000
AGXX40 KNHC 291837
MIMATS

MARINE WEATHER DISCUSSION        
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
300 PM EDT WED APR 29 2009
 
MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND 
SOUTHWEST NORTH ATLC S OF 31N W OF 55W.

GULF OF MEXICO...
WINDS FINALLY EASED ACROSS ALL SECTIONS...EXCEPT EXTREME SE  
PORTIONS ACROSS STRAITS OF FLORIDA...AS ATLC HIGH PRES RIDGE IS 
FORCED OUT OF ITS POSITION BY INCOMING COLD FRONT NOW 
APPROACHING MID ATLC SEABOARD.  WITH DIMINISHING WINDS DIRECTLY 
OPPOSITE THE FLORIDA CURRENT THE HIGHER THAN NORMAL AND STEEPER 
SEAS HAVE SUBSIDED ALTHOUGH STILL SHOULD REMAIN NEAR 10 FT TILL 
FRI.  DOWNWARD TREND EXPECTED TO CONTINUE THROUGH SUN EXCEPT N 
OF 25N W OF 95W WHERE SOUTHERLY RETURN FLOW MAINTAINS FRESH 
BREEZE ALONG TEXAS COAST WITH SEAS BELOW 8 FT.
 
SW N ATLC...
WEAKENED 1030 MB HIGH PRES AT 33N70W CONTINUE FORCING BROAD 
SWATH OF 20 KT NE-E WINDS ACROSS BASIN S OF 26N...WITH POCKETS 
OF 25 KT FUNNELING THROUGH STRAITS OF FLORIDA INTO SE GULF.  
WITH DIMINISHING NE WINDS AT ITS SOURCE...SEAS AND SWELLS N OF 
25N SUBSIDED SIGNIFICANTLY ACROSS ENTIRE BASIN.  BOTH WINDS AND 
SEAS HAVE PEAKED ACROSS REGION BUT NOT TO THE PREVIOUSLY THROUGH 
EXTENT...MAINLY S OF 25N...FRESH EASTERLY BREEZE EXPECTED TO 
CONTINUE THROUGH FORECAST PERIOD AS NEW RIDGE ESTABLISHES JUST N 
OF 31N. 

CARIBBEAN AND TROPICAL N ATLC...
SIMILARLY TO ABOVE BASINS...CARIBBEAN AND TROPICAL ATLC ARE 
EXPERIENCING DIMINISHING EASTERLY FLOW DUE TO WEAKENED ATLC HIGH 
PRESS.  SEAS RESPONDING ACCORDINGLY WITH MINOR SWELLS LINGERING
S OF 15N E OF 58W.  WHAT IS DIFFERENT S OF 20N IS FLIP FLOPPING 
OF GLOBAL GUIDANCE BACKING OUT OF PREVIOUS FORECAST AND NOW 
KEEPING FRESH TRADES THROUGH FORECAST PERIOD. 

ATLC...
.NONE.. 

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

FORECASTER WALLY BARNES. TROPICAL PREDICTION CENTER.