000
AGXX40 KNHC 201643
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
100 PM EDT FRI JUL 20 2007

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

HIGH PRES RIDGE CONTINUES ACROSS THE NORTHERN GULF OF MEXICO.
AN UNUSUAL JULY WEAK COLD FRONT WILL BRUSH THE FAR NE PORTION OF 
THE AREA SAT AND SUN AND E OF THE AREA SUN NIGHT OR EARLY MON.
HIGH PRES RETURNS MON AND REMAINS THROUGH WED. WINDS WILL BE 
LIGHT THROUGH THE FORECAST PERIOD.

ATLC RIDGE ALONG 28N WILL SHIFT S AS A COLD FRONT MOVES OF THE 
SE U.S. COAST SAT AND STALLS OVER THE FAR NW PORTION OF THE AREA 
SUN THEN DISSIPATES MON. THE RIDGE RE-BUILDS TUE AND WED. SW 
WINDS INCREASE TO 15 KT AHEAD OF THE FRONT TONIGHT THROUGH EARLY
SUN...THEN BECOME 10 KT OR LESS MON THROUGH WED N OF 24N AND 10 
TO 15 KT S OF 24N.

WITH THE ATLC RIDGE WEAKENING THE TRADES HAVE DECREASED OVER THE 
CARIBBEAN. HOWEVER THERE ARE STILL SOME 20 KT ELY WINDS NEAR THE 
COAST OF S AMERICA. AS THE ATLC RIDGE RE-BUILDS THE TRADES 
SHOULD INCREASE MON THROUGH WED. A TROPICAL WAVE CURRENTLY ALONG 
70W HAS LOST MUCH OF ITS CONVECTION THAT WAS ASSOCIATED WITH IT 
YESTERDAY.

WARNINGS...
ATLANTIC...
NONE.

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

FORECASTER DGS