000
AGXX40 KNHC 251740
MIMATS

MARINE WEATHER DISCUSSION  
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
145 PM EDT FRI JUL 25 2008

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

GULF OF MEXICO...
DOLLY'S WINDS FINALLY DIMINISH OVER NW WATERS THIS AFTERNOON BUT 
REMAIN MODERATE OVER SW WATERS THROUGH FRI NIGHT AS N PORTION OF 
TROPICAL WAVE CROSSES S OF AREA.  OVER ERN HALF...WEAK HIGH PRES 
CENTERED 28N86W MAINTAIN LIGHT AND VARIABLE FLOW.  RIDGE NOT 
LIKELY TO MOVE SO LITTLE CHANGE EXPECTED THROUGH WED.

CARIBBEAN AND TROPICAL ATLC...
PRES GRADIENT REMAINS TIGHT ACROSS SRN HALF OF AREA DUE TO 
HEALTHY HIGH PRES CENTERED OVER CENTRAL ATLC AND WEAK TROPICAL 
WAVE ALONG 64W.  NO SIGNIFICANT CONVECTION ASSOCIATED WITH WAVE 
DUE TO MODERATE TO STRONG SUBSIDENCE ALOFT E OF 80W UNDER BROAD 
UPPER RIDGE CENTERED OVER HISPANIOLA.  LITTLE CHANGE EXPECTED 
THROUGH TUE AS ALL SYSTEMS ARE FORECAST TO REMAIN IN PLACE FOR 
REMAINING PERIODS.  LARGE AMPLITUDE TROPICAL WAVE NOW ALONG 41W 
WITH LOW PRES 1012 MB EMBEDDED AT 17N41W EXPECTED BY MOST MODEL 
GUIDANCE TO TRACK NW TO 31N53W TUE WITH MINIMAL IMPACT ON BASIN
...BUT CLOSE ENOUGH TO WARRANT MONITORING.  

SW N ATLC...
HIGH PRES 1029 MB NE OF AREA CAUSING LIGHT TO MODERATE SE WIND N 
OF 26N AND E WIND S OF 26N.  CREST OF TRPCL WAVE NOW ALONG 42W 
APPROACH 65W TUE AND WED INCREASING WIND AND SEAS.  MODEL 
GUIDANCE TAG LOW PRES CENTER OUT OF WAVE AND TRACK IT NW CLOSE 
TO 65W SENDING MODERATE SWELLS E OF 70W.
 
WARNINGS...
ATLANTIC...
NONE.

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE. 

.FORECASTER WALLY BARNES. TROPICAL PREDICTION CENTER.