000
AGXX40 KNHC 211746
MIMATS

MARINE WEATHER DISCUSSION         
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
145 PM EDT TUE APR 21 2009

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

GULF OF MEXICO...
A COLD FRONT EXTENDING OVER THE FL STRAITS WILL MOVE SE OF AREA 
AROUND SUNSET TODAY. HIGH PRES IS ALREADY CENTERED OVER THE W 
GULF NEAR 26N97W AND EXPECTED TO MOVE SLOWLY E-NE ALONG 26N-27N 
WED THEN MOVE ACCELERATE NE THU AND FRI. WINDS AROUND PERIPHERY 
OF THE ASSOCIATED RIDGE WILL INCREASE TO 15-20 KT THU...THEN 
FURTHER INCREASE TO 20-25 KT LATE FRI IN FL STRAITS AND OVER THE 
NW GULF SAT AND SUN.
 
SW N ATLC...
WEAK LOW PRES CONTINUES NEAR 26N56W 1022 MB WITH REMNANTS OF A 
FRONTAL TROUGH EXTENDING W OF THE CENTER AND MOVING N IN 
ADVANCE OF A COLD FRONT/PRE-FRONTAL TROUGH SYSTEM ABOUT TO MOVE 
INTO THE NW BAHAMAS. FRONT WILL LOSE ITS PUSH LATE WED NIGHT 
ALONG PSN FROM BERMUDA TO SE BAHAMAS. REMNANTS OF FRONT EXPECTED 
TO MEANDER OVER THE SE WATERS THROUGH SAT. WIND AND SEAS STILL 
EXPECTED TO BE HIGHER TO E OF FRONT. HIGH PRES W OF FRONT WILL 
CONTINUE THROUGH SUN WITH E WINDS DIMINISHING TO 15 TO 20 KT 
SUN. 

CARIBBEAN AND TROPICAL N ATLC...
A WEAK COLD FRONT OVER THE YUCATAN CHANNEL WILL CONTINUE E 
THROUGH THE SOUTHERN CUBA COASTAL WATERS REACHING NEAR THE 
WINDWARD PASSAGE THU NIGHT WHERE IT SHOULD LOSE IDENTITY. 
OTHERWISE...ATLC RIDGE N OF AREA WILL MAINTAIN FRESH ELY TRADES 
ACROSS THE REGION THROUGH THE PERIOD WITH LOCALLY ENHANCED WIND 
AND SEAS ALONG THE COAST OF COLOMBIA. 

ATLC...
.NONE.. 

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

FORECASTER NELSON. TROPICAL PREDICTION CENTER.
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