000
AGXX40 KNHC 251827
MIMATS

MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
230 PM EDT THU AUG 25 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 CENTER OVER SE STATES MAINTAIN ANTICYCLONIC LIGHT TO 
MODERATE BREEZE ACROSS MOST OF BASIN.  TIGHT PRES GRADIENT WITH 
CATEGORY THREE HURRICANE IRENE...PRESENTLY OVER NW BAHAMAS... 
BRING MODERATE TO FRESH N-NE WINDS ACROSS EASTERN LONGITUDES... 
INCLUDING STRAITS OF FLORIDA.  SEA HEIGHTS CONSTRAINED BY FETCH 
AND DURATION MAY NOT BUILD SIGNIFICANTLY.  WEAK COLD FRONT 
APPROACH NE GULF WATERS LATE FRI BRINGING MODERATE TO FRESH 
FRESH W BREEZE N OF 27N THROUGH MON.
   
SW ATLC S OF 31N W OF 55W...
HURCN IRENE...CURRENTLY MAJOR CATEGORY THREE HURRICANE...NOW 
OVER AT 2 7 MOVE NW ACROSS BAHAMAS THROUGH LATE FRI.  IRENE 
FORECAST TO MOVE OUT OF SW N ATLC ZONE FRI NIGHT LEAVING LARGE 
CYCLONIC WIND FIELD IN ITS WAKE IMPACTING ENTIRE SW ATLC ZONE 
WITH FRESH TO STRONG WINDS AND SEAS GREATER THAN 8 FT OVER MOST 
OF BASIN.  REFER TO WTNT24 KNHC/MIATCMAT4 FOR LATEST INFORMATION 
ON IRENE.

CARIBBEAN SEA AND TROPICAL N ATLC S OF 22N W OF 55W...ENTIRE 
BASIN REMAINS UNDER LARGE IRENE CYCLONIC CIRCULATION WITH MOSTLY 
LIGHT SW BREEZE W OF 75W...LIGHT S WIND FROM 70W-75W AND 
MODERATE SE E OF 70W.  CENTRAL ATLC RIDGE REBUILDS SW IN WAKE OF 
IRENE AND MODERATE E-SE BREEZE TAKES OVER ENTIRE BASIN BY MON 
INCREASING LATE IN PERIOD TO FRESH BREEZE ALONG VENEZUELAN AND 
COLOMBIAN COASTS. 

WARNINGS...

GULF OF MEXICO...
.NONE.

CARIBBEAN AND TROPICAL N ATLC...
.NONE.

SW N ATLC...
.AMZ080...HURCN WRNG N OF 20N E OF 71W.
          
FOR ADDITIONAL INFORMATION PLEASE VISIT
HTTP://WWW.HURRICANES.GOV/MARINE

$$
FORECASTER WALLY BARNES