000
AGXX40 KNHC 250802
MIMATS

MARINE WEATHER DISCUSSION   
NWS NATIONAL HURRICANE CENTER MIAMI FL
300 AM EST FRI NOV 25 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...
WEAK STATIONARY FRONT EXTENDS FROM STRAITS OF FLORIDA ACROSS 
SOUTH GULF TO BAY OF CAMPECHE.  FRONT BECOMES DIFFUSE LATER 
TODAY AS HIGH PRES 1028 MB BUILDS OVER LOWER MISSISSIPPI VALLEY. 
WINDS EXPECTED TO DIMINISH SAT AS HIGH PRES IS FORCED E BY SHARP 
UPPER LEVEL TROUGH.  THEN SE RETURN FLOW INCREASE LATE SAT AHEAD 
OF STRONG COLD FRONT ENTERING NW GULF.  GUIDANCE SOLUTIONS AGREE 
ON GALE FORCE WINDS OVER WESTERN GULF EARLY SAT NIGHT AND SUN.  
FORECAST ACCEPTS DYNAMICAL MODELS...WITH GALES EXPECTED FOR BOTH 
NW AND SW GULF OVER THE WEEKEND WITH WINDS AND SEAS DIMINISHING 
BY MON.

SW N ATLC N OF 19N W OF 55W...
COLD FRONT FROM 28N65W TO 24N75W BECOMES STATIONARY ACROSS 
CENTRAL BAHAMAS TO STRAITS FLORIDA.  COLD FRONT CONTINUES E 
WHILE STATIONARY PORTION BECOMES DIFFUSE LATER TODAY.  FRESH TO 
STRONG NE WINDS PREVAIL OVER BASIN N OF FRONTAL BOUNDARY WITH 
OBSERVED SEA HEIGHTS OF 8-9 FT BEGINNING TO SUBSIDE TODAY 
THROUGH LATE SAT NIGHT.  EARLY SUN...WINDS OVER NW PORTION OF SW 
N ATLC VEER S AND SW AS SECOND COLD FRONT ENTER BASIN LATE SUN.
STRONG NW WINDS BEHIND FRONT EARLY MON SOON DIMINISH TO FRESH AS 
FRONT REACHES FROM 31N70W TO STRAITS OF FLORIDA LATE MON AND 
FROM 27N65W TO E CUBA LATE TUE.  

CARIBBEAN SEA AND TROPICAL N ATLC S OF 19N W OF 55W...
FRESH TRADES PRESENTLY ACROSS ENTIRE BASIN DIMINISH TEMPORARILY 
FRI AS STATIONARY FRONT BECOMES DIFFUSE.  DYNAMICAL MODEL 
GUIDANCE SUGGEST FORMATION OF WEAK LOW PRES 1008 MB WITHIN 
MONSOON TROUGH IN SW ZONE INCREASING PRES GRADIENT WITH HIGH 
PRES 1028 MB N OF DIFFUSING FRONT.  FRESH N TO NE WINDS OVER 
BOTH WESTERN ZONES WHILE MODERATE TRADES REMAIN OVER EASTERN 
HALF OF BASIN.  STRONG COLD FRONT CROSSES YUCATAN CHANNEL LATE 
SUN OR MON...BRINGING STRONG N WINDS AND HIGHER SEA HEIGHTS INTO 
NW CARIBBEAN THROUGH LATE TUE.

WARNINGS...

GULF OF MEXICO...
.GMZ080...GALE CONDITIONS EXPECTED W OF 95W SAT NIGHT.
.GMZ082...GALE CONDITIONS EXPECTED W OF 95W SUN.

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

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

$$
FORECASTER WALLY BARNES