000 AGXX40 KNHC 210617 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 230 AM EDT FRI OCT 21 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... HIGH PRESSURE OVER THE SE UNITED STATES WILL MAINTAIN ANTICYCLONIC FLOW AND A WEAK PRESSURE GRADIENT OVER MUCH OF THE GULF THROUGH THE WEEKEND. THIS WILL MAINTAIN LIGHT TO MODERATE WINDS WITH SEAS 3 TO 5 FT DURING THIS TIME OVER MUCH OF THE GULF. WINDS ARE EXPECTED TO INCREASE OVER THE SE GULF EARLY NEXT WEEK AS THE PRESSURE GRADIENT TIGHTENS BETWEEN LOW PRESSURE CENTER EMBEDDED IN THE MONSOON TROUGH IN THE WEST CARIBBEAN AND HIGH PRESSURE OVER THE SE UNITED STATES. SW N ATLC S OF 31N W OF 55W... WEAKENING STATIONARY FRONT FROM 31N70W TO EASTERN CUBA WILL DISSIPATE OVER THE NEXT 24 HOURS. ONCE THE FRONT DISSIPATES...A TROUGH WILL REMAIN OVER THE WATERS THROUGH SUN. A SECOND COLD FRONT WILL MOVE INTO THE NW PART OF THE AREA SUN NIGHT...THEN MOVE ACROSS THE N HALF OF THE AREA THROUGH TUE...THEN E OF THE AREA BY TUE NIGHT. HIGH PRESSURE WILL BUILD IN THE WAKE OF THE FRONT. CARIBBEAN SEA AND TROPICAL N ATLC... LOW PRES EMBEDDED IN THE MONSOON TROUGH IN THE SW CARIBBEAN IS FORECAST TO GRADUALLY MOVE WESTWARD WHILE DEEPENING THROUGH THE WEEKEND. A TROUGH WILL MOVE INTO THE TROPICAL N ATLC THIS WEEKEND...AND INTO THE E CARIBBEAN SUN NIGHT...AND THE CENTRAL CARIBBEAN TUE NIGHT. WARNINGS... GULF OF MEXICO... .NONE. .CARIBBEAN SEA AND TROPICAL N ATLC... .NONE. SW N ATLC... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER AL