000
AGXX40 KNHC 090646
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
245 AM EDT MON JUL 09 2007

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

UPPER LEVELS...
ANTICYCLONE CENTER OVER SOUTH FLORIDA HAS RIDGE EXTENDING NE TO 
31N65W AND SW TO YUCATAN PENINSULA.  DRY AIR MASS SE OF RIDGE 
AXIS WHILE WEAK JET CORE 40 KT BRINGS SOME TROPICAL MOISTURE NE 
ON NW SIDE OF RIDGE.  UPPER LEVEL TROUGH DOMINATE TROPICAL ATLC 
AND CARIBBEAN SEA WITH VERY DRY AIR MASS THROUGH NRN HALF OF 
BASIN WHICH CURTAILS ANY DEVELOPMENT EVEN TO TROPICAL WAVES 
CROSSING ALONG 67W AND 85W.

AT THE SURFACE...
CENTRAL ATLC HIGH PRES RIDGE 1030 MB EXTENDS INTO SW N ATLC AND 
MERGES WITH 1015 MB HIGH PRES OVER ERN GULF OF MEXICO.  LOW PRES 
1011 MB OVER WRN COLOMBIA MAINTAIN TIGHT GRADIENT ACROSS SRN 
HALF OF CARIBBEAN SEA WITH 25-30 KT WINDS AND VERY LONG FETCH 
PRODUCING 15 FT SEAS ALONG COAST OF COLOMBIA.  LITTLE CHANGE IN 
SCENARIO EXPECTED WITHIN NEXT 5 DAYS WITH POSSIBLE EXCEPTION OF 
PASSAGE OF TROPICAL WAVES.  

WINDS OVER GULF OF MEXICO REMAIN VERY LIGHT AND SEAS BELOW 4 FT 
EXCEPT W OF 95W WHERE MODERATE RETURN FLOW REACH A NOTCH HIGHER. 

WARNINGS...
ATLANTIC...
NONE.

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

FORECASTER WALLY BARNES