000
AGXX40 KNHC 181636
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
100 AM EDT WED JUL 18 2007

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

SURFACE RIDGE TO STAY ACROSS THE NORTHERN GULF OF MEXICO THROUGH 
FRI THEN WEAKEN AND MOVE E AS A COLD FRONT APPROACHES THE GULF 
COAST SAT. THIS RIDGE WILL COMBINE WITH LOWER PRES IN SOUTHERN 
MEXICO IN ORDER TO KEEP 15 TO 20 KT WINDS IN THE SW GULF THROUGH 
FRI THEN DECREASE DURING THE WEEKEND. OTHERWISE WINDS WILL BE 
LIGHT ACROSS THE REMAINDER OF THE AREA.

THE ATLC RIDGE COMBINED WITH LOW PRES IN NORTHERN COLOMBIA 
WILL MAINTAIN AT LEAST 20 KT TRADEWINDS IN THE CARIBBEAN SEA 
S OF 18N EAST OF 80W. THE WINDS ARE EXPECTED TO DECREASE SOME BY 
FRI AS THE ATLC RIDGE WEAKENS...BUT THEN PICK UP AGAIN TO AT 
LEAST 20 KT FOR SAT AND SUN THEN DECREASE ON MON.

ATLC RIDGE REMAINS ALONG 30N/31N UNTIL LATE THU THEN MOVE E FRI 
AS COLD FRONT MOVES INTO THE SE U.S. THE COLD FRONT REMAINS 
ALONG THE COAST SAT AND MOVES OFFSHORE SUN...THEN DISSIPATES S 
OF 31N MON. SW WINDS WILL BRIEFLY INCREASE TO 15 KT FRI THROUGH 
SAT... OTHERWISE WINDS WILL BE 10 KT OR LESS N OF 25N AND 10-15 
KT S OF 25N.

WARNINGS...
ATLANTIC...
NONE.

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

FORECASTER DGS