000
AGXX40 KNHC 081929
MIMATS

MARINE WEATHER DISCUSSION        
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
300 PM EDT FRI MAY O8 2009
 
MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND 
SOUTHWEST NORTH ATLC S OF 31N W OF 55W.

GULF OF MEXICO...
DEPARTING 1017 MB HIGH PRES OVER FLORIDA WITH AN ASSOCIATED 
RIDGE AXIS EXTENDING WWD ALONG 29N IS RESULTING IN A BROAD FETCH 
OF SE TO S WINDS OVER THE GULF WITH 15-20 KT WINDS ALONG THE 
TEXAS COAST AND ELSEWHERE W OF 94W. THE RIDGE IS FORECAST TO 
WEAKEN AND SLIDE SWD LATE SAT THROUGH MON IN ADVANCE OF A 
WEAKENING BACK DOOR TYPE COLD FRONT WHICH IS SLATED TO MOVE INTO 
THE FAR NE GULF MON NIGHT/EARLY TUE BEFORE DISSIPATING LATE TUE. 
LIGHT WINDS PREVAIL OVER THE NRN TWO THIRDS OF THE GULF AS THE 
HIGH SETTLES OVER THE AREA...BUT SHIFT TO THE NE AND REMAIN 
LIGHT BEHIND THE FRONT. ON WED E TO SE FLOW SPREADS OVER THE 
GULF AS HIGH PRES STRENGTHENS OFF THE MID ATLC COAST.  
 
SW N ATLC...
SURFACE TROUGH NOTED EARLIER OVER THE WESTERN ATLC FROM THE 
BAHAMAS TO EASTERN CUBA HAS DISSIPATED AS IT ROUNDED THE WRN 
PERIPHERY OF AN ATLC RIDGE WHICH EXTENDS WWD ALONG 28N TO 80W.
RIDGE WILL BUILD ACROSS FLORIDA ALONG 27N/28N SAT..THEN SLIDE 
SLOWLY SWD TO ALONG 27N SUN AND MON IN ADVANCE OF A BACK DOOR 
FRONT WHICH ENTERS THE FAR NW CORNER OF THE AREA MON NIGHT
AND EXTENDS FROM 31N73W TO NE FLORIDA BY LATE TUE AND WEAKENING 
FROM BERMUDA TO 31N65W TO JUST NE OF THE BAHAMAS BY LATE WED. SW 
WINDS INCREASE TO 15-20 KT WITHIN 240 NM E OF THE FRONT TUE AND 
WED THEN SHIFT TO THE NE AT 15-20 KT WITH FRONTAL PASSAGE AND 
ELSEWHERE NW OF FRONT.   

CARIBBEAN AND TROPICAL N ATLC...
TRADES IN THE CARIBBEAN IN THE 15-20 KT RANGE AREA GENERALLY E 
OF 75W WILL INCREASE TO 25 KT NEAR THE COAST OF COLOMBIA AS THE 
ATLC RIDGE STRENGTHENS OVER THE WEEKEND. ELY WINDS 10-15 KT ARE
EXPECTED ACROSS THE REMAINDER OF THE CARIBBEAN...WITH LITTLE 
CHANGE THROUGH EARLY NEXT WEEK. AS FOR THE TROPICAL N ATLC 
INITIAL SURGE OF NE WINDS OF 20 KT TONIGHT DROP OFF TO 10-15 KT 
LATE SAT THROUGH MON...THEN PICK UP SLIGHTLY TO 15-20 KT TUE AND 
WED.   

ATLC...
.NONE. 

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

FORECASTER COBB. TROPICAL PREDICTION CENTER.