000
AGXX40 KNHC 171847
MIMATS

MARINE WEATHER DISCUSSION 
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EST SUN FEB 17 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...
FAST MOVING COLD FRONT MOVE SE OF REGION. FRESH TO STRONG N 
BREEZE ACROSS MOST OF EASTERN AND SOUTHERN GULF DIMINISH FROM W 
TO E LATER TODAY AS HIGH PRES BUILDS.  FRESH RETURN S BREEZE 
SETS UP OVER WESTERN GULF TODAY AND SPREAD E INCREASING TO A 
STRONG BREEZE MON.  WEAKER COLD FRONT REACH NW GULF TUE THEN 
STALL AND DISSIPATE OVER NORTHERN GULF WATERS WED.

CARIBBEAN SEA AND TROPICAL N ATLC S OF 22N W OF 55W...STRONG 
COLD FRONT RACING ENTERED NW CARIBBEAN EARLY TODAY AND REACH 
FROM WINDWARD PASSAGE TO NE NICARAGUA EARLY TONIGHT THEN STALL 
AND TRANSITION TO SHEAR LINE OVER W CENTRAL CARIBBEAN LATE 
TONIGHT.  STRONG HIGH PRES BUILD N OF AREA THROUGH MON.  FRESH 
TO STRONG NE TO E WINDS SPREAD E ACROSS REMAINDER OF BASIN MON 
NIGHT AND TUE THEN DIMINISH OVER NW CARIBBEAN WED AS THE PRES 
GRADIENT RELAXES.  LONG FETCH OF FRESH TO STRONG TRADES E OF 60W 
BRING LARGE LONG PERIOD SWELLS TO LESSER ANTILLES WED THROUGH 
END OF FORECAST PERIOD.  

SW N ATLC S OF 31N W OF 55W...
STRONG COLD FRONT MOVES QUICKLY ACROSS REGION TODAY AND REACH  
FROM 31N59W TO WINDWARD PASSAGE EARLY TONIGHT...FROM 31N55W TO 
HISPANIOLA EARLY MON THEN STALL AND TRANSITION TO SHEAR LINE 
THROUGH MON NIGHT.  GALE FORCE WINDS EXPECTED N OF 29N W OF 
FRONT TO 77W TODAY AND TONIGHT.  LARGE NW SWELL TO 17 FT ALONG 
31N SUBSIDE TONIGHT THROUGH WED.  FRESH TO STRONG NE-E WINDS 
DEVELOP S OF 24N MON.  SECOND COLD FRONT REACH NW PORTION LATE 
TUE NIGHT AND REACH 31N55W TO HAITI THU.

HIGH PRES BUILD W OF FRONT WITH WINDS DIMINISHING ACROSS MOST OF 
BASIN.  LARGE NW SWELL TO 17 FT FOLLOWS FRONT SUBSIDING AS THEY 
PROPAGATE SE THROUGH WED.  FRESH TO STRONG NE-E WINDS DEVELOP S 
OF 24N MON THROUGH WED WHERE PRES GRADIENT TIGHTENS.

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...
.GALE WARNING...AMZ113-AMZ115.

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

$$
FORECASTER WALLY BARNES