000 AGXX40 KNHC 131813 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 230 PM EDT SUN APR 13 2008 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... COLD FRONT EXTENDS FROM SW FL TO NW YUCATAN PENINSULA WILL BE REINFORCED SECONDARY COLD AIR SURGE ALREADY OVER ANALYZED OVER THE N WATERS. N WINDS TO 30 KT IN AREA OF GALE WARNING THIS MORNING AND STILL EXPECT STRONGEST WINDS TO JUST AFTER SUNSET TODAY...THEN DIMINISH AND VEER GRADUALLY TO SE AT 15-20 KT BY MID WEEK. OVER NW NW GULF WATERS WINDS MAY ACTUALLY DIMINISH TO VARIABLE 5 KT ALONG RIDGE AXIS PUSHING E ALONG 28N. SW N ATLC... RIDGE LIES E TO W ALONG 25N. A COLD FRONT OVER NW WATERS IS SLOWING ATTM BUT SECONDARY COLD SURGE IS NOTED UPSTREAM OVER SE CONUS...AND IS EXPECTED TO SWEEP SE OFF CONUS LATE TONIGHT OR EARLY MON...AND PUSH FRONT TO POSITION FROM 31N68W TO CENTRAL BAHAMAS SUNRISE MON...FROM BERMUDA TO SE BAHAMAS SUNSET MON... THEN WEAKEN AND DRIFT E ACROSS THE DISCUSSION AREA W OF 65W THROUGH THU AND BETWEEN 65W AND 55W FRI. GLOBAL MODELS HAVE SEAS BUILDING TO 13 FT N OF BAHAMAS BEGINNING TUE NIGHT. CARIBBEAN AND TROPICAL NORTH ATLANTIC... MODELS FLUCTUATING WITH WIND GUIDANCE ALONG COAST OF COLOMBIA BUT GENERALLY EXPECT WINDS TO INCREASE TO 25 KT OCCASIONALLY 30 KT MON AND CONTINUE THROUGH REMAINDER OF WEEK. COLD FRONT ENTERS YUCATAN CHANNEL LATE THIS AFTERNOON WITH N WINDS INCREASING TO 20 KT AND SEAS BUILDING TO 8 FT BEHIND THE FRONT WHICH IS EXPECTED TO STALL FROM E CUBA TO GULF OF HONDURAS AND WASH OUT BY MID WEEK. EASTERLY TRADES CONTINUE TROPICAL ATLC WATERS EXCEPT FOR SOUTHERN EXTENSION OF FRONT OVER NW WATERS LATE THU INTO FRI. WARNINGS... ATLC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... GMZ082...GALE WARNING S OF 24N W OF 93W... FORECASTER NELSON