000
AGXX40 KNHC 211814
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
220 PM EDT WED SEP 21 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...
A WEAK PRESSURE PATTERN WILL PREVAIL OVER THE GULF WATERS 
THROUGH THE FORECAST PERIOD. LATEST SURFACE OBSERVATIONS 
INDICATE LIGHT TO MODERATE WINDS AND SEAS 3 FT OR LESS ACROSS 
THE AREA. A WEAK COLD FRONT WILL MOVE THROUGH THE NE GULF LATE 
FRI THEN WILL STALL ALONG THE WEST COAST OF FLORIDA OVER THE 
WEEKEND.

SW N ATLC S OF 31N W OF 55W...
A HIGH PRES RIDGE JUST N OF THE AREA WILL MAINTAIN MODERATE TO 
FRESH SE TRADES ACROSS MUCH OF THE AREA AS DEPICTED BY THE 
LATEST ASCAT PASS AND SURFACE OBSERVATIONS. WINDS AND SEAS WILL 
INCREASE LATE THIS WEEKEND AS TROPICAL STORM OPHELIA MOVES 
CLOSER TO THE AREA. 

CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W...
TROPICAL STORM OPHELIA IN THE CENTRAL ATLC NEAR 13N43.6W THIS 
MORNING IS EXPECTED TO WEAKEN SLIGHTLY AS IT MOVES WESTWARDS. 
THE CURRENT FORECAST BRINGS TROPICAL STORM FORCE WINDS INTO THE 
TROPICAL N ATLC WATERS FRIDAY AHEAD OF THE STORM CENTER. THE 
CENTER OF OPHELIA IS FORECAST TO ENTER THE AREA LATE FRI WITH 
MAX WINDS 45 KT GUSTING TO 55 KT. 

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

CARIBBEAN SEA AND TROPICAL N ATLC...
...TROPICAL STORM CONDITIONS EXPECTED FRI THROUGH SUN...AMZ087.

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

$$
FORECASTER AL