000 AGXX40 KNHC 201926 AAA MIMATS MARINE WEATHER DISCUSSION...UPDATED NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 230 PM EST SUN NOV 20 2005 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... COLD FRONT CURRENTLY OVER THE NW GULF WILL PUSH QUICKLY EWD OVER THE GULF WATERS THROUGH LATE MON LIGHTING UP THE ENTIRE AREA WITH STRONG NORTHERLIES AND BUILDING SEAS. A GALE WARNING IS IN EFFECT FOR THE TYPICALLY FAVORED REGION IN THE SW GULF ZONE NEAR THE COAST OF MEXICO. FRONT EXITS AREA LATE MON WITH WINDS AND SEAS SLOWLY SUBSIDING. RESIDUAL NLY SWELL WILL PERSIST THROUGH LATE TUE OR WED WITH WINDS AGAIN INCREASING THU WITH NEXT COLD FRONT. CARIBBEAN SEA AND TROPICAL N ATLC... GAMMA DOWNGRADED TO A DEPRESSION THIS MORNING AND EXPECTED TO DISSIPATE IN THE 24-36 TIMEFRAME PER THE LAST NHC FORECAST. REMNANT LOW WILL DRIFT EWD THEREAFTER EVENTUALLY MERGING WITH A STRONG COLD FRONT THAT WILL PUSH INTO THE AREA LATE MON. ALL TROPICAL WARNINGS DROPPED AND WINDS EXPECTED TO STAY BELOW GALE THRESHOLD WITH FRONT. THE FRONT PULLS UP STATIONARY FROM ROUGHLY W HISPANIOLA TO W PANAMA WED THEN BECOMES DIFFUSE THU. WINDS TO REMAIN AT LEAST 20 KT WITHIN 100-200 NM NW OF FRONT THROUGH ENTIRE FORECAST BUT DROP BELOW 20 KT ELSEWHERE W OF FRONT BY WED AFTERNOON. STRONG EASTERLIES ALONG COAST OF COLOMBIA WILL REMAIN THROUGH MON THEN WEAKEN AS FRONT APPROACHES. LOW LEVEL TROUGH OVER THE N PORTION OF TROPICAL ATLC WATERS KEEPING ELY TRADES BELOW NORMAL. STRONG LOW PRES CURRENTLY DEVELOPING OVER THE CENTRAL ATLC WILL MEANDER FOR SEVERAL DAYS. THIS COULD SET THE STAGE FOR THE GENERATION OF LARGE SWELLS WHICH MAY AFFECT THE N PORTION OF ZONE LATE TUE THROUGH THU. ATLANTIC... COMPLEX AND RAPIDLY EVOLVING PATTERN OVER THE ATLC WATERS COURTESY OF AN OLD FRONTAL BOUNDARY DRAPED ALONG 27N/28N AND A NEW COLD FRONT EXPECTED TO MOVE INTO THE AREA LATE MON. CURRENTLY...AN AREA OF 20-25 KT EASTERLIES EXIST TO THE NORTH OF EXISTING FRONT. THE FRONT AND ASSOCIATED EASTERLIES WILL LIFT QUICKLY N OF AREA BY EARLY MONDAY WITH STRONG SLY FLOW IN ADVANCE OF UPSTREAM FRONT DEVELOPING DURING THE DAY MONDAY. LATEST GFS SHOWING SOLID GALE FORCE WINDS BOTH BEHIND AND AHEAD OF COLD FRONT. AS SUCH...GALE CONDITIONS EXPECTED NOW HEADLINED FOR SW ATLC ZONE. FRONT PROGRESSES ACROSS AREA TUE THROUGH WED THEN HANGS UP OVER EXTREME SE PORTION OF THE AREA WED AND THU. POST-FRONTAL NORTHERLIES DECREASE LATE WED AND WED NIGHT BUT SWELL TO REMAIN HIGH THROUGH THU. PATTERN REPEATS ITSELF WITH NEXT COLD FRONT MOVING OFF THE SE UNITED STATES COAST DURING THE DAY THU. AGAIN...STRONG SLY FLOW WILL DEVELOP THU IN ADVANCE OF FRONT OVER NW PORTION OF AREA. WARNINGS... ATLANTIC... AMZ088...GALE WARNING EXPECTED MON NIGHT AND TUE. CARIBBEAN... NONE. GULF OF MEXICO... GMZ082...GALE WARNING. FORECASTER RHOME