000
AGXX40 KNHC 170546
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
200 AM EDT SUN OCT 17 2010

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

GULF OF MEXICO 1022 MB SURFACE HIGH PRES IS CENTERED NEAR THE 
MOUTH OF THE MISSISSIPPI. THE HIGH IS FORECAST TO MOVE E INTO 
THE FLORIDA PANHANDLE TONIGHT AND INTO THE ATLC MON. THE RIDGE 
AXIS EXTENDING ACROSS THE NORTHERN GULF WILL MAINTAIN GENERALLY 
LIGHT WINDS...MOSTLY 5-10 KT EXCEPT FOR THE FAR SE PORTION OF 
THE AREA WHERE ELY WINDS WILL BE UP TO 15 KT THROUGH MON NIGHT. 
VERY WEAK PRES PATTERN ACROSS THE ENTIRE GULF TUE THROUGH THU 
HOWEVER SLY WINDS INCREASE TO 15 KT OVER THE FAR NW GULF THU.

ATLC COLD FRONT EXTENDS FROM 25N65 TO 22N75W. NW WINDS 15 TO 20 
KT OVER THE FAR NE PORTION OF THE AREA WILL DECREASE LATER THIS 
MORNING. THE FRONT WILL SHIFT S TO ALONG 23N65W TO E CUBA LATER 
TODAY AND DISSIPATE SUN NIGHT. HIGH PRES WILL BUILD BEHIND THE 
FRONT ACROSS THE NORTHERN PORTION AREA ALONG 30N. TRADE WINDS 
WILL INCREASE SOME TO THE S OF THE HIGH PRES S OF AROUND 25N MON 
AND TUE. LARGE NLY SWELLS MOVING INTO THE NE PORTION OF THE AREA 
WILL SUBSIDE MON NIGHT. WEAK COLD FRONT WILL EXTEND FROM 31N74W 
TO CENTRAL BAHAMAS WED AND FROM 31N69W TO SE BAHAMAS THU. MOSTLY 
LIGHT WINDS WITH THE FRONT.

WINDS GENERALLY 10-15 KT ACROSS THE CARIBBEAN. TROUGH OVER THE 
SW CARIBBEAN ALONG 79W WITH A 1012 MB LOW PRES ALONG THE S END 
OF THE TROUGH NEAR 11N79W. THE LOW AND THE TROUGH WILL DRIFT TO 
THE W WITH THE LOW NEAR 12N82W LATE MON AND ALONG THE COAST OF 
NICARAGUA NEAR 12N83W TUE THEN BECOMING NEARLY STATIONARY WED 
AND THU. MODELS HAVE BACKED OFF IN DEVELOPING THIS SYSTEM WITH 
WINDS FORECAST TO BE 10-15 KT AROUND THE LOW.

WARNINGS...

ATLC...
.NONE.

CARIBBEAN...
.NONE.
  
GULF OF MEXICO...
.NONE.

FOR ADDITIONAL INFORMATION PLEASE VISIT 
HTTP://WWW.HURRICANES.GOV/MARINE

$$
FORECASTER DGS