000
AGXX40 KNHC 121729
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
130 PM EDT WED SEP 12 2007

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

UPPER LEVELS...
SOUTHERN PORTION OF MIDDLE LATITUDE TROUGH WILL PASS WEST TO 
EAST OVER THE EXTREME NORTH GULF TONIGHT THROUGH SATURDAY THEN 
REMAIN STATIONARY OVER THE WEST ATLANTIC SUNDAY AND MONDAY.
OTHERWISE WEAK RIDGE IS NORTH OF 20N AND A FLAT UPPER LEVEL 
HEIGHT FIELD IS SOUTH OF 20N THROUGH THE PERIOD.

SURFACE...
TROPICAL SYSTEM NINE OVER THE NORTHWEST GULF WILL MOVE INLAND 
TONIGHT AND ITS EFFECTS WILL DIMINISH OVER THE AREA THURSDAY.
SEE NHC FORECAST AND DISCUSSION FOR DETAILS.

TROPICAL SYSTEM EIGHT OVER THE CENTRAL ATLANTIC WILL MOVE OVER 
THE TROPICAL ATLANTIC LATE SATURDAY OR EARLY SUNDAY AND REMAIN 
OVER THE OPEN OCEAN MONDAY.  THE CURRENT TRACK WOULD NOT TAKE 
THE SYSTEM OVER THE LESSER ANTILLES. SEE NHC FORECAST AND 
DISCUSSION FOR DETAILS.

STRONG TRADES ARE IN THE CARIBBEAN WITH NEAR 30 KT IN THE SOUTH 
CENTRAL PART OF THE CARIBBEAN.  THESE WINDS WILL REMAIN HIGH 
THROUGH FRIDAY THEN DECREASE TO NEAR NORMAL SATURDAY AND TO A 
LITTLE LESS THAN NORMAL MONDAY.

OTHERWISE RIDGE ALONG 30N.  RIDGE WILL WEAKEN FRIDAY AS A COLD 
FRONT/SURFACE TROUGH ASSOCIATED WITH THE UPPER LEVEL TROUGH 
MOVES ACROSS THE SOUTHEAST U.S. WINDS NORTH OF 27N SHIFT TO 
SOUTHERLY IN ADVANCE OF THE TROUGH. HIGH BUILDS NORTH OF THE 
AREA BEHIND THE TROUGH WITH NORTHEASTERLY WINDS BEHIND THE 
TROUGH.  ALL OF THESE WINDS WILL BE LESS THAN 20 KT.
 
WARNINGS...
ATLANTIC...
NONE.

CARIBBEAN...
NONE.

GULF OF MEXICO... 
TROPICAL STORM...GMZ080.

FORECASTER LL