000 AGXX40 KNHC 120631 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 130 AM EST SAT JAN 12 2013 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... HIGH PRES WILL BUILD WESTWARD ACROSS THE EASTERN AND MIDDLE GULF FRI THROUGH SUN. ANOTHER COLD FRONT WILL MOVE OFF THE TEXAS COAST SUN...AND REACH FROM SE LOUISIANA TO 26N94W TO INLAND MEXICO NEAR 18N95W MON AND FROM THE WESTERN FLORIDA PANHANDLE TO THE SW GULF BY LATE TUE. NLY WINDS INCREASE TO 20-25 KT BEHIND THE FRONT LATE MON AND MON NIGHT. STRONG HIGH PRES BUILDS AND WED AND WINDS WILL INCREASE TO NEAR GALE FORCE. THE WINDS THEN DECREASE ON THU. HIGH PRES WILL BUILD IN BEHIND THE FRONT. SW N ATLC S OF 31N W OF 65W... HIGH PRES CENTERED ACROSS NW ATLC EXTENDS S TO THE N CARIBBEAN RESULTING IN A TIGHT PRES GRADIENT OVER S PORTIONS. THE HIGH WILL BEGIN TO WEAKEN THIS EVENING THROUGH SUN ALLOWING FOR WINDS TO DIMINISH OVER MUCH OF S PORTIONS. A WEAK COLD FRONT IS EXPECTED TO CLIP THE EASTERN PORTION LATE SAT INTO SUN. WEAK HIGH PRES WILL BE PRESENT OVER THE AREA MON AND TUE. LARGE LONG PERIOD N TO NE SWELLS WILL PROPAGATE ACROSS THE WATERS E OF 72W SUN...THEN SUBSIDE MON THROUGH WED. CARIBBEAN SEA AND TROPICAL N ATLC S OF 22N W OF 55W... STRONG HIGH PRES ACROSS NW ATLC EXTENDS S TO THE N CARIBBEAN AND WILL MAINTAIN FRESH TO STRONG TRADES ACROSS THE CENTRAL CARIBBEAN AND WINDWARD PASSAGE THROUGH MON...WHILE WINDS JUST BELOW GALE FORCE NEAR THE COAST OF COLOMBIA SLOWLY DIMINISH THROUGH SAT MORNING. OTHERWISE MODERATE TO FRESH TRADES WILL PREVAIL OVER THE NW CARIBBEAN AND TROPICAL N ATLC WATERS. LARGE LONG PERIOD N TO NE SWELL WILL BUILD ACROSS THE TROPICAL N ATLC AND THROUGH ATLC PASSAGES SAT AFTERNOON THROUGH LATE THEN SLOWLY SUBSIDE TUE THROUGH WED. NOTE...GRIDDED MARINE FORECAST IS AVAILABLE AT WWW.NHC.NOAA.GOV/TAFB/GRIDDED_MARINE WARNINGS... GULF OF MEXICO... .NONE. CARIBBEAN SEA AND TROPICAL N ATLC... .NONE. SW N ATLC... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT WWW.HURRICANES.GOV/MARINE $$ FORECASTER DGS