000
AGXX40 KNHC 231832
MIMATS

MARINE WEATHER DISCUSSION   
NWS NATIONAL HURRICANE CENTER MIAMI FL
130 PM EST FRI DEC 23 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...
COLD FRONT EXTENDING FROM FLORIDA BIG BEND TO WESTERN BAY OF 
CAMPECHE THIS AFTERNOON REACH FROM 28N82W TO NW YUCATAN 
PENINSULA LATE TONIGHT THEN STALL.  REINFORCING COLD FRONT MOVE 
RAPIDLY ACROSS GULF AND MERGE WITH PREVIOUS FRONT AND BOTH SHIFT 
E OF BASIN SAT NIGHT.  REINFORCING FRONT BRING GALE FORCE N 
WINDS TO SW GULF ZONE AND STRONG NE WINDS ELSEWHERE W OF 90W AND 
FRESH N WINDS E OF 90W. FRONT WEAKENS AND WINDS RAPIDLY DIMINISH 
BY LATE MON NIGHT AND TUE.

SOUTHWEST N ATLC S OF 31N W OF 65W...
SURFACE HIGH PRES RIDGE ALONG 31N MOVE E AS COLD FRONT MOVES 
INTO NW PORTION OF BASIN TONIGHT AND EXTEND FROM BERMUDA TO 
CENTRAL FLORIDA SAT NIGHT.  FRONT STALLS FROM 28N66W TO 27N80W 
SUN TILL SECOND AND STRONGER COLD FRONT MOVE INTO AREA AND 
MERGE.  BOTH FRONT THEN MOVE AND REACH FROM 31N67W TO NW BAHAMAS 
EARLY MON AND FROM BERMUDA TO CENTRAL BAHAMAS LATE MON.  
NORTHERN PORTION OF FRONT CONTINUES E WHILE SOUTHERN PORTION 
STALLS ALONG 24N TUE AND WED.

CARIBBEAN SEA AND TROPICAL N ATLC...
STEEP PRES GRADIENT BETWEEN HEALTHY HIGH PRES OVER NW ATLC AND 
DEVELOPING LOW PRES OVER COLOMBIA STRONG ENOUGH TO PROMPT GALE 
FORCE WINDS S OF 15N FROM 73W-78W AND STRONG E BREEZE E OF 73W.  
GALE WINDS DIMINISH THIS AFTERNOON BUT REMAIN STRONG FROM 70W TO 
80W THROUGH WED.  LARGE NLY SWELLS SPREAD S INTO TROPICAL ATLC 
AND THROUGH ITS PASSAGES SAT AND SUN.

WARNINGS...

GULF OF MEXICO...
.GALE WARNING...GMZ082 W OF 94W LATE SAT THROUGH EARLY MON.

.CARIBBEAN SEA AND TROPICAL N ATLC...
.GALE WARNING...AMZ084-086 FROM 11N TO 15N BETWEEN 73W AND 78W.

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

$$
FORECASTER WALLY BARNES