000 AGXX40 KNHC 191734 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1230 PM EST SAT DEC 19 2009 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W GULF OF MEXICO... N WINDS HAVE DIMINISHED OVER THE W GULF ALREADY...WILL DIMINISH BELOW 20 KT BY SUNRISE SUN OVER THE CENTRAL ZONE AND DIMINISH BELOW 20 KT OVER THE E ZONE SUN NIGHT. SURFACE HI PRES CENTERED OVER THE MS DELTA SUNRISE SUN WILL SHIFT E TO FL PANHANDLE MON NIGHT WITH SLY RETURN FLOW INCREASING W OF 95W MON NIGHT THEN SPREADING E TO COVER AREA W OF 85W TUE NIGHT. NEXT FRONT OFF TX COAST MIDDAY WED WITH GUIDANCE SUGGESTING MAX OF 30 KT IN POST FRONTAL CAA THU. CARIBBEAN AND TROPICAL N ATLC W OF 55W... WEAKENING FRONT FROM CENTRAL CUBA TO NE HONDURAS COULD MEANDER FOR SEVERAL DAYS BUT I DROPPED MENTION AFTER SUN IN TEXT PRODUCTS AND THEREAFTER REFERENCE 80W...AND LATER 78W...AS BOUNDARY SEPARATING N WINDS AT 20 TO 25 KT FROM E TRADES THROUGH WED. SAME FRONT WILL CONTINUE E INTO N PORTION OF TROPICAL ATLC SUN NIGHT AND MEANDER ALONG 20-21N THROUGH AT LEAST WED. N SWELLS OVER ATLC WATERS E OF THE VIRGIN ISLANDS THIS AFTERNOON WILL MIX WITH E TRADE SWELLS S OF 15N ON SUN WITH THE MIXED N AND E SWELL REACHING S AMERICAN COAST SUN NIGHT. N SWELLS BRIEFLY SUBSIDE NE VIRGIN ISLANDS MON THEN NLY SWELL TRAIN ARRIVE MON NIGHT BEHIND FRONT PREVIOUSLY MENTIONED WITH THIS SECONDARY SWATH OF SWELLS REACHING S AMERICA LATE WED. SW N ATLC W OF 55W... LOW PRES N OF AREA WILL DRAG CDFNT TO POSITION FROM BERMUDA TO E CUBA TONIGHT WITH FRONT STALLING OVER THE SE WATERS SUN NIGHT. SLY WINDS TO MINIMAL GALE N OF 27N E OF FRONT THROUGH TONIGHT BUT HAVE DIMINISHED TO MAX OF 30 KT W OF FRONT. LARGE SEAS BEHIND FRONT WILL AFFECT WATERS E OF THE BAHAMAS BUT ONLY EXPECT MAX OF 7 FT IN NORTHERN BAHAMA CHANNEL. WINDS AND SEAS GRADUALLY SUBSIDE FROM THROUGH W THROUGH TUE. GUIDANCE HANGS ONTO TO FRONTAL TROUGH OR SHEAR AXIS EXTENDING E TO W ALONG 21N E OF 75W THROUGH MID WEEK AND INCREASES GRADIENT OVER WATERS S OF 25N WED AND THU. I TONED DONE THESE ASSOCIATED WINDS AND SEAS A TAD ON WED AND EXPECT THE SAME FOR THU. WARNINGS... ATLC... .AMZ080...GALE WARNING N OF 27N E OF FRONT THROUGH TONIGHT. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER NELSON