000
AGXX40 KNHC 241800
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
105 PM EST WED JAN 24 2007

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

UPPER LEVELS...
LARGE RIDGE SOUTH OF 25N WILL WEAKEN AND BE SOUTH OF 20N BY 
SUNDAY AND MONDAY.  SEVERAL SHORTWAVES WILL PASS WEST TO EAST 
NORTH OF THE AREA WITH NONE EXTENDING SIGNIFICANTLY INTO THE 
FORECAST AREA.

SURFACE...
FRONTAL SYSTEM OVER THE GULF WILL REMAIN MORE OR LESS STATIONARY 
TONIGHT THEN PUSH SOUTHEAST THURSDAY WITH THE DEVELOPMENT OF A 
STRONG FRONTAL TROUGH IN THE ATLANTIC. FRONT WILL MOVE SOUTHEAST 
OF GULF OF MEXICO THURSDAY NIGHT.  GALE FORCE WINDS WILL BE BOTH 
AHEAD OF AND BEHIND THE FRONT THURSDAY NIGHT AND FRIDAY IN THE 
ATLANTIC MAINLY DUE TO THE PRESSURE GRADIENT ASSOCIATED WITH 
THE TROUGH NOT WITH A STRONG HIGH PRESSURE.  BECAUSE OF THIS THE 
FRONT WILL NOT MOVE VERY FAR SOUTH WITH ITS IMPACT IN THE 
CARIBBEAN CONFINED TO THE YUCATAN CHANNEL. BY FRIDAY NIGHT THE 
WINDS IN THE GULF WILL BE MOSTLY LESS THAN 20 KT WITH THE 
ATLANTIC WINDS ALSO DECREASING AND MOVING EAST. LOW DEVELOPS IN 
THE NORTH GULF SATURDAY AND MOVES EAST ACROSS NORTH FLORIDA 
EARLY SUNDAY AND BECOMES ABSORBED IN A FRONTAL TROUGH SUNDAY.  
BROAD TROUGH WILL BE OVER THE NORTHEAST PART OF THE ATLANTIC 
AREA MONDAY WITH WINDS OF 20 TO 25 KT E OF TROUGH AND 20 KT W OF 
TROUGH.  HIGH PRESSURE BUILDING OVER THE SOUTHEAST U.S. SUNDAY 
AND MONDAY WILL INCREASE THE WINDS IN THE SOUTH GULF TO 20 KT. 

TROPICAL ATLANTIC TRADES WILL BE LESS THAN NORMAL THROUGHOUT THE 
FORECAST PERIOD.  CARIBBEAN WILL HAVE STRONG WINDS IN THE SOUTH 
CENTRAL PART WITH LESS THAN NORMAL TRADES ELSEWHERE.

WARNINGS...

ATLANTIC...
GALE WARNING...AMZ080.

CARIBBEAN...
NONE.

GULF OF MEXICO...
GALE WARNING...GMZ080 AND GMZ082.

FORECASTER LL