000
AGXX40 KNHC 031745
MIMATS

MARINE WEATHER DISCUSSION        
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT SUN MAY O3 2009
 
MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND 
SOUTHWEST NORTH ATLC S OF 31N W OF 55W.

GULF OF MEXICO...
RIDGE AXIS REMAINS NE OF GULF MAINTAINING FRESH SE BREEZE 
THROUGH ENTIRE BASIN.  VERY WEAK COLD FRONT ENTERS NE CORNER OF 
GULF EARLY MON DISRUPTING PATTERN...BUT THEN QUICKLY STALLS AND 
SHIFT NE INTO NORTHERN GULF COASTAL WATERS BY TUE.  SE FLOW 
REESTABLISHES ACROSS BASIN WITH SLIGHTLY HIGHER RETURN FLOW W OF 
95W. 
 
SW N ATLC...
SURFACE TROUGH IN EASTERLIES EXTEND FROM 28N61W TO 21N64W 
DRIFTING NW.  SCATTERED CONVECTION WITHIN 180 NM E SIDE OF AXIS 
ENTER SW N ATLC TONIGHT AND REACH ALONG 70W MON THEN WEAKENS AND 
BECOMES DIFFUSE ALONG 74W TUE.  WINDS AND SEAS E OF TROUGH 
EXPECTED TO REACH 20-25 KT AND 8-10 FT SEAS...WHILE REMAINING 
UNDER 20 KT AND 8 FT W OF AXIS. HIGH PRES CENTER REBUILDS 
WESTWARD ONCE TROUGH DIFFUSES. 

CARIBBEAN AND TROPICAL N ATLC...
TAIL END OF ATLC TROUGH DISCUSSED ABOVE BROKE OFF AND CONTINUED 
MOVING W ACROSS CARIBBEAN SEA.  TRADES HAVE DEFINITELY DIMINISH 
ACROSS ENTIRE BASIN AS PRES GRADIENT EASE OVER BASIN.  WINDS 
ASSOCIATED WITH TROUGH NOT EXPECTED TO BE ABOVE MODERATE OR 
FRESH BREEZE THROUGH ITS PATH TO 74W THEN WEAKEN AND BECOME 
DIFFUSE. E WINDS INCREASE OVER TROPICAL N ATLC TUE THROUGH THU 
AND LONG FETCH UNDER LARGE ATLC RIDGE BRINGS MODERATE SWELLS 
INTO AREA.

ATLC...
.NONE.. 

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

FORECASTER WALLY BARNES. TROPICAL PREDICTION CENTER.