000
AGXX40 KNHC 151754
MIMATS

MARINE WEATHER DISCUSSION  
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
100 PM EST TUE DEC 15 2009

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

UPPER LEVELS...
BROAD ANTICYCLONIC CIRCULATION COVERS THE AREA AND IS CENTERED 
OVER THE SOUTHEAST BAHAMAS. HIGH WILL WEAKEN AND CONTRACT 
SOUTHWARD AND BY THURSDAY WILL BE OVER NORTHERN SOUTH AMERICA 
WITH MODERATE WESTERLIES NORTH OF 22N. A SHORTWAVE WILL MOVE OFF 
THE LOWER TEXAS COAST THURSDAY AND MOVE ACROSS THE NORTHERN GULF 
OF MEXICO AND BECOME ABSORBED BY THE WESTERLIES LATE FRIDAY AND 
EARLY SATURDAY OVER THE NORTHWEST PART OF THE ATLANTIC AREA. 
FROM THURSDAY THROUGH SATURDAY THE WESTERLIES WILL STRENGTHEN 
WITH STRONG WESTERLIES NORTH OF 25N SATURDAY AND SUNDAY AND 
MODERATE WESTERLIES NORTH OF 20N. 

SURFACE...
COLD FRONT OVER THE NORTHWEST GULF OF MEXICO WILL RAPIDLY MOVE 
EAST NORTH OF 27N AND BY WED NIGHT LIE ALONG 27N ACROSS MOST OF 
THE AREA. A FRONTAL TROUGH OVER THE WESTERN GULF ALONG ABOUT 95W 
WILL STRENGTHEN AS THE ABOVE MENTIONED SHORTWAVE MOVES OVER THE 
SURFACE TROUGH. LOW WILL DEVELOP AND MOVE ACROSS THE NORTH GULF 
THURSDAY AND FRIDAY AND CROSS NORTH FLORIDA LATE FRIDAY AND BY 
LATE SATURDAY BE JUST NORTH OF THE AREA NEAR 33N72W AND CONTINUE 
TO MOVE NORTHEAST THROUGH SUNDAY. STRONG WINDS ASSOCIATED WITH 
THE LOW WILL IMPACT ALL OF THE GULF OF MEXICO AND THE ATLANTIC 
AREA NORTH OF 23N. GALE FORCE WINDS WILL OCCUR IN THE ATLANTIC 
AREA NORTH OF ABOUT 26N ON SATURDAY AND WILL LINGER IN THE 
EASTERN PART OF THE ATLANTIC AREA THROUGH SUNDAY MORNING.

STRONG WINDS IN THE SOUTHERN CARIBBEAN WILL CONTINUE THROUGH 
EARLY THURSDAY THEN THE RIDGE NORTH OF THE AREA WILL WEAKEN AS 
THE LOW MOVES EASTWARD NORTH OF THE AREA. THE ASSOCIATED COLD 
FRONT WILL MOVE OVER THE YUCATAN CHANNEL FRIDAY AND BY MIDDAY 
SATURDAY WILL EXTEND FROM CENTRAL CUBA TO NICARAGUA AND BY 
MIDDAY SUNDAY EXTEND FROM HAITI TO WESTERN PANAMA. WINDS WEST OF 
THE FRONT WILL BE MOSTLY 20 KNOTS WITH OCCASIONALLY 25 KNOTS. 
  
WARNINGS...

ATLC...
NONE. 

CARIBBEAN...
.AMZ084 AND AMZ086...GALE WARNING NEAR THE COAST OF COLOMBIA.

GULF OF MEXICO...
.NONE.

FOR ADDITIONAL INFORMATION PLEASE VISIT 
HTTP://WWW.HURRICANES.GOV/MARINE

$$
FORECASTER LL