000
AGXX40 KNHC 120626
MIMATS

MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 
230 AM EDT TUE MAR 12 2013

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 EXTENDS FROM THE FLORIDA BIG BEND 
TO THE YUCATAN PENINSULA. LATEST SCATTEROMETER ALONG WITH SHIP 
AND BUOY DATA INDICATE WINDS HAVE DIMINISHED WEST OF THE FRONT 
WITH MAINLY FRESH TO STRONG WINDS PREVAILING. FRESH TO STRONG 
SOUTHERLY WINDS ARE NOTED N OF 25N AND E OF THE FRONT. SEAS 
RANGE FROM 8 TO 12 FT W OF THE FRONT TO 94W AND 4 TO 6 FT W OF 
94W. SEAS E OF THE FRONT ARE 4 TO 6 FT. THE COLD FRONT WILL 
CONTINUE TO SHIFT EASTWARD TODAY...AND WILL MOVE SE OF THE AREA 
BY TONIGHT. HIGH PRESSURE WILL BUILD ACROSS THE GULF WATERS IN 
THE WAKE OF THE FRONT HELPING TO PRODUCE A TIGHT GRADIENT TO 
SUPPORT FRESH TO STRONG NORTHERLY WINDS OVER THE SE PART OF THE 
GULF WATERS THROUGH FRIDAY.  
                                               
SW N ATLC S OF 31N W OF 55W... LATEST SURFACE OBSERVATIONS 
DEPICT FRESH TO STRONG NORTHERLY WINDS OVER THE FAR NE PART OF 
THE AREA WITH GENTLE TO MODERATE BREEZE OVER THE REMAINDER OF 
THE AREA. LARGE NORTHERLY SWELL CONTINUES TO BE THE MAIN FEATURE 
OF INTEREST...DOMINATING THE REGION WITH SEAS RANGING FROM 10 TO 
18 FT WITH THE HIGHEST SEAS IN THE REGION OF STRONGEST WINDS. 
SEAS WILL SLOWLY SUBSIDE THE REMAINDER OF THE WEEK...AND START 
TO SUBSIDE BELOW 8 FT THU NIGHT. SOUTHERLY WINDS HAVE FRESHENED 
OVER THE NW PART OF THE FORECAST AREA AHEAD OF THE NEXT COLD 
FRONT WHICH WILL MOVE INTO THE FAR NW PART OF THE FORECAST AREA  
BY TONIGHT. THE COLD FRONT WILL EXTEND FROM NEAR 31N74W TO 
CENTRAL CUBA EARLY WED...FROM BERMUDA TO EASTERN CUBA EARLY 
THU...FROM 23N65W TO HAITI FRI BEFORE STALLING ALONG 22N SAT. 
HIGH PRESSURE WILL BUILD IN THE WAKE OF THE FRONT. 

CARIBBEAN SEA AND TROPICAL N ATLC S OF 22N W OF 55W... LATEST 
SCATTEROMETER ALONG WITH SHIP AND BUOY DATA INDICATE STRONG TO 
NEAR GALE TRADEWINDS PREVAIL OVER THE CENTRAL CARIBBEAN WATERS 
OFF THE COAST OF COLOMBIA. MODERATE TO FRESH WINDS PREVAIL OVER 
THE REMAINDER OF THE FORECAST AREA. SEAS ARE 8-10 FT OFF THE 
COAST OF COLOMBIA AND 4-7 FT OVER THE REMAINDER OF THE 
CARIBBEAN. LARGE NORTHERLY SWELL PREVAILS OVER THE TROPICAL N 
ATLC WATERS WITH SEAS 8-11 FT. THE LARGE NORTHERLY SWELLS WILL 
PREVAIL OVER THE TROPICAL N ATLC WATERS THROUGH THURSDAY BEFORE 
DIMINISHING BELOW 8 FT FRIDAY. A COLD FRONT WILL MOVE INTO THE 
FAR W CARIBBEAN TONIGHT...EXTEND FROM WESTERN CUBA TO THE GULF 
OF HONDURAS EARLY WED...FROM EASTERN CUBA TO THE GULF OF 
HONDURAS EARLY THU...THEN STALL AND WEAKEN TO A SHEAR LINE FROM 
THE WINDWARD PASSAGE TO THE BORDER OF HONDURAS AND NICARAGUA FRI 
BEFORE DISSIPATING SAT. 
 
NOTE...GRIDDED MARINE FORECAST IS AVAILABLE AT 
WWW.NHC.NOAA.GOV/TAFB/GRIDDED_MARINE

WARNINGS...

GULF OF MEXICO...
.NONE.

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

SW N ATLC...
.NONE.

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

$$
FORECASTER AL