000
AGXX40 KNHC 151927
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
325 PM EDT WED JUL 15 2009

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

RIDGE ACROSS THE NORTHERN GULF OF MEXICO WITH A 1019 MB HIGH 
PRES NEAR 27N85W. WINDS WILL BE IN THE 10-15 KT RANGE OVER ALL 
BUT THE NE GULF WHERE THE HIGH IS CENTERED. THE WINDS DECREASE 
TO 10 KT OR LESS N OF 25N BY THU AS A LOW OVER THE SOUTHERN 
PLAINS WEAKENS ALLOWING FOR THE PRES GRADIENT TO RELAX. A 
FRONT/TROUGH IS FORECAST TO MOVE ACROSS THE SE U.S. SAT AND SUN. 
THIS WILL INCREASE SW WINDS TO 15 KT OVER THE FAR NE GULF...BUT
SHOULD BE TEMPORARY.

HIGH PRES RIDGE ACROSS THE ATLC ALONG 28N/29N WILL PERSIST 
THROUGH THE END OF THE WEEK. S OF 22N ELY TRADES ARE IN THE 
15-20 KT RANGE...OTHERWISE MOSTLY LIGHT WINDS ACROSS THE AREA. 
SW WINDS INCREASE TO AROUND 15-20 KT OVER THE FAR NW PORTION OF 
THE AREA FRI AND SAT AS A FRONT/TROUGH MOVES INTO THE SE U.S 
COMBINED WITH THE ATLC RIDGE TO TIGHTEN THE GRADIENT. SEAS WILL 
REMAIN 2-4 FT N OF 22N...AND 4-6 FT S OF 22N THROUGH WED THEN 
BUILD UP TO 5-7 FT BY THE END OF THE WEEK AND INTO THE WEEKEND.
AS THE SW WINDS INCREASE OVER THE FAR NW PORTION OF THE AREA 
SEAS WILL BUILD TO 4 TO 6 FT OVER THE WEEKEND.

WITH THE ATLC RIDGE SET IN PLACE...AND LOWER PRES OVER NORTHERN 
S AMERICA. THIS WILL RESULT IN STRONG TRADES IN THE CARIBBEAN... 
MAINLY NEAR THE COAST OF COLOMBIA AND WESTERN VENEZUELA. A 
TROPICAL WAVE ALONG 70W IS MOVING W AT 20 KT. THE WAVE WILL MOVE 
ACROSS THE CENTRAL AND WESTERN CARIBBEAN THROUGH FRI. THE WAVE 
MAY ENHANCE THE WINDS NEAR THE COAST OF S AMERICA TONIGHT 
THROUGH FRI...THEREFORE THE SW CARIBBEAN ZONE (AMZ084) AND A 
PORTION OF THE EASTERN CARIBBEAN ZONE (AMZ086) ARE UNDER A 
GALE WARNING FROM 11N-14N BETWEEN 73W-77W TONIGHT THROUGH FRI. 
WIND ARE EXPECTED TO DIMINISH TO BELOW GALE FORCE LATE FRI. THE 
WINDS WILL REMAIN STRONG IN THAT AREA THROUGH SUN THEN DECREASE
ON MON.

WARNINGS
ATLC...
.NONE. 

CARIBBEAN...
.GALE WARNING AMZ084 AND AMZ086 FROM 11N-14N BETWEEN 73W AND 77W 
TONIGHT THROUGH FRI.

GULF OF MEXICO...
.NONE.

FORECASTER DGS. TROPICAL PREDICTION CENTER.