000
AGXX40 KNHC 081910
MIMATS

MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
230 PM EST THU NOV 08 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...
CURRENTLY...HIGH PRES OVER THE NORTHERN MISSISSIPPI EXTENDS A 
RIDGE ACROSS THE GULF WATERS. LATEST SCATTEROMETER...SHIP...AND 
BUOY OBSERVATIONS DEPICT MODERATE TO FRESH NORTHERLY WINDS OVER 
THE EASTERN GULF WITH GENTLE TO MODERATE WINDS OVER THE WESTERN 
GULF. SEAS ARE 4 TO 5 FT OVER THE EASTERN GULF AND 2 TO 3 FT 
OVER THE WESTERN GULF. HIGH PRESSURE WILL SHIFT ACROSS THE SE 
UNITED STATES OVER THE NEXT COUPLE OF DAYS AND INTO THE WESTERN 
ATLANTIC WATERS THIS WEEKEND. THIS WILL PRODUCE ANTICYCLONIC 
FLOW ACROSS THE GULF OF MEXICO THROUGH THE WEEKEND. THIS WILL 
TIGHTEN THE PRESSURE GRADIENT OVER THE GULF REGION AND FRESHEN 
THE WINDS ACROSS THE AREA THIS WEEKEND. THE NEXT COLD FRONT WILL 
MOVE INTO THE WESTERN GULF WATERS ON MON FOLLOWED BY NEAR GALE 
FORCE WINDS AND BUILDING SEAS TO 10 FT. THE FRONT WILL SHIFT 
RAPIDLY EASTWARD...EXTENDING FROM SE LOUISIANA TO THE W BAY OF 
CAMPECHE BY MON NIGHT. 

SOUTHWEST NORTH ATLC S OF 31N W OF 65W...
A WEAKENING COLD FRONT EXTENDS FROM 31N63W TO EASTERN CUBA. A 
REINFORCING COLD FRONT STRETCHES FROM 31N68W TO THE STRAITS OF 
FLORIDA. LATEST SCATTEROMETER...SHIP...AND BUOY OBSERVATIONS 
DEPICT FRESH TO STRONG WINDS N OF 27N W OF THE REINFORCING COLD 
FRONT AND N OF 28N E OF REINFORCING COLD FRONT TO 65W. GENTLE TO 
MODERATE WINDS ARE NOTED OVER THE REMAINDER OF THE FORECAST 
REGION. SEAS ARE 6 TO 8 FT N OF 25N W OF THE FRONT...3 TO 5 FT 
OVER THE REMAINDER OF THE AREA E OF THE BAHAMAS...AND 1 TO 2 FT 
W OF THE BAHAMAS. THESE FRONTS ARE FORECAST TO MERGE TODAY 
REACHING A POSITION FROM 31N60W TO THE WINDWARD PASSAGE FRI 
MORNING AND FROM 31N54W TO DOMINICAN REPUBLIC SAT MORNING WHERE 
IT WILL STALL AND DISSIPATE THROUGH SUN. HIGH PRESSURE WILL 
BUILD N OF THE AREA THIS WEEKEND WHICH WILL RESULT IN A TIGHTER 
PRESSURE GRADIENT AND FRESH TO STRONG WINDS PREVAILING OVER MUCH 
OF THE FORECAST REGION THIS WEEKEND. ACCORDING TO THE MARINE 
GUIDANCE...SEAS WILL RANGE FROM 8 TO 11 FT E OF THE BAHAMAS LATE 
SUN INTO MON. WINDS WILL THEN GRADUALLY DECREASE FROM W TO E AS 
THE HIGH PRES CENTER CONTINUES TO SHIFT EASTWARD ACROSS THE 
CENTRAL ATLC OCEAN.  

CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W...
A WEAKENING COLD FRONT EXTENDS FROM EASTERN CUBA TO THE GULF OF 
HONDURAS. SCATTEROMETER DATA...AND SHIP AND BUOY OBSERVATIONS 
SHOW MODERATE TO FRESH WINDS W OF THE FRONT AND GENTLE TO 
MODERATE TRADEWINDS OVER THE REMAINDER OF THE CARIBBEAN SEA AND 
TROPICAL N ATLC WATERS. SEAS ARE GENERALLY 3 TO 5 FT OVER THE 
CARIBBEAN WATERS AND 4 TO 6 FT OVER THE TROPICAL N ATLC WATERS. 
THE COLD FRONT WILL SLOWLY DRIFT EASTWARD AND GRADUALLY 
DISSIPATE BY FRI. HIGH PRES IN THE WAKE OF THE FRONT WILL MOVE 
FROM THE SE CONUS INTO THE WESTERN ATLC BY SAT. AS A RESULT...
THE PRESSURE GRADIENT WILL TIGHTEN OVER THE CENTRAL AND WESTERN 
CARIBBEAN THROUGH THE WEEKEND. THIS WILL FRESHEN THE TRADEWIND 
FLOW OVER THE CENTRAL AND WESTERN CARIBBEAN WATERS THROUGH SUN 
BEFORE WINDS DIMINISH ON MON.
 
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 GR