000 AGXX40 KNHC 251626 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1230 PM EDT SAT OCT 25 2008 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO... CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. SW N ATLC... A QSCAT PASS AROUND 11Z STILL REVEALED SE TO S WINDS TO GALE FORCE ACROSS THE FAR N PORTION OF THE ZONE N OF 30N BETWEEN 74W AND ABOUT 80W. THESE HIGH WINDS ARE THE RESULT OF A TIGHT PRESSURE GRADIENT BETWEEN A COLD FRONT JUST OFF THE NE FLORIDA COAST AND STRONG HIGH PRES OVER THE NW ATLANTIC. DECIDED TO KEEP THE GALE EXPIRATION TIME AT 18Z AS IT APPEARS THAT GALE WINDS SHOULD SHIFT COMPLETELY N OF THE ZONE SHORTLY AS LOW PRES OVER THE CAROLINAS RACES NE. HOWEVER...EVEN AS THE WINDS DIMINISH SEAS WILL REMAIN QUITE ELEVATED THROUGH THE REMAINDER OF THE WEEKEND DUE TO LONG PERIOD N SWELL. THE COLD FRONT IS EXPECTED TO SLOWLY MOVE E AND BECOME REINFORCED MON NIGHT AND TUE WITH AN INCREASE IN N WINDS EXPECTED AT THAT TIME. BY MID-WEEK THE FRONT WILL LIKELY STALL ACROSS THE FAR SE CORNER OF THE ZONE. GULF OF MEXICO... A FRONTAL BOUNDARY IS MAKING SLOW PROGRESSION SE EXTENDING FROM CENTRAL FLORIDA TO 24N87W THEN STATIONARY OVER THE N PORTION OF THE YUCATAN PENINSULA. SATELLITE IMAGERY AND SFC OBSERVATIONS SHOW THE PRESENCE OF A BROAD LOW...ANALYZED DETACHED FROM THE FRONT NEAR 22N87W. N 20 KT WINDS ONLY COVER A COUPLE OF SMALL PORTIONS OF THE GULF...WITHIN 180 NM N AND W OF THE LOW AND N OF 29N E OF ABOUT 86W ASSOCIATED WITH A WEAK SURGE. A MUCH STRONGER SURGE OR REINFORCING COLD FRONT WILL INCREASE N WINDS TO 20-25 KT MON AND TUE...WITH 30 KT POSSIBLE NEAR THE YUCATAN CHANNEL. WAVE WATCH GUIDANCE IS FORECASTING SEAS TO 12 FT OVER THE S MIDDLE AND EAST WATERS IN N SWELL TUE...AND DECIDED TO FOLLOW SUIT IN THE FORECAST. WINDS AND SEAS WILL DIMINISH WED AND THU AS HIGH PRES N OF THE AREA WEAKENS AND LIFTS NE. CARIBBEAN AND TROPICAL N ATLC... N TO NE WINDS HAVE INCREASED TO 15-20 KT ACROSS THE FAR N WATERS OF THE TROPICAL N ATLC DUE TO A COLD FRONT BISECTING THE REGION. AN ASSOCIATED N SWELL TRAIN HAS ENTERED ELEVATING SEAS TO 10 FT ATTM...AND CONDITIONS WILL LIKELY BUILD A COUPLE OF MORE FT TONIGHT AND SUN. THIS N TO NE SWELL WILL ALSO SNEAK THROUGH THE CARIBBEAN ATLC PASSAGES THROUGH MON. NE TO E 15-20 KT TRADES ARE AFFECTING MUCH OF THE CENTRAL CARIBBEAN. THESE TRADES WILL WEAKEN AS A COLD FRONT ENTERS THE NW CARIBBEAN SUN NIGHT. N WINDS WILL INCREASE TO 20-30 KT BEHIND THE FRONT ELEVATING SEAS TO 8-12 FT. THE FRONT WILL LIKELY STALL FROM THE WINDWARD PASSAGE TO THE HONDURAS/NICARAGUA BORDER BY MID-WEEK. ATLANTIC... GALE WARNING...AMZ080...N OF 30N BETWEEN 74W AND 80W THROUGH 18 UTC TODAY. CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER CANGIALOSI. TROPICAL PREDICTION CENTER.