000
AGXX40 KNHC 110554
MIMATS

MARINE WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
200 AM EDT TUE MAY 11 2010

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

STRONG HIGH PRES CENTERED OVER THE ATLC OFF THE MIDDLE ATLC 
STATES COMBINED WITH LOWER PRES OVER TEXAS HAS TIGHTENED THE
PRES GRADIENT OVER THE GULF OF MEXICO. WINDS HAVE INCREASED TO
15-20 KT ACROSS MOST OF THE AREA...EXCEPT OVER THE NE GULF.
THESE CONDITIONS ARE EXPECTED TO CONTINUE THROUGH THU THEN
DECREASE SOME ON FRI AND SAT...HOWEVER BRISK ELY WINDS WILL
CONTINUE THROUGH THE STRAITS OF FLORIDA THROUGH THE END OF
THE WEEK.

WEAKENING ATLC COLD FRONT FROM 28N65W TO 26N70W WILL MOVE E OF 
THE AREA LATER THIS MORNING. HIGH PRES BUILDS N OF THE AREA
WITH 15-20 KT WINDS ACROSS MOST OF THE AREA TODAY THEN MOSTLY
CONFINED TO S OF 26N/27N THROUGH FRI AND S OF 24N SAT AS THE 
HIGH PRES CENTER DRIFTS S.

AS HIGH PRES BUILDS ACROSS THE ATLC DURING THE FORECAST PERIOD 
TIGHTENING THE PRES GRADIENT ACROSS THE CARIBBEAN. THIS WILL 
ALLOW FOR TRADES TO INCREASE ACROSS MUCH OF THE REGION THROUGH 
FRI. 20-25 KT NE TO E TRADES ACROSS THE SRN CARIBBEAN WILL 
EXPAND N AND NW TODAY AND COULD INCREASE TO AROUND 30 KT OFF THE 
COAST OF COLOMBIA. ELY WINDS OF 20-25 KT SHOULD COVER ALL BUT 
THE FAR EASTERN CARIBBEAN THROUGH FRI. E OF ABOUT 65W...E WINDS 
WILL BE IN THE 15-20 KT RANGE.

WARNINGS...
ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

FOR ADDITIONAL INFORMATION PLEASE VISIT 
HTTP://WWW.HURRICANES.GOV/MARINE

$$
FORECASTER DGS