000
AGXX40 KNHC 220458
MIMATS

MARINE WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
100 AM EDT WED OCT 22 2008

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

UPPER LEVELS...
STRONG SHORTWAVE...WITH A CYCLONIC CIRCULATION CENTER...OVER THE 
GREAT PLAINS WILL SLOWLY MOVE EAST AND REACH THE EAST UNITED 
STATES COAST EARLY SUNDAY THEN BE PICKED UP BY STRONG LONGWAVE 
TROUGH DURING SUNDAY. BY LATE SUNDAY THE LONGWAVE TROUGH WILL BE 
NORTH OF 25N OVER THE GULF OF MEXICO AND THE ATLANTIC WEST OF 
75W. THE TROUGH WILL BE MOSTLY NORTH OF 30N.

OTHERWISE BROAD RIDGE IS OVER THE AREA.

SURFACE...
RIDGE BUILD ALONG THE EAST U.S. COAST TODAY AND TONIGHT. COLD 
FRONT WILL MOVE OFF TEXAS COAST TONIGHT AND BY EARLY FRIDAY 
EXTEND NORTH SOUTH ACROSS THE GULF OF MEXICO ALONG ABOUT 89W. 
STRONG PRESSURE GRADIENT BETWEEN THE FRONTAL TROUGH AND THE 
RIDGE ALONG THE EAST U.S. COAST WILL BE MAINLY OVER THE ATLANTIC 
AREA AND THE NORTHEAST GULF OF MEXICO. THE FRONT WILL CONTINUE 
TO MOVE EAST AND BY EARLY FRIDAY EXTEND FROM NORTH FLORIDA TO 
THE YUCATAN PENINSULA. THE FRONT WILL MOVE TO NEAR 31N73W TO 
WESTERN CUBA TO THE YUCATAN PENINSULA BY EARLY SUNDAY...AND TO 
31N70W TO CENTRAL BAHAMAS ACROSS WEST CENTRAL CUBA TO YUCATAN 
PENINSULA LATE SUNDAY. MOST OF THE WIND ASSOCIATED WITH THE 
FRONT WILL BE IN THE ATLANTIC AREA AHEAD OF THE FRONT.

TRADES IN THE TROPICAL ATLANTIC WILL BE LESS THAN NORMAL THROUGH 
SUNDAY. TRADES IN THE CARIBBEAN WILL BE NEAR NORMAL FALLING THE 
LESS THAN NORMAL SATURDAY AND SUNDAY AS THE FRONTAL TROUGH 
WEAKENS THE RIDGE NORTH OF THE AREA.
 
WARNINGS...

ATLANTIC...
NONE.

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

FORECASTER LL. TROPICAL PREDICTION CENTER.