000
AGXX40 KNHC 220838
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
430 AM EDT SAT AUG 22 2009

MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA
AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W.

GULF OF MEXICO...
ATLC HIGH PRES RIDGE EXTENDS INTO GULF ALONG 28N MAINTAINING A 
GENTLE W BREEZE N OF AXIS AND A MODERATE E ONE S OF AXIS.  WEAK 
DYING COLD FRONT/TROUGH SWINGS ACROSS NORTH FLORIDA AND NORTHERN 
GULF WATERS LATER TODAY WITH LITTLE CHANGE IN WIND SPEEDS.  SEAS 
REMAIN SLIGHT. 

CARIBBEAN...
TRADES ACROSS CARIBBEAN HAVE BEEN LESSER THAN CLIMATOLOGY AS 
HURRICANE BILL FLATTENED THE PRESSURE GRADIENT.  NOW THAT BILL 
HAS MOVED N AND ATLC RIDGE IS ABLE TO REBUILD...EASTERLY FLOW 
RETURNS TO THE BASIN.  TROPICAL WAVE ALONG 59W APPROACHING 
WINDWARDS TODAY BRING NEW SURGE OF WIND INTO BASIN THIS WEEKEND. 
MODEL GUIDANCE INCREASE EASTERLIES FRESH BREEZE COVERAGE TO E 
HALF OF BASIN BY TONIGHT BUILDING SEAS TO 9 FT...POSSIBLY HIGHER 
ACROSS THE E CENTRAL CARIB SUN.

ATLANTIC W OF 55W...
HURCN BILL MIGHT HAVE MOVED N OF BASIN BUT ITS EFFECT LINGER 
THROUGH TODAY AND ITS LARGE SW 12 FT SEAS RADII SHOULD MAINTAIN 
FLORIDA EASTERN SHORE ALERT FOR POSSIBLE LONG PERIOD SWELLS 
BREAKERS.  SWELLS FROM BILL S OF 25N SHOULD HAVE PEAKED AND 
EXPECTED TO SUBSIDE THROUGHOUT TODAY AND NEXT 12-24 HOURS.  BUOY 
41110 BEGINNING TO TAPER OFF AFTER REACHING 13 FT LAST NIGHT 
WITH A DOMINANT WAVE PERIOD OF 17 SECONDS. 

HIGH PRES RIDGE AND RETURN TO BROAD ZONE OF FRESH NE TO E TRADES 
RETURN TO TROPICAL ATLC ENHANCED BY TROPICAL WAVES ALONG 59W. 

WARNINGS

ATLC...
NONE.

CARIBBEAN...
.NONE. 

GULF OF MEXICO...
.NONE

$$
FORECASTER WALLY BARNES