000 AGXX40 KNHC 241754 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 200 PM EDT MON OCT 24 2011 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... WINDS WILL INCREASE TO 15-20 KT OVER THE SE GULF TONIGHT AS THE PRESSURE GRADIENT BETWEEN HIGH PRES OVER THE SE U.S. AND TROPICAL STORM RINA IN THE NW CARIBBEAN TIGHTENS. AS THE AREA OF HIGH PRESSURE SHIFTS EASTWARD AND WEAKENS THU THE PRES GRADIENT IS EXPECTED TO WEAKEN WITH WINDS DECREASE OVER THE SE GULF. COLD FRONT IS FORECAST TO MOVE OFF THE TEXAS COAST LATE THU AND MOVE RAPIDLY MOVE ACROSS THE GULF WATERS THROUGH FRI AND E OF THE AREA SAT. NLY WINDS INCREASE TO 20-25 KT BEHIND THE FRONT. SW N ATLC S OF 31N W OF 55W... TROUGH FROM 31N74W TO CENTRAL CUBA. COLD FRONT WILL MOVE INTO THE NW PART OF THE AREA THIS EVENING AND MERGE WITH THE TROUGH FROM 31N70W TO CENTRAL CUBA TONIGHT. NLY WINDS INCREASE TO 15-20 KT W OF THE FRONT. THE FRONT IS EXPECTED TO MOVE E OF THE AREA LATE WED. HIGH PRES WILL BUILD IN THE WAKE OF THE FRONT WITH A SURFACE RIDGE OVER THE N PART OF THE AREA THU AND FRI. ANOTHER FRONT WILL MOVE OFF THE SE U.S. COAST INTO THE ATLC SAT, CARIBBEAN SEA AND TROPICAL N ATLC... TROPICAL STORM RINA CENTERED NEAR 17.1N82.9W AT 1500 UTC WITH MAXIMUM WINDS 40 KT GUSTS TO 50 KT. RINA WAS MOVING TOWARD THE NNW AT 5 KT. ESTIMATED MINIMUM CENTRAL PRES 100 MB. RINA FORECAST TO MOVE WEST NORTHWESTWARD AND INTENSIFY TO A HURRICANE NEAR 17.8N 84.8W TUE NIGHT AND APPROACH THE YUCATAN PENINSULA THU AND FRI THEN WEAKEN BACK TO A TROPICAL STORM AND TURN NE SAT. A TROUGH IN THE TROPICAL N ATLC WILL MOVE INTO THE E CARIBBEAN TODAY INTO THE CENTRAL CARIBBEAN TUE NIGHT THEN INTO THE SW CARIBBEAN LATE WED AND THU. WARNINGS... GULF OF MEXICO... .NONE. .CARIBBEAN SEA AND TROPICAL N ATLC... .AMZ082...HURRICANE WARNING N OF 16N W OF 82W. SW N ATLC... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER DGS