000
AGXX40 KNHC 021757
MIMATS

MARINE WEATHER DISCUSSION  
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
100 PM EST SUN DEC 02 2007

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

UPPER LEVELS...
TROUGH IS OVER THE EASTERN CARIBBEAN AND THE TROPICAL ATLANTIC. 
THE TROUGH WILL GRADUALLY WEAKEN AND REMAIN IN PLACE BECOMING 
DIFFUSE THURSDAY. ELSEWHERE BROAD RIDGE IS OVER THE AREA. THE 
SOUTHERN EXTENT OF A LONGWAVE TROUGH WILL AFFECT THE AREA 
BEGINNING MONDAY AND BY TUESDAY AND WEDNESDAY A LONG WAVE TROUGH 
WILL BE OVER THE AREA NORTH OF ABOUT 21N WITH AN AXIS NEAR 73W. 
THE TROUGH WILL GRADUALLY PULL NORTH AS RIDGE REBUILDS OVER THE 
AREA THURSDAY AND FRIDAY. NO SIGNIFICANT SHORTWAVES WILL AFFECT 
THE AREA THROUGH FRIDAY.

SURFACE...
A SURFACE TROUGH IS NEAR THE SAME LOCATION AS THE UPPER TROUGH 
AND WILL WEAKEN MORE RAPIDLY BECOMING DIFFUSE TUESDAY.  A LARGE 
AREA OF 20 TO 25 KNOT WINDS WEST OF THE TROUGH WILL ALSO 
DECREASE AND FALL TO LESS THAN 20 KT LATE MONDAY.  COLD FRONT 
WILL MOVE OFF TEXAS COAST TONIGHT AND MOVE RAPIDLY EAST PASSING 
EAST OF BERMUDA BY EARLY TUESDAY. THE STRONGEST WINDS ASSOCIATED 
WITH THE FRONT WILL BE WEST OF THE FRONT IN THE NORTHWEST GULF 
AND IN THE ATLANTIC NORTH OF ABOUT 28N. BY TUESDAY THE WINDS OF 
20 KNOTS OR MORE WILL PASS EAST OF 65W. AN INCREASE IN WESTERLY 
WINDS WILL BEGIN IN THE ATLANTIC NORTH OF 25N THURSDAY 
ASSOCIATED WITH A LOW PRESSURE NORTH OF THE AREA. ON THURSDAY 
AND FRIDAY BUILDING HIGH PRESSURE NORTH OF THE AREA WILL 
INCREASE THE EASTERLY ATLANTIC AND CARIBBEAN WINDS SOUTH OF 23N 
EAST OF 75W. ALSO SOUTHERLY RETURN FLOW IN THE GULF OF MEXICO 
WILL INCREASE THURSDAY AND FRIDAY.

NORTHERLY SWELLS OF UP TO 12 FEET WILL IMPACT THE ATLANTIC AND 
ADJACENT CARIBBEAN PASSAGES EAST OF 72W THROUGH FRIDAY.

WARNINGS...
ATLANTIC...
NONE.   

CARIBBEAN...
NONE. 

GULF OF MEXICO...
NONE.

FORECASTER LL