000
AGXX40 KNHC 291700
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
100 PM EDT THU MAR 29 2007

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

UPPER LEVELS...
LARGE RIDGE WEST OF 78W AND LARGE TROUGH EAST OF 78W. THE TROUGH 
WILL GRADUALLY MOVE EAST AND BY TUE BE EAST OF 60W.  THE RIDGE 
WILL WEAKEN SOME BUT EXPAND...COVERING THE AREA WEST OF 60W BY 
TUESDAY. THE ONLY SHORTWAVE THAT WILL AFFECT THE AREA IS 
EMBEDDED IN THE LARGE TROUGH AND WILL MOVE SOUTH OF 31N EARLY 
FRIDAY AND BY EARLY SATURDAY BE EAST OF 55W.

SURFACE...
WEAK RIDGE ALONG 28N WILL WEAKEN FURTHER AS ATLANTIC COLD FRONT 
ASSOCIATED WITH THE SHORTWAVE MOVES SOUTH OF 31N EARLY TONIGHT 
AND CONTINUES TO MOVE RAPIDLY SOUTH AS HIGH PRESSURE BUILDS 
NORTH OF THE AREA AND BRIDGES THE FRONT TONIGHT INCREASING THE 
ATLANTIC SURFACE WINDS OVER THE ENTIRE ATLANTIC AREA TONIGHT.  
THE RIDGE WILL MAINTAIN ITS STRENGTH AND MOVE SOUTH TO 31N 
SATURDAY THEN RIDGE WILL SLOWLY WEAKEN AND BECOME STATIONARY 
ALONG 27N SUNDAY THROUGH TUESDAY.

TROPICAL TRADES ARE WEAK BUT WILL INCREASE FRIDAY THROUGH 
TUESDAY AS THE RIDGE MOVES SOUTH MOVING THE ASSOCIATED PRESSURE 
GRADIENT SOUTH INTO THE CARIBBEAN WITH MORE NORMAL TRADES 
RETURNING SATURDAY NIGHT THROUGH TUESDAY.

WARNINGS...

ATLANTIC...
NONE.

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

FORECASTER LL