000
AGXX40 KNHC 201802
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
100 PM EST SUN JAN 20 2008
 
MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND 
SOUTHWEST NORTH ATLC S OF 31N W OF 55W.

UPPER LEVELS...
LARGE ANTICYCLONIC CIRCULATION CENTERED OVER THE CENTRAL 
ATLANTIC WITH A CENTER NEAR 25N55W. RIDGE EXTENDS WEST TO THE 
GREATER ANTILLES THEN SOUTHWEST OVER CENTRAL AMERICA. 
SOUTHWESTERLY FLOW IS OVER THE GULF OF MEXICO FLORIDA AND THE 
NORTHWEST HALF OF THE ATLANTIC AREA. THE RIDGE WILL BECOME 
ORIENTED EAST WEST BY TUESDAY WITH BROAD WESTERLY FLOW NORTH OF 
24N.  THIS PATTERN WILL CONTINUE THROUGH THURSDAY AND INTO 
FRIDAY WHEN A SHORTWAVE WILL AFFECT THE ATLANTIC AREA NORTH OF 
25N.

SURFACE...
COLD FRONT FROM NEAR BERMUDA TO ACROSS THE CENTRAL BAHAMAS AND 
WESTERN CUBA AND TO THE YUCATAN PENINSULA WILL BECOME DIFFUSE BY 
LATE MONDAY.  STRONG RIDGE NORTH OF THE AREA BEHIND THE FRONT 
WILL WEAKEN OVER THE U.S. TUESDAY AS WEAK FRONT SWEEPS ACROSS 
THE AREA MOVING EAST OF 60W LATE WEDNESDAY. NEXT COLD FRONT WILL 
MOVE OFF THE NORTH GULF OF MEXICO COAST LATE WEDNESDAY AND ALSO 
SWEEP RAPIDLY EAST. STRONG HIGH PRESSURE OVER THE U.S. AND 
STRONG LOW NORTH OF THE ATLANTIC AREA WILL PRODUCE WINDY 
CONDITIONS OF 20 TO 30 KT IN THE ATLANTIC AREA NORTH OF 25N AND 
20 KNOTS IN THE GULF OF MEXICO FRIDAY.

TRADES IN THE CARIBBEAN AND TROPICAL ATLANTIC WILL CONTINUE 
RATHER STRONG THROUGH TUESDAY NIGHT THEN WEAK SOME WEDNESDAY AND 
THEN CHANGE LITTLE THROUGH FRIDAY.  STRONG WINDS WILL REMAIN IN 
THE SOUTH CENTRAL AND SOUTHWEST CARIBBEAN THROUGHOUT THE PERIOD.

WARNINGS...
ATLANTIC...
NONE.

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

FORECASTER LL