000
AGXX40 KNHC 240554
MIMATS

MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 AM EDT MON OCT 24 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 WITH 
A WEAK PRESSURE GRADIENT OVER MUCH OF THE GULF TODAY RESULTING 
IN MOSTLY LIGHT TO MODERATE WINDS ACROSS THE AREA. WINDS WILL 
FRESHEN OVER THE SE GULF LATE TONIGHT AS THE PRESSURE GRADIENT 
BETWEEN HIGH PRES OVER THE SE U.S. AND TROPICAL STORM RINA 
TIGHTENS. AS THIS AREA OF HIGH PRESSURE SHIFTS EASTWARD BY THE 
END OF THE FORECAST PERIOD...THE PRESSURE GRADIENT IS EXPECTED 
TO WEAKEN WITH WINDS DIMINISHING OVER THE SE GULF. A COLD FRONT 
IS FORECAST TO MOVE OFF THE TEXAS COAST LATE THU...AND RAPIDLY 
MOVE ACROSS THE GULF WATERS THROUGH FRI. 

SW N ATLC S OF 31N W OF 55W...
THE STATIONARY FRONT OVER THE AREA EXTENDING FROM 31N70W TO CUBA 
HAS WEAKENED TO A TROUGH AND EXTENDS FROM NEAR 31N70W TO THE 
NORTHERN BAHAMAS. A COLD FRONT WILL MOVE INTO THE NW PART OF THE 
AREA TODAY AND MERGE WITH THE TROUGH AS IT MOVES EASTWARD ACROSS 
THE AREA...WITH WINDS FRESHENING W OF THE FRONT. THE FRONT IS 
EXPECTED TO MOVE E OF THE AREA BY WED. HIGH PRES WILL BUILD IN 
THE WAKE OF THE FRONT WITH A SURFACE RIDGE OVER THE N PART OF 
THE AREA THU AND FRI. 

CARIBBEAN SEA AND TROPICAL N ATLC... 
RECENTLY UPGRADED TROPICAL STORM RINA WAS CENTERED NEAR 
16.4N82.2W AT 0300 UTC. RINA WAS MOVING TOWARD THE NNW AT 7 KT. 
ESTIMATED MINIMUM CENTRAL PRESSURE WAS 1004 MB. MAXIMUM 
SUSTAINED WINDS WERE 35 KT GUSTING TO 45 KT. RINA IS FORECAST TO 
MOVE WEST NORTHWESTWARD WHILE GRADUALLY INTENSIFYING OVER THE 
NEXT SEVERAL DAYS...WITH RINA FORECAST TO INTENSIFY TO HURRICANE 
STRENGTH THURSDAY NIGHT NEAR 18.9N87.4W. A TROUGH IN THE 
TROPICAL N ATLC WILL MOVE INTO THE E CARIBBEAN TODAY...INTO THE 
CENTRAL CARIBBEAN TUE NIGHT...THEN MERGE INTO THE MONSOON TROUGH 
IN THE SW CARIBBEAN LATE WED AND THU.

WARNINGS...

GULF OF MEXICO...
.NONE.

.CARIBBEAN SEA AND TROPICAL N ATLC...
.AMZ082...TROPICAL STORM WARNING S OF 19N W OF 81W...
...TROPICAL STORM AND HURRICANE CONDITIONS EXPECTED N OF 17N W 
OF 84W THU AND FRI... 

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

$$
FORECASTER AL