000
AGXX40 KNHC 280510
MIMATS

MARINE WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
110 AM EDT TUE OCT 28 2008

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

UPPER LEVELS...
STRONG DEEP LAYER TROUGH IS OVER THE AREA NORTH OF 25N WITH AN 
AXIS OVER FLORIDA. THE TROUGH WILL ROTATE THROUGH THE AREA WITH 
THE AXIS PASSING EAST OF BERMUDA LATE THURSDAY. A SECONDARY 
TROUGH PASSES THROUGH THE MAIN TROUGH IN THE ATLANTIC AREA 
THURSDAY. WEAK WESTERLIES WILL BE LEFT BEHIND THE TROUGH NORTH 
OF 25N. ON SATURDAY A WEAK TROUGH WILL MOVE SOUTHEAST OVER THE 
SOUTHEAST UNITED STATES AND COVER MOST OF THE GULF OF MEXICO BY 
LATE SATURDAY. ELSEWHERE RIDGE PREDOMINATES.

SURFACE...
COLD FRONT ASSOCIATED WITH A STRONG PUSH OF COLD AIR WILL MERGE 
WITH THE COLD FRONT OVER THE ATLANTIC LATE TODAY ALONG A LINE 
FROM NEAR BERMUDA TO WINDWARD PASSAGE TO EASTERN HONDURAS. MAIN 
CENTER OF THE HIGH WILL REMAIN OVER MISSISSIPPI AND THE FRONT 
WILL SLOW AND LOOSE ITS IDENTITY OVER THE SOUTHEAST PART OF THE 
ATLANTIC AREA AND ACROSS THE NORTH CENTRAL CARIBBEAN AS THE HIGH 
BRIDGES THE FRONT. THE RIDGE WILL CONTINUE TO CAUSE STRONG 
EASTERLY FLOW THROUGH FRIDAY. THE RIDGE WILL WEAKEN SATURDAY 
WITH THE WINDS FALLING TO MOSTLY LESS THAN 20 KT BY LATE 
SATURDAY.

ATLANTIC...
NONE.

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

FORECASTER LL. TROPICAL PREDICTION CENTER.