000
AGXX40 KNHC 220810
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
410 PM EDT THU SEP 22 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...
WEAK PRES PATTERN PREVAIL OVER GULF WATERS THROUGH FORECAST 
PERIOD.  LIGHT TO MODERATE BREEZE WITH SEAS 4 FT OR LESS ACROSS 
ENTIRE BASIN THROUGH FRI.  WEAK COLD FRONT MOVE THROUGH NE GULF 
LATE FRI THEN STALL ALONG W COAST OF FLORIDA OVER WEEKEND.

SW N ATLC S OF 31N W OF 55W...
HIGH PRES RIDGE JUST N OF AREA MAINTAIN MODERATE TO FRESH SE 
TRADES ACROSS MUCH OF BASIN.  WINDS AND SEAS INCREASE LATE THIS 
WEEKEND OVER SE CORNER AS TROPICAL STORM OPHELIA MOVES CLOSER TO 
65W.  BY MON...OPHELIA EXPECTED TO ENTER BASIN WITH WINDS 45 
GUST TO 55 KT AND SEAS UP TO 22 FT.

CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W...
TROPICAL STORM OPHELIA IN CENTRAL ATLC AT 13.3N46.5W AT 22/0900 
UTC EXPECTED TO HOLD ITS INTENSITY EARLY TODAY THEN BEGIN S 
WEAKENING TREND AS IT ENCOUNTER MORE ADVERSE UPPER LEVEL 
ENVIRONMENT.  CURRENT FORECAST BRINGS TROPICAL STORM FORCE WINDS 
INTO TROPICAL N ATLC WATERS EARLY FRI AHEAD OF STORM CENTER WITH 
MAX WINDS 45 GUSTS TO 55 KT AND SEAS TO 24 FT.  OFFICIAL OPHELIA 
TRACK PASSES IT NE OF WINDWARD ISLANDS WITH ONLY MINOR EFFECTS 
ON CARIBBEAN WATERS...MOSTLY NE CORNER. 

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

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

SW N ATLC...
...TROPICAL STORM CONDITIONS EXPECTED S OF 24N E OF 68W MON... 
AMZ080.
          
FOR ADDITIONAL INFORMATION PLEASE VISIT
HTTP://WWW.HURRICANES.GOV/MARINE

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FORECASTER AL