000
AGXX40 KNHC 031758
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
100 PM EDT SAT MAY 3 2008

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

MID-UPPER LEVEL RIDGE WITH AXIS ALONG 93W CONTROLS FLOW OVER 
GULF OF MEXICO WHILE SMOOTH BROAD TROUGH ALONG 65W HEADS OUT OF 
FORECAST AREAS.  OVERALL PICTURE LOOKS VERY DRY WITH MINOR 
AMOUNTS OF MOISTURE N OF 28N FROM 84W-91W ACCOMPANY STRONG 
SQUALL LINE AHEAD OF WEAK COLD FRONT APPROACHING NWRN GULF.  
WHAT IS LEFT OF PREVIOUS TRPCL MOISTURE THAT ENTERED SWRN 
CARIBBEAN NOW CONFINED TO SMALL PATCH OVER PUERTO RICO AND U.S. 
VIRGIN ISLANDS.  MID-UPPER RIDGE CENTER PREVIOUSLY OVER 
VENEZUELA HAS MOVED W TO COLOMBIA AND NOW ADVECTS MOISTURE OVER 
E PAC AND CENTRAL AMERICA RATHER THAN CARIBBEAN.  

AT THE SURFACE...
ATLC HIGH PRES 1023 MB NEAR 31N70W MAINTAINS STEADY FLOW OF 
LIGHT TRADE WINDS ACROSS SW N ATLC...EXCEPT MODERATE TO STRONG 
FROM 23N-26N.  LINGERING N SWELL FROM LOW PRES WELL N OF AREA 
REMAIN NEXT 24 HRS E OF 70W.

GULF OF MEXICO GETTING MODERATE SE WINDS THROUGHOUT ENTIRE AREA 
AS ATLC RIDGE DRIFTS E FORCED BY APPROACHING COLD FRONT NOW 
ABOUT TO ENTER NW GULF.  FRONT HAS MINOR EFFECT IN GULF AS WINDS 
BARELY REACH 20 KT.

WARNINGS...
ATLC...
NONE. 

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

.FORECASTER WALLY BARNES. TROPICAL PREDICTION CENTER.