ACROSS THE S CENTRAL 
WATERS SAT. A SURFACE HIGH WILL SHIFT E FROM OVER THE NW GULF 
TONIGHT ALONG 27N TO OVER N FL SUN...WITH A RIDGE EXTENDING NW 
SUN NIGHT AND MON. SE RETURN FLOW WILL INCREASE SUN NIGHT OVER 
THE W PORTION...SPREADING E ACROSS ENTIRE GULF MON AND TUE WITH 
20 TO 25 KT OVER MOST WATERS MON NIGHT IN ADVANCE OF ANOTHER 
STRONG COLD FRONT TUE. 

SW N ATLC...
AN INITIAL COLD FRONT HAS STALLED JUST OFF THE NE FL COAST THIS 
MORNING. A STRONG UPPER SHORTWAVE IS RACING E ACROSS THE SE 
CONUS AND WILL GET THIS FRONT GOING E AGAIN BY EARLY TONIGHT. 
THIS INITIAL FRONT SHOULD REACH FROM BERMUDA TO NW CUBA LATE 
FRI...THEN STALL AGAIN ALONG 31N59W TO 27N65W TO SE CUBA SAT 
AFTERNOON. BY THEN...A SECONDARY REINFORCING COLD FRONT WILL 
SWEEP E AND SE ACROSS THE NORTHERN WATERS THROUGH SAT NIGHT. THE 
SECOND DRY FRONT WILL MERGE WITH THE INITIAL FRONT SUN ALONG 
31N56W TO 24N65W TO 20N73W. THE MERGED BOUNDARY WILL WASH OUT 
FROM 25N55W TO NEAR PUERTO RICO MON NIGHT AND TUE. A POST 
FRONTAL HIGH PRES CENTER WILL MOVE OFF N FL COAST SUN AND SHIFT 
ENE PASSING BERMUDA EARLY TUE. RETURN FLOW WILL INCREASE AROUND 
PERIPHERY OF THIS HIGH MON AND TUE IN ADVANCE OF A STRONG FRONT 
MOVING OFF GA COAST AROUND EARLY WED.

CARIBBEAN AND TROP N ATLC W OF 55W...
THE SE TRADES ARE ALREADY DIMINISHING OVER THE NW CARIBBEAN AS 
THE GULF OF MEXICO FRONT APPROACHES WITH THE FRONT EXPECTED TO 
STALL AND MEANDER OVER THE YUCATAN CHANNEL LATE TONIGHT THROUGH 
FRI NIGHT. E TO SE TRADES WILL INCREASE OVER THE NW CARIBBEAN 
MON AND TUE. LITTLE CHANGE EXPECTED ELSEWHERE THROUGH TUE.   
 
WARNINGS..

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

FOR ADDITIONAL INFORMATION PLEASE VISIT 
HTTP://WWW.HURRICANES.GOV/MARINE

$$
FORECASTER NELSON