000
AGXX40 KNHC 220640
MIMATS

MARINE WEATHER DISCUSSION  
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
140 AM EST SUN NOV 22 2009

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

UPPER LEVELS...
DEEP LAYER RIDGE EXTENDS OVER THE GREATER ANTILLES AND THE 
LESSER ANTILLES AND OVER THE SOUTHEAST PART OF THE ATLANTIC 
AREA. MODERATE SOUTHWESTERLIES ARE TO THE NORTH AND NORTHWEST OF 
THE RIDGE OVER THE GULF OF MEXICO AND THE NORTHERN PART OF THE 
ATLANTIC AREA. A SHORTWAVE IS OVER THE NORTH CENTRAL GULF OF 
MEXICO COAST AND WILL MOVE ACROSS THE SOUTHEAST UNITED STATES 
TODAY AND BE ABSORBED BY THE WESTERLY FLOW NORTH OF THE AREA. 
THE RIDGE WILL CONTRACT SOME WEDNESDAY AND THURSDAY AS A STRONG 
MIDDLE LATITUDE TROUGH DEVELOPS OVER THE CENTRAL AND EASTERN 
UNITED STATES. BY LATE THURSDAY RIDGE WILL BE SOUTH OF ABOUT 22N 
AND MODERATE WESTERLIES WILL BE NORTH OF 22N WITH STRONG 
WESTERLIES OVER THE NORTHEAST GULF OF MEXICO AND NORTH FLORIDA.

SURFACE...
SHORTWAVE OVER NORTH GULF OF MEXICO COAST HAS ASSOCIATED SURFACE 
LOW OVER THE NORTH CENTRAL GULF COAST. LOW IS WEAKENING AND 
MOVING INLAND OVER THE SOUTHEAST UNITED STATED WHERE IT WILL 
BECOME DIFFUSE TONIGHT. WEAK ASSOCIATED COLD FRONT WILL BECOME 
DIFFUSE OVER THE EASTERN GULF TODAY THROUGH MONDAY. NEXT COLD 
FRONT ASSOCIATED WITH THE STRONG MIDDLE LATITUDE TROUGH WILL 
MOVE OFF THE TEXAS COAST TUESDAY AND REACH FROM FLORIDA 
PANHANDLE TO WESTERN BAY OF CAMPECHE MIDDAY WEDNESDAY AND 
CENTRAL FLORIDA TO YUCATAN PENINSULA MIDDAY THURSDAY. WINDS WILL 
BE 20 TO 25 KTS BEHIND THE FRONT AND UP TO 30 KNOTS IN THE 
SOUTHWEST GULF WEST OF THIS FRONT. 

TRADES OF 20 KNOTS OR MORE ARE CONFINED TO SOUTH OF 17N EAST OF 
80W THROUGH TUESDAY. WINDS WILL BE UP TO 25 KNOTS IN THE SOUTH 
CENTRAL CARIBBEAN. THE WINDS WILL THEN WEAKEN SOME WEDNESDAY AND 
THURSDAY AS THE ABOVE MENTIONED FRONTAL TROUGH WEAKENS THE RIDGE 
NORTH OF THE AREA WEDNESDAY AND THURSDAY.
 
OTHERWISE WINDS WILL BE LESS THAN 20 KT.
 
WARNINGS...

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

$$
FORECASTER LL