000
AGXX40 KNHC 260804
MIMATS

MARINE WEATHER DISCUSSION 
NWS NATIONAL HURRICANE CENTER MIAMI FL
245 AM EST TUE FEB 26 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...
STRONG COLD FRONT EXTEND FROM 30N88W TO 18N95W BRINGS SHORT- 
LIVED GALE FORCE WINDS TO NORTHWESTERN ZONES GMZ011...GMZ013 AND 
GMZ017 TONIGHT. WARM FRONT ALONG NORTHEASTERN GULF COAST CARRIES 
ABUNDANT MOISTURE AND STRONG CONVECTION...SOME POSSIBLY SEVERE  
...TONIGHT AND TUE.  CURRENT STRONG TO NEAR GALE S-SW WINDS 
WITHIN 150 NM AHEAD OF COLD FRONT ARE REPLACED WITH NW GALE 
FORCE WINDS AFTER FRONTAL PASSAGE WITH SEAS TO 13-14 FT TONIGHT. 
VIGOROUS SHORT WAVE TROUGH ENERGIZING SURFACE LOW PRES 993 MB 
OVER LOUISIANA SWINGS NE TUE PULLING SUPPORT AWAY FROM COLD 
FRONT AND EFFECTIVELY SLOWING IT TO A STALL FROM STRAITS OF 
FLORIDA TO NE YUCATAN PENINSULA TONIGHT.  WEAK HIGH PRES 1015 MB 
BUILDS OVER BASIN WED THEN A BLAST OF COLD AIR...POSSIBLY THE 
COLDEST OF THE YEAR...RUSHES INTO GULF WATERS BEHIND SECOND COLD 
FRONT WHICH ENTERS NW CORNER EARLY THU.  WINDS AND SEAS INCREASE 
RAPIDLY BEHIND COLD FRONT REACHING NEAR GALE CONDITIONS AND SEAS 
TO 12-13 FT BY FRI AND SAT...AFTER WHICH ALMOST THE ENTIRE BASIN 
REMAINS UNDER COLD...WINDY AND ROUGH SEA CONDITIONS THROUGH THE 
WEEKEND.

CARIBBEAN SEA AND TROPICAL N ATLC S OF 22N W OF 55W...
HIGH PRES N OF BASIN MAINTAIN FRESH TO STRONG TRADES ACROSS 
CENTRAL CARIBBEAN THROUGH WED WHILE MAINLY MODERATE TO FRESH 
EASTERLY TRADES PERSIST ELSEWHERE THROUGH FORECAST PERIOD.  GULF 
OF HONDURAS WINDS VEERING AND INCREASING TO A FRESH BREEZE AS 
GULF OF MEXICO COLD FRONT APPROACHES BUT DIMINISH TO A GENTLE 
BREEZE AS FRONT STALLS ACROSS YUCATAN CHANNEL TONIGHT. 

ATLC LARGE LONG-PERIOD NE SWELLS ARE AFFECTING NORTHERN PORTION 
OF TROPICAL N ATLC AND SEEP INTO NE CARIBBEAN THROUGH DEEP 
PASSAGES IN ANEGADA AND MONA TONIGHT THROUGH WED.
  
SW N ATLC S OF 31N W OF 55W...
STATIONARY FRONT FROM 26N65W TO N FLORIDA MOVE BACK NORTH AS A 
WARM FRONT TODAY AS COLD FRONT MOVES OFF NE FLORIDA COAST LATER 
TODAY.  COLD FRONT REACH 31N73W TO S FLORIDA EARLY WED...FROM 
BERMUDA TO N 23N80W EARLY THU...FROM 27N65W TO E TIP OF CUBA 
EARLY FRI THEN STALL OVER SE CORNER OF BASIN.  SE WINDS 
INCREASE TO A STRONG BREEZE WITH SEAS OF 8-11 FT N OF 27N W OF 
70W ASSOCIATED WITH  WARM FRONT THROUGH WED...THEN STRONG NW 
FOLLOW BEHIND COLD FRONT ENTERING NW CORNER OF BASIN.  .

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 WALLY BARNES