000
AGXX40 KNHC 270740
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
240 AM EST SAT NOV 27 2010

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...
COLD FRONT ACROSS GULF WATERS EXPECTED TO REACH FROM STRAITS OF 
FLORIDA TO BAY OF CAMPECHE THIS AFTERNOON THEN QUICKLY WASH OUT 
TONIGHT THROUGH SUN.  FRESH NE WINDS VEER SE-S OVER NW GULF SUN 
WITH STRONG SLY RETURN BREEZE SPREADING E ACROSS ENTIRE GULF SUN 
NIGHT AND MON.  SECOND COLD FRONT ENTER NW GULF LATE MON WITH 
GALE CONDITIONS EXPECTED BEHIND BOUNDARY IN BOTH WRN ZONES...AND 
POSSIBLY AHEAD OF MODEL GUIDANCE TIMING.  FRONT REACH FROM 
STRAITS OF FLORIDA TO NE YUCATAN PENINSULA TUE NIGHT WITH WINDS 
DIMINISHING BELOW GALE LATE TUE.  STRONG NE BREEZE REMAIN ACROSS 
MIDDLE AND EASTERN GULF ZONES THROUGH WED NIGHT.  
 
CARIBBEAN SEA AND TROPICAL N ATLC...
HIGH PRES CENTERED SW OF BERMUDA MAINTAINS TIGHT PRES GRADIENT 
TODAY ACROSS CARIBBEAN BASIN E OF 83W WITH STRONG E-NE BREEZE.  
RIDGE LOSES ITS GRIP AS IT IS FORCED E BY COLD FRONT...BUT 
BUILDS AGAIN BEHIND COLD FRONT SUN.  ASSOCIATED LARGE N SWELLS 
REACH NE CARIBBEAN PASSAGES TODAY WITH SEAS BUILDING TO 11 FT.  
SEAS SUBSIDE LATE TONIGHT.  SECOND...AND STRONGER...COLD FRONT 
MOVES INTO YUCATAN CHANNEL EARLY WED.         

SW N ATLC...
BROAD HIGH PRES CENTER 1019 MB DOMINATING ENTIRE BASIN IS BEING 
FORCED E BY COLD FRONT WHICH ENTERED EARLIER TODAY AND IS 
EXPECTED TO REACH FROM 31N69W TO STRAITS OF FLORIDA LATE TODAY.
FRONT STALLS W OF 70W AND DISSIPATES SUN AS REMNANTS MOVE N AS 
WARM FRONT MON IN ADVANCE OF NEXT COLD FRONT.  FRESH TO STRONG 
SE TO S BREEZE N OF 27N W OF 75W THROUGH LATE TUE SIGNAL 
APPROACH OF COLD FRONT.  

LINGERING LARGE SWELLS W OF 70W SUBSIDE THROUGH LATE SUN...BUT 
HIGH PRES BUILDING BEHIND COLD FRONT INITIATES NEW ROUND OF 12 
FT SWELLS REACHING AS FAR W AS 70W BY LATE TU.    
 
WARNINGS...

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.GMZ080 AND GMZ082...GALE CONDITIONS EXPECTED MON NIGHT AND TUE.
         
FOR ADDITIONAL INFORMATION PLEASE VISIT 
HTTP://WWW.HURRICANES.GOV/MARINE

$$
FORECASTER NELSON