000
AGXX40 KNHC 121939
MIMATS

MARINE WEATHER DISCUSSION         
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
335 PM EDT SUN APR 12 2009

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

GULF OF MEXICO...
A FRONTAL TROUGH IS MOVING N ALONG A LINE FROM CENTRAL FL TO 
CENTRAL LA WHILE A NEW COLD FRONT HAS MOVED JUST OFF THE COAST 
OF TX BUT IS NOT EXPECTED TO MOVE MUCH FURTHER E. A SECOND COLD 
FRONT WILL MOVE SE AND MERGE WITH THE REMNANTS OF THIS FRONT MON 
AFTERNOON...AND A THIRD FRONT OR SURGE WILL MOVE OFF THE TX 
COAST AROUND SUNSET MON. FOR SIMPLICITY WILL FOCUS ON FIRST WIND 
SHIFT LINE WHICH WILL EXTEND FROM FL BIG BEND TO CENTRAL BAY OF 
CAMPECHE SUNRISE TUE...FROM TAMPA BAY TO W YUCATAN PENINSULA AT
SUNSET TUE. THE FRONT IS THEN EXPECTED TO STALL FROM FL STRAITS 
ACROSS NORTHERN TIP OF YUCATAN PENINSULA TO CENTRAL BAY OF 
CAMPECHE EARLY WED...WITH THE FRONTAL REMNANTS MOVING BACK N AS 
WARM FRONT ACROSS THE CENTRAL GULF THU AND NE OF AREA FRI.

N ATLC...
A RIDGE EXTENDING E TO W ALONG 24N E OF THE BAHAMAS WILL SHIFT E 
OF 65W TONIGHT. A COLD FRONT EXTENDS ALONG 31N65W TO 27N79W 
BUT NOT EXPECTED TO MOVE MUCH FURTHER S TO THE W OF 65W. A 
PORTION OF THE FRONT W OF 75W MAY LIFT BACK N MON AND MON NIGHT
AND THE NLY WINDS 15-20 KT IN WAKE OF FRONT BECOME SLY AGAIN 
OVER WATERS W OF 75W BEGINNING EARLY MON. THE NEXT COLD FRONT 
MOVES OFF THE GA COAST LATE TUE WITH SW WINDS AHEAD OF FRONT AT 
25-30 KT. FRONT REACHES FROM 31N74W TO SE FL MIDDAY WED...AND 
FROM BERMUDA TO CENTRAL BAHAMAS EARLY THU...THEN DRIFT SE OVER 
THE SE ATLC WATERS THU NIGHT INTO EARLY SAT.
  
CARIBBEAN...
SE FLOW AT 15-20 KT OVER THE NW CARIBBEAN WILL CONTINUE THROUGH 
EXTENDED PERIOD WITH SURGES 20-25 KT IN SW GULF OF HONDURAS WITH 
ASSOCIATED SEAS REACHING A MAX OF 8 FT IN AREA OF THE SURGES 
NEAR 17.5N87W. OTHERWISE NE-E TRADES CURRENTLY AT 10-15 KT WILL 
INCREASE TO 15-20 KT TUE THROUGH FRI WITH THE LOCALLY ENHANCED 
WINDS AND SEAS TO 25 KT AND RESULTANT SEAS TO 10 FT ALONG COAST 
OF COLOMBIA.

ATLC...
.NONE.. 

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

FORECASTER NELSON. TROPICAL PREDICTION CENTER.