000
AGXX40 KNHC 050558
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0130 AM EDT THU JUL 05 2007

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

GULF OF MEXICO...A 1014 MB LOW IS PRESENTLY CENTERED NEAR TAMPA 
FLORIDA WITH A SURFACE TROUGH EXTENDING SW TO TO THE E GULF OF 
MEXICO NEAR 25N86W.  ISOLATED THUNDERSTORMS REMAIN OVER CENTRAL 
FLORIDA GULF COAST.  FURTHER W...SCATTERED MODERATE TO ISOLATED 
STRONG NOCTURNAL THUNDERSTORMS PERSIST OVER THE NW GULF N OF 27N 
AND W OF 91W.  THE SURFACE LOW OVER FLORIDA WILL DRIFT N TO S 
GEORGIA BY FRIDAY MORNING.  ATLANTIC RIDGING WILL SET IN 
THEREAFTER WITH RIDGE AXIS ALONG 27N/28N.  LOW LEVEL RETURN FLOW 
WILL BE IN THE 10-15 KT RANGE THROUGH MONDAY.    
       
SW ATLC...STATIONARY FRONT IS OVER THE SW ATLANTIC FROM 31N54W 
28N70W 29N80W TO THE LOW OVER TAMPA FLORIDA.  SCATTERED MODERATE 
CONVECTION IS OVER THE NRN BAHAMAS FROM 26N-29N BETWEEN 76W-79W. 
EXPECT THE FRONT TO DRIFT BACK N TONIGHT AND N OF AREA AROUND 
SUNSET FRI. AN ATLANTIC SUBTROPICAL RIDGE WILL BUILD BACK W 
ALONG 27-28N...S OF FRONTAL REMNANTS...THROUGH MONDAY.  THE 
SURFACE GRADIENT WILL SLACKEN AS THE FRONT MOVES N...THUS SEAS 
WILL LESSEN THROUGH THE PERIOD TO 3-4 FT RANGE.  
       
TROPICAL ATLC ZONE...E TO SE WINDS 10 TO 15 KT ARE OVER THE N 
PART WITH SEAS IN 3-4 FT RANGE.  WINDS WILL INCREASING TO 15 TO 
20 KT SUN.  ELY TRADES 15 TO 20 KT ARE S OF 18N AND WILL REMAIN 
THROUGH THE PERIOD.  A WEAK 1013 MB TROPICAL LOW IS NEAR 11N46W 
MOVING W 10 KT PAST 24 HOURS.  A SMALL AREA OF CONVECTION IS 
NEAR ITS CENTER.  ITS WINDOW OF OPPORTUNITY FOR DEVELOPMENT IS 
SHRINKING WITH HOSTILE UPPER ENVIRONMENT TO ITS NW.  THE LOW MAY 
BECOME AN OPEN WAVE PRIOR TO ITS ARRIVAL OVER THE WINDWARD 
ISLANDS MONDAY.   

CARIBBEAN...NE-E TRADES AT 25-30 KT ARE S OF 16N BETWEEN 70W AND 
80W.  ELY FLOW IS IN THE 15-20 KT RANGE ELSEWHERE S OF 18N AND 
ELY 10-15 KT OVER THE NW CARIBBEAN WATERS.  A TROPICAL WAVE IS 
OVER THE E CARIBBEAN ALONG 60W MOVING W AT 15 KT WITH TIGHTEST 
GRADIENT BEHIND THE WAVE.

WARNINGS...
ATLANTIC...NONE.

CARIBBEAN...NONE.

GULF OF MEXICO...NONE.

FORECASTER FORMOSA