000
AGXX40 KNHC 060658
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
250 AM EDT FRI JUN 06 2008

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

GULF OF MEXICO...PERSISTENT HIGH PRES EXTENDS FROM WRN ATLC 
THROUGH NRN GULF ALONG 30N.  STRONG MID/UPPER TROUGH DIGGING 
THROUGH SRN ROCKIES SUPPORTING HEALTHY SURFACE COLD FRONT AND 
ATTENDANT PRECEDING SQUALL LINE EXTENDING FROM 989 MB LOW PRES 
OVER WRN KANSAS TO ANOTHER 996 MB LOW PRES OVER CENTRAL MEXICO.  
TROPICAL WAVE CROSSING BAY OF CAMPECHE S OF 21N ALONG 91W SHOULD 
BE OUT OF PICTURE NEXT 12-18 HRS. 

TIGHT GRADIENT BETWEEN RIDGE AND 996 LOW PRES OVER MEXICO ALLOWS 
STRONG SE WINDS OVER NW GULF W OF 93W.  FORECAST DIMINISH GULF 
WINDS AS LOW PRES RAPIDLY FILLS IN TO 1008 MB BY TONIGHT.  WIND 
DIMINISHES THROUGH WEEKEND AS MAIN MID/UPPER TROUGH IS FORCED NE.

CARIBBEAN AND TROPICAL N ATLC...E TRADES CONTINUE THROUGHOUT S 
CENTRAL CARIBBEAN WITH STRONGEST WINDS E OF TRPCL WAVE MOVING W 
ALONG 76W.  MINOR CONVECTION E OF TRPCL WAVE AXIS COVER NE 
COLOMBIA AND STRETCH TO PUERTO RICO.  STRONG TRADES CONTINUE 
THROUGH TOMORROW THEN DIMINISH AS RIDGE OVER WRN ATLC WEAKENS.  
FRESH TRADES PERSIST INTO EARLY NEXT WEEK. 

SW N ATLANTIC...SURFACE RIDGING EXTENDS ALONG 30N FROM S OF 
BERMUDA TO N FLORIDA WITH LIGHT TO MODERATE SE FLOW S OF RIDGE 
TO 22N.  COMPLEX DUAL CYCLONIC VORTICES...ONE OVER WINDWARD 
PASSAGE AND ANOTHER 25N67W ADD LEVEL OF UNCERTAINTY TO FORECAST 
AS VERY AIR MASS N OF 22N W OF 69W COUNTER AREA OF DIFFLUENT 
FLOW ALOFT.  GLOBAL MODELS MOVE NORTHERNMOST VORTEX W TO NORTH 
FLORIDA AND INTENSIFIES IT WITH SOUTHERN VORTEX REMAINING OVER 
NW CUBA.  TROUGH BETWEEN VORTICES ALONGSIDE FLORIDA PENINSULA 
WITH LIGHTER SURFACE WINDS BY END OF FORECAST PERIOD. 

WARNINGS...
ATLANTIC...
NONE. 

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

.FORECASTER WALLY BARNES. TROPICAL PREDICTION CENTER.