000
AGXX40 KNHC 270553
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
200 AM EDT TUE MAR 27 2007

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

A DRY COLD FRONT ALONG 25N WILL CONTINUE S REACHING ALONG 20N TO 
THE E OF CUBA TONIGHT...AND ONLY MAINTAIN IDENTITY AS WEAKENING 
TROUGH OVER NORTHERN WATERS TROPICAL ATLC ZONE LATE THU. 
OTHERWISE...HIGH PRES DOMINATES THE SUBTROPICAL WATERS WITH 
GRADIENT SUPPORTING NE 20 TO 25 KT OVER SW ATLC WATERS AND 
THROUGH THE BAHAMAS AND INTO NW CARIBBEAN...WITH WINDS VEERING 
TO E OVER SE GULF OF MEXICO AND TO THE SE IN THE RETURN FLOW 
OVER W GULF OF MEXICO. BROAD LOW PRES OVER CENTRAL CARIBBEAN... 
ALONG 70W...CAUSING WINDS TO BECOME UNUSUALLY N AT 5-10 KT OVER 
SW CARIBBEAN WATERS.

OVER THE NEXT COUPLE DAYS THE HIGH PRES WILL WEAKEN AND GRADIENT 
WILL RELAX SOMEWHAT...EXCEPT FOR SE RETURN FLOW WILL INCREASE TO 
20-25 KT OVER W GULF OF MEXICO. THE BROAD LOW PRES S OF RIDGE 
OVER CARIBBEAN WILL ALSO WEAKEN A TAD...AND SHIFT W TO ALONG 75W 
AND THEN GRADUALLY FILL FRI INTO SAT AS TRADES RETURN. A COLD 
FRONT WILL MOVE INTO N PORTION OF ATLC WATERS THU NIGHT AND FRI 
WITH REINFORCING HIGH PRES IN ITS WAKE INCREASING WINDS AGAIN IN 
TIME FOR THE WEEKEND. 

ANOTHER COLD FRONT WILL MOVE INTO NW GULF OF MEXICO FRI NIGHT 
AND STALL FROM MS DELTA TO BAY OF CAMPECHE LATE SAT NIGHT.  

WARNINGS...

ATLANTIC...
NONE.

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

FORECASTER NELSON