000
AGXX40 KNHC 230604
MIMATS

MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 AM EDT SUN OCT 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...
HIGH PRES OVER THE SE U.S. WILL MAINTAIN ANTICYCLONIC FLOW AND A 
WEAK PRESSURE GRADIENT OVER MUCH OF THE GULF THROUGH MON WITH 
MOSTLY LIGHT TO MODERATE WINDS ACROSS THE AREA. WINDS ARE 
EXPECTED TO INCREASE TO 15-20 KT OVER THE SE GULF MON NIGHT 
AS THE PRES GRADIENT TIGHTENS BETWEEN LOW PRESSURE CENTER IN 
THE WESTERN CARIBBEAN AND HIGH PRES OVER THE SE UNITED STATES. 

SW N ATLC S OF 31N W OF 55W...
A COLD FRONT WILL MOVE INTO THE NW PART OF THE AREA TONIGHT AND 
MOVE ACROSS THE N PORTION OF THE AREA THROUGH TUE...THEN E OF 
THE AREA BY TUE NIGHT. HIGH PRES WILL BUILD IN THE WAKE OF THE 
FRONT WITH MODERATE TO FRESH TRADE WIND FLOW PREVAILING THE 
REMAINDER OF THE FORECAST PERIOD.

CARIBBEAN SEA AND TROPICAL N ATLC... 
LOW PRES EMBEDDED IN THE EASTERN EXTENT OF THE MONSOON TROUGH IN 
THE THE SW CARIBBEAN NEAR 13N82W IS FORECAST TO GRADUALLY MOVE 
NWD WHILE DEEPENING. THERE IS CURRENTLY A HIGH PROBABILITY THAT 
THIS LOW WILL DEVELOP INTO A TROPICAL CYCLONE WITHIN THE NEXT 48 
HOURS. A TROUGH IN THE TROPICAL N ATLC WILL MOVE INTO THE E 
CARIBBEAN SUN NIGHT...AND THE CENTRAL CARIBBEAN TUE NIGHT...AND 
WILL MERGE INTO THE EASTERN EXTENT OF THE MONSOON TROUGH IN THE 
SW CARIBBEAN LATE WED NIGHT.

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 AL