000
AGXX40 KNHC 151812
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
115 PM EDT THU NOV 15 2007

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

UPPER LEVELS...
LONGWAVE TROUGH IS OVER THE AREA NORTH OF 20N WITH A BROAD AXIS 
OVER THE ATLANTIC AREA. THE LONGWAVE IS BEING ENFORCED BY A 
STRONG SHORTWAVE ALONG THE EAST UNITED STATES COAST. THE 
SHORTWAVE WILL MOVE RAPIDLY EAST LEAVING NEAR ZONAL FLOW OVER 
THE AREA NORTH OF 25N BY EARLY SATURDAY WITH A BROAD RIDGE SOUTH 
OF 25N. A SMALL SHORTWAVE WILL MOVE TO EAST TEXAS SUNDAY AND 
REMAIN STATIONARY THROUGH MONDAY THE MOVE TO THE NORTHEAST GULF 
BY LATE TUESDAY.  ANOTHER STRONG SHORTWAVE WILL MOVE EAST OFF 
THE UNITED STATES UPPER MIDDLE ATLANTIC AND NEW ENGLAND COAST 
SUNDAY. BY EARLY TUESDAY TROUGH WILL BE NORTH OF 20N EAST OF 71W 
AND RIDGE FROM 71W TO 87W AND THE ABOVE MENTIONED TROUGH WEST OF 
87W. 

SURFACE...
STRONG COLD FRONT ACROSS THE NORTHWEST PART OF THE ATLANTIC AREA 
AND SOUTH CENTRAL FLORIDA TO THE SOUTHWEST GULF WILL MOVE 
RAPIDLY EAST AND IN 24 HOURS EXTEND ACROSS THE SOUTHEAST PART OF 
THE ATLANTIC AREA AND NOT INTO THE CARIBBEAN.  THE ASSOCIATED 
HIGH PRESSURE OVER EAST TEXAS DOES NOT DROP MUCH FURTHER 
SOUTH...ONLY TO ALONG 30N...SO THE FRONT DOES NOT HAVE TOO MUCH 
IMPACT IN THE CARIBBEAN OTHER THAN THE RIDGE BUILDING NORTH OF 
THE AREA.  WINDS WILL APPROACH GALE FORCE IN THE ATLANTIC EARLY 
THEN QUICKLY DROP TO 20 TO 25 KT DURING TONIGHT.  BY LATE FRIDAY 
WINDS NORTH OF THE CARIBBEAN WILL BE LESS THAN 20 KT WITH A 
RIDGE ALONG 30N.  RIDGE WILL WEAKEN AND MOVE SOUTH SLIGHTLY 
DURING SATURDAY.  ON SUNDAY THE SHORTWAVE NORTH OF THE ATLANTIC 
AREA WILL BE ASSOCIATED WITH A LOW DEVELOPING EAST OF THE MIDDLE 
ATLANTIC STATES AND AN ASSOCIATED STRONG HIGH PRESSURE WHICH 
WILL BUILD OVER THE EASTERN UNITED STATES INCREASING THE 
NORTHERLY WINDS IN THE ATLANTIC AREA AND THE RETURN FLOW IN THE 
GULF OF MEXICO.  RIDGE WILL REMAIN ALONG THE EAST UNITED STATES 
COAST THROUGH TUESDAY AND WEAKEN SLIGHTLY AND DRIFT SOUTH WITH 
THE 20 KNOT WINDS SOUTH OF 27N MAINLY OVER THE BAHAMAS AND 
CENTRAL CARIBBEAN AND ALSO THE RETURN FLOW IN THE WEST GULF.

WARNINGS...
ATLANTIC...
NONE.   

CARIBBEAN...
NONE. 

GULF OF MEXICO...
NONE.

FORECASTER LL