000
AGXX40 KNHC 230710
MIMATS

MARINE WEATHER DISCUSSION  
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
210 AM EST MON NOV 23 2009

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

UPPER LEVELS...
DEEP LAYER ANTICYCLONIC CIRCULATION IS CENTERED OVER THE EASTERN 
AND CENTRAL GREATER ANTILLES AND THE LESSER ANTILLES AND OVER 
THE SOUTHEAST PART OF THE ATLANTIC AREA. MODERATE SOUTHWEST 
WINDS ARE TO THE NORTH AND NORTHWEST OF THE RIDGE OVER THE GULF 
OF MEXICO AND THE NORTHERN PART OF THE ATLANTIC AREA. THE HIGH 
WILL CONTRACT SOME TUESDAY AND WEDNESDAY AS A STRONG MIDDLE 
LATITUDE TROUGH DEVELOPS OVER THE CENTRAL AND EASTERN UNITED 
STATES. BY EARLY FRIDAY 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 FLORIDA AND THE NORTHWEST 
PART OF THE ATLANTIC AREA.

SURFACE...
NORTH OF THE TRADES THERE IS A WEAK PRESSURE PATTERN WITH WEAK 
SURFACE WINDS MOSTLY LESS THAN 15 KNOTS. NEXT COLD FRONT... 
ASSOCIATED WITH THE STRONG MIDDLE LATITUDE TROUGH...WILL MOVE 
OFF THE TEXAS COAST TUESDAY AND REACH FROM NORTH FLORIDA TO 
WESTERN BAY OF CAMPECHE MIDDAY WEDNESDAY AND SOUTH FLORIDA TO 
YUCATAN PENINSULA MIDDAY THURSDAY AND FROM 31N70W TO ACROSS 
CENTRAL CUBA TO GULF OF HONDURAS MIDDAY FRIDAY. WINDS WILL BE 20 
TO 25 KTS BEHIND THE FRONT. 

TRADES OF 20 KNOTS OR MORE ARE CONFINED TO SOUTH OF 17N EAST OF 
80W THROUGH TUESDAY. WINDS WILL BE UP TO 30 KNOTS IN THE SOUTH 
CENTRAL CARIBBEAN. THE WINDS WILL THEN WEAKEN SOME WEDNESDAY AND 
THURSDAY AND REMAIN WEAK FRIDAY AS THE ABOVE MENTIONED FRONTAL 
TROUGH WEAKENS THE RIDGE NORTH OF THE AREA.
 
OTHERWISE WINDS WILL BE LESS THAN 20 KT.
 
WARNINGS...

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

$$
FORECASTER LL