000
AGXX40 KNHC 111805
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
115 PM EST TUE DEC 11 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...
A COLD FRONT IS MOVING ACROSS THE GULF WATERS AND EXTENDS FROM 
30N84W TO 23N94W TO 20N97W. WINDS BEHIND THE FRONT HAVE 
DIMINISHED TO BELOW GALE FORCE. SCATTEROMETER AND SURFACE DATA 
CURRENTLY SHOW WINDS OF 20 TO 25 KT IN THE WAKE OF THE FRONT 
WHICH IS FORECAST TO REACH A POSITION FROM 28N83W TO 25N90W TO 
19N95W WED MORNING AND FROM 26N82W TO 19N92W THU MORNING. AS 
THE FRONT CONTINUES TO MOVE SE ACROSS THE GULF REGION...WINDS 
AND SEAS WILL GRADUALLY DECREASE. EXPECT WINDS OF 20 KT OR LESS 
AND SEAS LESS THAN 8 FT BY THU MORNING. THE FRONT WILL BECOME 
DIFFUSE ACROSS THE STRAITS OF FLORIDA LATE THU INTO FRI. SLY 
RETURN FLOW WILL INCREASE TO 20 KT ACROSS THE NW CORNER OF THE 
AREA FRI THROUGH SAT.

SW N ATLC S OF 31N W OF 65W...
SOUTHERLY WINDS HAVE INCREASED TO 20 KT N OF 27N W OF 75W AHEAD 
OF COLD FRONT CURRENTLY REACHING THE COAST OF GEORGIA. WINDS 
WILL GRADUALLY VEER TO THE W AND NW BEHIND THE COLD FRONT 
FORECAST TO ENTER THE NW PORTION OF THE AREA LATER TODAY. THE 
FRONT WILL EXTEND FROM 31N78W TO NE FLORIDA WED MORNING...FROM 
31N75W TO NEAR LAKE OKEECHOBEE THU MORNING AND FROM 31N66W TO 
THE STRAITS OF FLORIDA FRI MORNING. EXPECT INCREASING WINDS OF 
20-25 KT AND BUILDING SEAS OF 8-11 FT IN THE WAKE OF THE FRONT. 
THE FRONT WILL BECOME DIFFUSE OVER THE SE WATERS LATE FRI INTO 
SAT. HIGH PRES WILL BUILD IN PRODUCING MAINLY MODERATE NE TO E 
WINDS ACROSS THE FORECAST REGION BY SAT. 

CARIBBEAN SEA AND TROPICAL N ATLC S OF 19N W OF 55W...
FRESH TO STRONG TRADE WINDS CONTINUE TO BLOW ACROSS THE 
CARIBBEAN SEA...MAINLY E OF 80W...AND THE TROPICAL N ATLC DUE TO 
THE PRESENCE OF A 1029 MB HIGH PRES LOCATED NE OF THE AREA. 
ASCAT PASSES PROVIDED OBSERVATIONS OF THESE WIND SPEEDS. BUOY 
41101 LOCATED NEAR 14.5N56W IS REPORTING SEA HEIGHTS OF 10 FT. 
AS USUAL...HIGHEST SEAS ACROSS THE CARIBBEAN SEA CAN BE FOUND 
NEAR THE COAST OF COLOMBIA. THE RIDGE N OF THE AREA WILL MOVE E 
AS A COLD FRONT MOVES OFF THE SE U.S. COAST WED AND THU. AS A 
RESULT...THE PRES GRADIENT AND ASSOCIATED WINDS WILL GRADUALLY 
WEAKEN ACROSS THE REGION LATE THU INTO FRI.

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