000
AGXX40 KNHC 211856
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
256 PM EDT TUE JUL 21 2009

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

SURFACE TROUGH IN THE NE GULF OF MEXICO EXTENDS FROM NW FLORIDA 
NEAR 29N83W TO 1014 MB LOW PRES AT 28N86W THE TROUGH CONTINUES 
TO 26N89W. THE TROUGH SHOULD DISSIPATE LATER THIS EVENING...HAS 
HIGH PRES RIDGE BUILDS ACROSS THE NORTHERN GULF. MOSTLY LIGHT 
WINDS ACROSS THE AREA EXCEPT OVER THE FAR W PORTION OF THE AREA 
WHERE SLY WINDS ARE AROUND 15 KT W OF 95W. THESE CONDITIONS ARE 
EXPECTED TO CONTINUE THROUGH THE REMAINDER OF THE WEEK...THEN
THE WINDS OVER THE WESTERN GULF DECREASE OVER THE WEEKEND.

SURFACE TROUGH IN THE WESTERN ATLC OVER THE NW BAHAMAS 
EXTENDING FROM 28N76W TO 23N78W. BRISK ELY WINDS ARE SE OF THE 
TROUGH IN THE 20-25 KT RANGE. A LARGE AREA OF CONVECTION IS 300 
NM E OF THE TROUGH. THE TROUGH WILL DRIFT TO ALONG THE CENTRAL 
COAST OF FLORIDA THROUGH THU AND MOVE N OF THE AREA FRI.
THE STRONG WINDS SE OF THE TROUGH WILL CONTINUE THROUGH THU
THEN DECREASE FRI AS THE TROUGH MOVES N OF THE AREA. RIDGE BUILDS
ALONG 27N/28N OVER THE WEEKEND.

A COUPLE OF TROPICAL WAVES ARE MOVING THROUGH THE CARIBBEAN AREA.
ONE ALONG 68W AND ANOTHER AROUND 57W. A LARGE AREA OF STRONG
CONVECTION ASSOCIATED WITH THE FIRST WAVE IS N OF AROUND 15N E OF
THE WAVE TO 63W. THE STRONGEST WINDS CURRENTLY OVER THE NE 
CARIBBEAN N OF 15N E OF 70W. THE STRONG WINDS SPREAD WWD AS THE
TROPICAL WAVE TRACKS TO THE WEST. WINDS 20-25 KT WITH SEAS 8-11
FT WILL CONTINUE THROUGH THE WEEKEND...HOWEVER WINDS AND SEAS
WILL DECREASE SOME OVER THE EASTERN CARIBBEAN.

ATLC...
.NONE. 

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

$$
FORECASTER DGS