000
AGXX40 KNHC 270604 RRA
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 AM EDT TUE SEP 27 2011

UPDATED WARNINGS AND THE CARIBBEAN AND TROPICAL N ATLC W OF 55W 
SECTIONS FOR TROPICAL STORM OPHELIA.

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...
A 1013 MB HIGH PRES IS OVER THE NW GULF NEAR 27N92W. WEAK PRES 
PATTERN ACROSS THE GULF WILL CONTINUE THROUGH THE FRI. WINDS 
WILL BE GENERALLY LESS THAN 15 KT AND SEAS LESS THAN 3 FT. 
HOWEVER SLY WINDS AT 15 KT OVER THE FAR NW GULF...BUT MOSTLY 
OVER THE COASTAL WATERS TODAY AND TONIGHT. A COLD FRONT WILL 
APPROACH THE NW GULF FRI AND EXTEND FROM CENTRAL FLORIDA TO 
SOUTHERN TEXAS SAT. STRONG HIGH PRES BUILDS BEHIND THE FRONT AND 
WINDS WILL SHIFT TO THE N-NE AND INCREASE TO 15-20 KT ACROSS THE 
NORTHERN GULF SAT.

SW N ATLC S OF 31N W OF 65W...
HIGH PRES JUST N OF THE FORECAST AREA WILL GRADUALLY WEAKEN 
THROUGH THU. LOW PRES THE REMNANTS OF OPHELIA CURRENTLY LOCATED 
OVER THE N PORTION OF TROPICAL N ATLC ZONE WILL MOVE JUST E OF 
THE ZONE THU THROUGH SAT. WIND WILL INCREASE ACROSS THE END OF 
THE WEEK OVER THE FAR E PORTION OF THE AREA AS THE REMNANTS OF 
OPHELIA PASS JUST E OF THE AREA AND COULD POSSIBLY RE-DEVELOP 
INTO A TROPICAL CYCLONE.

CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W...
LOW PRES THE REMNANTS OF OPHELIA NEAR 19N59W DRIFTING TO THE 
WNW. THE LOW WILL MOVE W OF THE AREA TONIGHT. WINDS WILL BE 
20-25 KT NEAR THE LOW. THE REMNANTS OF OPHELIA HAS THE 
POSSIBILITY OF REDEVELOPING INTO A TROPICAL CYCLONE...AND IS 
FORECAST OT MOVE N OF THE AREA BY 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

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FORECASTER DGS