000
AGXX40 KNHC 231755
MIMATS

MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT MON 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. CONTINUES TO 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 
THROUGH TUE NIGHT AS THE PRES GRADIENT TIGHTENS BETWEEN LOW PRES 
IN THE WESTERN CARIBBEAN AND HIGH PRES OVER THE SE U.S. THE LOW 
AND THE HIGH BOTH WEAKEN WED AND THE WINDS DECREASE. A COLD 
FRONT WILL APPROACH THE TEXAS COAST LATE THU. THE FRONT WILL 
MOVE RAPIDLY ACROSS THE AREA FRI EXTENDING FROM SE LOUISIANA TO 
THE BAY OF CAMPECEN FRI AFTERNOON.

SW N ATLC S OF 31N W OF 55W...
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 NLY WINDS INCREASING 15-20 KT N OF AROUND 27N TUE NIGHT 
THROUGH WED NIGHT THEN DECREASE THU AND FRI.

CARIBBEAN SEA AND TROPICAL N ATLC... 
LOW PRES...1006 MB...IN THE THE SW CARIBBEAN NEAR 14N81W IS 
FORECAST TO GRADUALLY MOVE NWD. THERE A CHANCE THE THE 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 INTO THE WESTERN 
CARIBBEAN LATE WED NIGHT THEN STALL IN THE SW CARIBBEAN THU AND 
FRI.

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 DGS