000
AGXX40 KNHC 171653
MIMATS

MARINE WEATHER DISCUSSION   
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
100 PM WED MAY 17 2006

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

UPPER LEVELS...
BROAD RATHER DEEP TROUGH IS OVER THE EASTERN PART OF THE UNITED 
STATES.  THE TROUGH EXTENDS SOUTH TO OVER NORTHERN CENTRAL AMERICA 
AND EASTERN MEXICO.  A HIGH PRESSURE IS CENTERED OVER THE TROPICAL 
ATLANTIC WITH A RIDGE EXTENDING WEST OVER THE EASTERN CARIBBEAN AND 
TO THE SOUTHWEST CARIBBEAN.  THE TROUGH WILL GRADUALLY MOVE NORTH 
AND THE RIDGE WILL EXPEND OVER THE AREA.  BY SATURDAY THE TROUGH IS 
NORTH OF 29N IN THE ATLANTIC AND A WEAK TROUGH IS OVER THE WESTERN 
GULF OF MEXICO.  THE RIDGE WILL BECOME MORE PRONOUNCED AND THE 
ATLANTIC TROUGH WILL CONTINUE TO MOVE NORTH AND EAST OF THE AREA.  
THE WEAK TROUGH OVER THE WESTERN GULF WILL CONTINUE THROUGH SUNDAY 
AND SLOWLY DRIFT EAST TO THE CENTRAL GULF MONDAY.

SURFACE...
STRONG FRONTAL TROUGH IS OVER THE ATLANTIC AND INTO THE WESTERN 
CARIBBEAN.  THE TROUGH COUPLED WITH A LARGE RIDGE WELL EAST OF THE 
AREA IS PRODUCING STRONG SOUTHERLY WINDS AHEAD OF THE FRONTAL 
TROUGH.  GALE FORCE WINDS ARE FORECAST OVER THE ATLANTIC NORTH OF 
28N E OF THE FRONT THROUGH TONIGHT.  THE FRONTAL TROUGH WILL MOVE 
EASTWARD SLOWLY AND WEAKEN WITH WINDS LESS THAN 20 KT MOST AREAS BY 
SATURDAY.  A WEAK RIDGE WILL BECOME ESTABLISHED ALONG 28N SATURDAY 
AND CONTINUE THROUGH MONDAY.  CARIBBEAN TRADES IN THE SOUTHERN 
CARIBBEAN WILL INCREASE ALONG WITH THE ESTABLISHMENT OF THE ATLANTIC 
RIDGE.

WARNINGS...

ATLANTIC...
GALE WARNING N OF 27N BETWEEN 67W AND 72W...AMZ080.

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

FORECASTER LL