000
AGXX40 KNHC 151800
MIMATS

MARINE WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT WED OCT 15 2008

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

UPPER LEVELS...
UPPER TROUGH IS OVER THE AREA AND WILL WEAKEN THROUGH FRIDAY. A 
BROAD FLAT PATTERN WILL RESULT. A BROAD UPPER TROUGH WILL EXTEND 
SOUTH TO NORTH OF 25N EARLY SUNDAY ALSO COVERING MOST OF THE 
AREA. THIS TROUGH WILL GRADUALLY WEAKEN THROUGH MONDAY.

STRONG MIDDLE LEVEL TROUGH IS EAST OF 75W AND A RIDGE CENTERED 
OVER NORTH FLORIDA COVERS THE AREA WEST OF 75W. THE TROUGH WILL 
WEAKEN THROUGH SATURDAY. ANOTHER STRONG SHORTWAVE TROUGH WILL 
MOVE SOUTHEAST OFF THE MIDDLE ATLANTIC EAST COAST AND BY SUNDAY 
WILL COVER THE ATLANTIC AREA NORTH OF ABOUT 24N. THE TROUGH WILL 
WEAKEN AND MOVE EAST OF 60W MONDAY.

SURFACE...
SEE THE NATIONAL HURRICANE CENTER TROPICAL CYCLONE DISCUSSIONS 
FOR TROPICAL CYCLONES OMAR AND SIXTEEN.

OTHERWISE HIGH CENTERED OVER THE SOUTHEAST UNTIED STATES WILL 
WEAKEN IN ADVANCE OF A COLD FRONT THAT MOVES OFF THE NORTHWEST 
GULF OF MEXICO COAST FRIDAY AND EXTENDS FROM NORTH FLORIDA TO 
THE MOUTH OF THE RIO GRANDE EARLY SATURDAY AND QUICKLY MOVES 
SOUTH OF THE GULF BY EARLY SUNDAY EXTENDING THROUGH 31N68W TO 
CENTRAL CUBA THEN LOSING ITS IDENTITY WEST OF 65W DURING SUNDAY. 
RIDGE WILL BE OVER THE SOUTHEAST UNITED STATES BEHIND THE FRONT.

WARNINGS...

ATLANTIC...
AMZ080...HURRICANE WARNING...OMAR.

CARIBBEAN...
AMZ082...TROPICAL STORM WARNING...TD SIXTEEN.
AMZ086...HURRICANE WARNING...OMAR.

GULF OF MEXICO...
NONE.

FORECASTER LL. TROPICAL PREDICTION CENTER.