000
AGXX40 KNHC 101618
MIMATS

MARINE WEATHER DISCUSSION 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1220 PM EDT SUN APR 10 2011

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

GULF OF MEXICO...
BUOY OBSERVATIONS INDICATE MODERATE TO FRESH SE TO S WINDS OVER 
MUCH OF THE WESTERN GULF THIS MORNING...BETWEEN HIGH PRES 
CENTERED OVER FLORIDA AND A COLD FRONT MOVING E THROUGH W TEXAS. 
SEAS ARE GENERALLY 5 TO 7 FT ARE NOTED OVER MUCH OF THE AREA W 
OF 90W...WITH 8 FT PLAUSIBLE OFF THE TEXAS COAST. WINDS WILL 
DIMINISH MON AFTERNOON...JUST AS THE COLD FRONT STARTS TO EMERGE 
OFF THE TEXAS COAST. FRESH NW WINDS WILL FOLLOW THE FRONT OVER 
THE NW GULF MON EVENING. THE FRONT WILL REACH 29N83W TO 27N93W 
TO 20N97W BY EARLY TUE..WITH N WINDS TO 20 KT ALONG THE VERACRUZ 
COAST THROUGH LATE TUE. THE FRONT STALLS FROM THE FLORIDA BIG 
BEND TO THE BAY OF CAMPECHE BY LATE TUE...THEN DISSIPATES AS 
UPPER SUPPORT LIFTS OUT AND RIDGING BUILDS OVER THE SE UNITED 
STATES. SE RETURN FLOW BUILDS OVER THE WESTERN GULF BY THU AS 
THE HIGH PRES SHIFTS E AND LOW PRES MOVES INTO THE CENTRAL 
PLAINS. AN ASSOCIATED COLD FRONT WILL MOVE OFF THE NORTHERN GULF 
COAST BY FRI NIGHT...FOLLOWED BY 20 KT NORTHERLY FLOW.

CARIBBEAN SEA AND TROP N ATLC...
HIGH PRES CENTERED OVER FLORIDA IS MAINTAINING FRESH TRADES OVER 
THE CENTRAL CARIBBEAN AS WELL AS THROUGH THE WINDWARD PASSAGE. 
FRESH E TO SE WINDS ARE ALSO NOTED OVER THE GULF OF HONDURAS. 
WINDS TO 25 KT PERSIST OFF COLOMBIA. THE HIGH PRES WEAKENS AND 
SHIFTS E AHEAD OF A WEAK COLD FRONT MOVING INTO THE GULF OF 
MEXICO...ALLOWING TRADE WIND FLOW TO RELAX OVER MOST OF THE 
CARIBBEAN BY MON NIGHT. AS THE HIGH PRES SHIFTS E...IT WILL 
ALLOW FRESH TRADES TO PERSIST OVER THE WATERS E OF THE WINDWARD 
ISLANDS TO 55W THROUGH THU...DIMINISHING BY FRI.

SOUTHWEST N ATLC W OF 55W...
A COLD FRONT EXTENDS FROM 31N57W TO 29N65W THEN BECOMES 
STATIONARY TO 31N77W. THE FRONT WILL START TO DRIFT S TODAY AND 
DISSIPATE ALONG 26N OVERNIGHT. A SECOND COLD FRONT WILL MOVE 
INTO THE NW WATERS TUE MORNING...STALLING FROM 31N70W TO SE 
FLORIDA BY WED NIGHT...THEN GRADUALLY DISSIPATING THROUGH THU AS 
HIGH PRES BUILDS N OF 25N. THE HIGH PRES WILL SHIFT E FRI AHEAD 
OF AN APPROACHING COLD FRONT MOVING THROUGH SE UNITED STATES. 
THIS WILL ALLOW SE TO S RETURN FLOW TO INCREASE N OF THE BAHAMAS 
AND OFF THE N FLORIDA COAST BY LATE FRI.

WARNINGS..

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

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

$$
FORECASTER CHRISTENSEN