000
AGXX40 KNHC 281636
MIMATS

MARINE WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
1235 PM SAT OCT 28 2006

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

UPPER LEVELS...
ANTICYCLONE CENTERED OVER THE ATLANTIC NEAR 25N55W WITH A RIDGE 
EXTENDING WEST SOUTHWESTWARD OVER THE GREATER ANTILLES AND 
SOUTHERN MEXICO.  MIDDLE LATITUDE TROUGH OVER THE WESTERN PART 
OF THE ATLANTIC AREA...FLORIDA AND THE GULF OF MEXICO WITH A 
STRONG SHORTWAVE ASSOCIATED WITH THE FRONT.  SHORTWAVE WILL 
RAPIDLY WEAKEN AND THE LONGWAVE TROUGH WILL ALSO WEAKEN WITH 
NEAR ZONAL FLOW BY MONDAY.  NEXT MIDDLE LATITUDE TROUGH 
APPROACHES THE WEST GULF TUESDAY BUT IS WEAKER THAN THE CURRENT 
ROUGH WITH NEAR ZONAL WESTERLY FLOW OVER THE GULF OF MEXICO AND 
FLORIDA NORTH OF 25N WEDNESDAY AND THURSDAY.  RIDGE CHANGES 
LITTLE THROUGH TUESDAY THEN WEAKENS SOME WEDNESDAY AND THURSDAY 
BUT REMAINS IN NEARLY THE SAME POSITION.

SURFACE...
STRONG COLD FRONT WILL WEAKEN RAPIDLY AS ABOVE STRONG SHORTWAVE 
RAPIDLY WEAKENS. AS THE FRONT WEAKENS RIDGE BUILDS WEST TO EAST 
JUST NORTH OF THE AREA. RIDGE CONTINUES THROUGH THURSDAY BUT 
WEAKENS SOME WEST OF FLORIDA WEDNESDAY AND THURSDAY.  NO OTHER 
FRONTS MAKE IT INTO THE AREA.

GFS MODEL INDICATES WEAK LOW DEVELOPING IN THE EASTERN BAHAMAS 
MONDAY AND MOVING NORTH LATE TUESDAY THROUGH THURSDAY.

WARNINGS...

ATLC...
GALE WARNING N OF 28N BETWEEN 72W AND 80W...AMZ080.

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

FORECASTER LL