000
AGXX40 KNHC 041912
MIMATS

MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EST FRI MAR 04 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...
STRONG HIGH PRES OVER SW N ATLC PRODUCE STRONG BREEZE ACROSS MID 
AND EASTERN ZONES THROUGH SAT.  PRES GRADIENT EASES ON EASTERN 
SIDE AS RIDGE IS PUSHED E BY APPROACHING COLD FRONT OFF TEXAS 
COAST SAT.  COLD FRONT REACH FROM BIG BEND FLORIDA TO SW BAY OF 
CAMPECHE LATE WITH GALE FORCE WIND W OF BOUNDARY S OF 25N LATE 
SAT NIGHT AND EARLY SUN.  RECENT MODEL GUIDANCE SOLUTIONS SLOW 
COLD FRONT AND UPPER SUPPORT MIGHT HAVE BEEN OVERRATED IN 
PREVIOUS RUNS RESULTING IN A DELAY IN THE GALE FORCE TIMETABLE 
AND/OR SHORTENING ITS DURATION.  FRONT MOVE E OF AREA LATE SUN 
NIGHT AND HIGH PRES RIDGE BUILD ALONG E COAST WITH INCREASING SE 
FLOW ACROSS MOST OF BASIN THROUGH TUE.  S RETURN FLOW INCREASES 
IN RESPONSE TO APPROACHING COLD FRONT OVER TEXAS.

SW N ATLC...
STATIONARY FRONT ACROSS SE PORTION OF ZONE THIS AFTERNOON 
COMBINES WITH STRONG HIGH PRES NW OF BASIN TO PRODUCE NEAR GALE 
FORCE NE WINDS ACROSS BASIN.  GRADIENT WEAKEN LATE SAT AS RIDGE 
IS PUSHED E BY NEXT COLD FRONT ENTERING SW N ATLC LATE SUN AND 
EXTENDING FROM 31N60W TO NW HAITI BY LATE TUE.  

CARIBBEAN AND TROPICAL N ATLC W OF 55W...
SW N ATLC HIGH PRES MAINTAINS MODERATE TO FRESH E BREEZE OVER 
BASINS WITH SLIGHTLY HIGHER WINDS NEAR DEVELOPING LOW PRES 
CENTER 1009 MB OVER COLOMBIA.  WINDS EXPECTED TO DIMINISH BY SUN 
AS RIDGE DRIFTS EASTWARD AS WEAK NEW RIDGE BUILD N OF REGION 
MAINTAINING LIGHT TO MODERATE E TO SE BREEZE OVER ENTIRE 
CARIBBEAN.

WARNINGS..

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.GALE CONDITIONS EXPECTED SAT NIGHT AND SUN...GMZ082.

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

$$
FORECASTER WALLY BARNES