000
AGXX40 KNHC 220611
MIMATS

MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 AM EDT MON OCT 22 2012

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...
HIGH PRES RIDGE OVER THE NE U.S. WITH SLY RETURN FLOW INCREASING 
TO 15-20 KT ACROSS THE NW GULF TODAY. THE HIGH MOVES E AND THE 
PRES GRADIENT WEAKENS OVER THE NW GULF TUE AND WINDS DECREASE TO 
10-15 KT. HOWEVER AS THE HIGH MOVES E THE WINDS PICK UP TO 15-20 
KT WITH SEAS TO 6 FT ACROSS THE SE GULF AND THROUGH THE STRAITS 
OF FLORIDA TUE AND WED. LOW PRES IN THE CARIBBEAN IS FORECAST TO 
MOVE N AND COULD POSSIBLY DEVELOP INTO A TROPICAL CYCLONE. AS 
THE LOW MOVES N THE GRADIENT TIGHTENS EVEN FURTHER AND WINDS 
INCREASE TO 20-25 KT THROUGH THE STRAITS OF FLORIDA THU AND FRI.

SW N ATLC S OF 31N W OF 65W...
COLD FRONT FROM 31N65W TO WESTERN CUBA. THE FRONT WILL EXTEND 
ACROSS THE FAR SE PORTION OF THE AREA LATER TODAY THEN WEAKEN 
AND MOVE E OF THE AREA TONIGHT. HIGH PRES BUILDS BEHIND THE 
FRONT NE WINDS INCREASE TO 15-20 KT ACROSS THE W PORTION OF THE 
AREA TODAY AS HIGH PRES MOVES INTO THE EASTERN U.S.  ELY WINDS 
15-20 KT ACROSS MUCH OF THE AREA TUE AND WED AS THE PRES 
GRADIENT TIGHTENS BETWEEN HIGH PRES TO THE N OF THE AREA AND 
LOWER PRES IN THE CARIBBEAN. THE LOW MOVES N AND WINDS INCREASE 
TO 20-25 KT THU. THE LOW...POSSIBLE TROPICAL CYCLONE...MOVES 
THROUGH THE BAHAMAS FRI.

CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W...
LOW PRES...1004 MB...NEAR 14N78W WILL DRIFT W TODAY THEN MOVE N 
TO S OF JAMAICA TUE THEN LIFT FURTHER TO THE N TOWARD JAMAICA 
AND EASTERN CUBA WED. THE LOW COULD POSSIBLY DEVELOP INTO A 
TROPICAL CYCLONE. THE LOW MOVES N OF THE AREA LATE THU AND FRI. 
WINDS INCREASE MAINLY N OF LOW PRES CENTER LATE TUE AS THE LOW 
IS FORECAST TO STRENGTHEN FURTHER.


WINDS ARE FORECAST TO INCREASE TO 20-25 KT AS THE LOW 
STRENGTHENS THROUGH THE MIDDLE OF THE WEEK.

NOTE...GRIDDED MARINE FORECAST IS AVAILABLE AT 
WWW.NHC.NOAA.GOV/TAFB/GRIDDED_MARINE

GULF OF MEXICO...
.NONE.

CARIBBEAN SEA AND TROPICAL N ATLC...
.NONE.

SW N ATLANTIC...
.NONE.
  
FOR ADDITIONAL INFORMATION PLEASE VISIT
WWW.HURRICANES.GOV/MARINE

$$
FORECASTER DGS