000 AGXX40 KNHC 261822 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 130 PM EST FRI NOV 26 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... A COLD FRONT OVER NW WATERS ATTM STILL EXPECTED TO REACH FROM THE FL STRAITS TO THE BAY OF CAMPECHE SAT AFTERNOON THEN QUICKLY WASH OUT SAT NIGHT EXCEPT FOR SOME REMNANTS THAT WILL LIKELY PERSIST IN THE BAY OF CAMPECHE THROUGH SUN...AND THEN MOVE W AND INLAND MEXICO SUN NIGHT INTO EARLY MON. OBSERVED WINDS NW OF FRONT AT SUNRISE THIS MORNING WERE A TAD HIGHER THAN INITIALIZATION OF GUIDANCE...SO MOVED BEGINNING OF GALE WARNING TO 1200 UTC INSTEAD OF 18 UTC THIS MORNING. STILL EXPECT THE GALE TO BE SHORT LIVED WITH N WINDS DIMINISHING BELOW GALE AROUND SUNSET TODAY. WINDS WILL VEER TO SE-S OVER THE NW GULF SUN WITH THE SLY FLOW SPREADING E ACROSS THE ENTIRE GULF SUN NIGHT. A SECOND COLD FRONT WILL ENTER THE NW GULF AROUND SUNSET MON...AND PASS SE OF AREA AROUND SUNRISE WED. THIS FRONT SEEMS MUCH STRONGER AND LATEST GUIDANCE IS FASTER WITH THE FRONT. CONTINUED THE GALE CONDITIONS EXPECTED WORDING FOR BOTH WESTERN ZONES...BUT MOVED THE EVENT UP TO BEGINNING LATE MON NIGHT AND CONTINUING THROUGH TUE...WITH WINDS DIMINISHING BELOW GALE TUE NIGHT. PATTERN WILL REPEAT WITH WINDS BECOMING SLY OVER NW WATERS WED NIGHT. CARIBBEAN SEA AND TROPICAL N ATLC... HIGH PRES CENTERED SW OF BERMUDA MAINTAINS TIGHT PRES GRADIENT ACROSS CARIBBEAN BASIN E OF ABOUT 83W WITH GRADIENT EXPECTED TO RELAX A LITTLE ON SAT...BUT TIGHTEN AGAIN ON SUN. A COLD FRONT IS CURRENTLY MOVING INTO THE ATLC WATERS N OF THE LEEWARDS ACCOMPANIED BY LARGE N SWELLS...WHICH WILL REACH NE CARIBBEAN PASSAGES SAT MORNING WITH ASSOCIATED SEAS TO ABOUT 11 FT. SEAS WILL SUBSIDE TO ABOUT 9 FT BY THE TIME THEY REACH THE N COAST OF S AMERICA ALONG 08N ON SAT NIGHT. ELY WINDS WILL BECOME SE AT 15-20 KT OVER THE NW CARIBBEAN TUE...THEN DIMINISH JUST AHEAD OF A COLD FRONT MOVING INTO THE YUCATAN CHANNEL AROUND DAYBREAK WED. THIS FRONT LIKELY REACH ERN GULF OF HONDURAS BEFORE STALLING LATE WED NIGHT. SW N ATLC... A FRONTAL BOUNDARY CURRENTLY EXTENDS FROM 22N55W TO 21N65W TO 31N74W WITH THE SEGMENT N OF 27N MOVING NE AS EXPECTED AS SLY WINDS ARE INCREASING ATLC WATERS JUST E OF NRN FL. NEXT COLD FRONT WILL MOVE OFF GA COAST AROUND SUNSET TODAY REACHING FROM BERMUDA TO STRAITS OF FLORIDA AROUND SUNSET SAT. MOISTURE GUIDANCE HANGS ONTO REMNANTS OF THIS SECOND FRONT ALONG ABOUT 26N SUN NIGHT...BUT NOW SUGGEST THE POST FRONTAL RIDGE WILL PUSH REMNANT MOISTURE SW OVER HISPANIOLA AND CUBA TUE. BY THEN...LOW LEVEL WINDS WILL HAVE VEERED TO S AND INCREASE OVER THE NW WATERS IN ADVANCE OF A STRONGER COLD FRONT MOVING OFF GA COAST AROUND SUNSET TUE. THIS STRONG FRONT WILL PASS THROUGH NW BAHAMAS AND SE FL LATE WED ACCOMPANIED BY 20-25 KT WIND SHIFT. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .GMZ082...GALE WRNG S OF 25N W OF 95W. .GMZ080 AND GMZ082...GALE CONDS EXPECTED MON NIGHT-TUE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER NELSON