000
AGXX40 KNHC 210754
MIMATS

MARINE WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
353 AM EDT TUE OCT 21 2008

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

THE GULF OF MEXICO...A COLD FRONT MOVES INTO THE NORTHWESTERN
CORNER OF THE AREA ON LATE WED/EARLY THU...AND ENDS UP AFFECTING
ALL THE AREAS OF THE GULF SLOWLY BUT SURELY DAY BY DAY DURING
ITS EASTWARD MOVEMENT. THE WIND SPEEDS WEST OF THE FRONT 
INCREASE TO 20 TO 25 KT IN THE NW CORNER AND SW CORNER...AND
THE SEAS END UP BUILDING TO 7 TO 11 FT WEST OF 90W. THE SEA 
HEIGHTS END UP RANGING FROM 6 FT TO 9 FT EAST OF 90W. THE MIDDLE 
GULF OF MEXICO BECOMES MORE HEATED ON THURSDAY NORTH OF 25N ALSO
WITH 20 TO 25 KT WINDS. THE NOW-NORTHWESTERN CARIBBEAN SEA LOW 
PRESSURE CENTER EVENTUALLY IS FORECAST BY A CONSENSUS OF THE 
MODELS TO MOVE NORTHWARD INTO THE GULF OF MEXICO EAST OF 90W AND 
FINALLY INTO THE NORTHEASTERN GULF OF MEXICO...CONNECTING WITH 
THE COLD FRONT THAT IS ADVANCING FROM THE WEST.

THE CARIBBEAN SEA...THE NOW-NORTHWESTERN CARIBBEAN SEA 
1012 MB LOW CENTER EVENTUALLY WILL MOVE NORTHWARD AND OUT
OF THE AREA...INTO THE SOUTHERN GULF OF MEXICO LATE WEDNESDAY/
EARLY THURSDAY. THE CARIBBEAN SEA SOUTH OF 18N BETWEEN 70W AND 
77W OR SO WILL EXPERIENCE NE TO E WINDS AT LEAST TO 20 KT FOR 
MUCH OF THE PERIOD...NOT FALLING TO LESS THAN 20 KT UNTIL 
FRIDAY...BASED ON GRADIENT FLOW. 

THE ATLANTIC OCEAN...A COLD FRONT MOVES SOUTHWARD LATE 
WEDNESDAY/EARLY THURSDAY FROM THE NORTH AND GENERATES
20 TO 25 KT WINDS IN THE SW NORTH ATLANTIC OCEAN...NORTH
OF 25N WEST OF 70W AT LEAST. SEAS RANGE FROM 6 TO 9 FT.
THE WIND SPEEDS REMAIN IN THE 20 TO 25 KT RANGE
AND THE SEA HEIGHTS EVENTUALLY RANGE FROM 7 TO 10 FT
FRIDAY INTO SATURDAY.
 
WARNINGS...

ATLANTIC...
NONE.

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

FORECASTER DGS. TROPICAL PREDICTION CENTER.