000
AGXX40 KNHC 100547
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 AM EDT MON OCT 10 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...
TIGHT PRES GRADIENT OVER THE N GULF WITH STRONG HIGH PRES OVER 
THE NE U.S. AND A TROUGH IN THE SE GULF. THIS GRADIENT IS 
MAINTAINING 20-25 KT WINDS OVER THE NE GULF...GENERALLY N OF 27N 
E OF 90W. THE WINDS WILL DECREASE SOME TONIGHT AND BE LESS THAN 
20 KT BY TUE. LOW PRES IS EXPECTED TO MOVE INTO THE E GULF OF 
MEXICO TONIGHT THEN MOVE NE OF THE AREA TUE.

SW N ATLC S OF 31N W OF 65W...
A LOW LEVEL TROUGH IS INTERACTING WITH AN UPPER LEVEL TROUGH TO 
CREATE ACTIVE WEATHER WITH PLENTY OF SHOWERS AND TSTMS OVER THE 
WESTERN PART OF THE AREA. TIGHT PRES GRADIENT BETWEEN THE TROUGH 
OVER FLORIDA AND HIGH PRESSURE OVER THE NE U.S. WITH GALE FORCE 
WINDS N OF 28N W OF 75W. THE WINDS WILL DECREASE TO BELOW GALE 
FORCE TONIGHT AS THE HIGH PRES SHIFTS FURTHER NE AND THE PRES 
PATTERN WEAKENS WITH WINDS DECREASING THROUGH THE REMAINDER OF 
THE WEEK.

CARIBBEAN SEA AND TROPICAL N ATLC... 
ELY WINDS 15-20 KT OVER THE CENTRAL CARIBBEAN TODAY AND TONIGHT 
WILL DECREASE ON TUE AS THE PRES GRADIENT RELAXES. OTHERWISE 
MOSTLY LIGHT WINDS ACROSS THE AREA THROUGH THU...THEN ELY WINDS 
ONCE AGAIN INCREASE TO 15-20 KT OVER THE EASTERN CARIBBEAN.

WARNINGS...
GULF OF MEXICO...
.NONE.

CARIBBEAN SEA...
.NONE.

TROPICAL N ATLC...
.NONE.

SW N ATLC...
.AMZ080...GALE WARNING N OF 28N W OF 75W...
          
FOR ADDITIONAL INFORMATION PLEASE VISIT
HTTP://WWW.HURRICANES.GOV/MARINE

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FORECASTER DGS