000 AGXX40 KNHC 240709 MIMATS MARINE WEATHER DISCUSSION...UPDATED NWS NATIONAL HURRICANE CENTER MIAMI FL 230 AM EDT SAT SEP 24 2011 UPDATED WARNINGS AND THE CARIBBEAN AND TROPICAL N ATLC W OF 55W SECTIONS FOR TROPICAL STORM OPHELIA. 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... A WEAK PRES PATTERN ACROSS THE GULF THROUGH THE FORECAST PERIOD WITH WINDS GENERALLY LESS THAN 15 KT AND SEAS LESS THAN 3 FT. A WEAK COLD FRONT OVER THE CENTRAL GULF WILL CONTINUE MOVING E ACROSS THE GULF...REACHING FROM THE BIG BEND AREA TO 25N87W LATE TONIGHT WHERE IT WILL TALL AND DISSIPATE THROUGH SUN. THIS FRONT WILL RESULT IN A WIND SHIFT...BUT WILL ONLY BRING A SLIGHT INCREASE TO THE WINDS AND SEAS BEHIND IT. SW N ATLC S OF 31N W OF 65W... SE TO S WINDS HAVE INCREASED DUE TO A TIGHTER PRESSURE RESULTING FROM TROUGHING OVER THE EASTERN UNITED STATES. THIS FRESH SE TO S FLOW IS EXPECTED TO REMAIN THROUGH THE WEEKEND. WINDS AND SEAS ARE EXPECTED TO INCREASE LATE THIS WEEKEND OVER THE SE CORNER AS TROPICAL STORM OPHELIA MOVES CLOSER TO THE AREA. TROPICAL STORM FORCE WINDS ARE EXPECTED S OF 18N E OF 67W TUE AND WED. CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W... TROPICAL STORM OPHELIA IS NEAR 16.0N 54.5W AT 24/0300 UTC MOVING W AT 13 KT. MAXIMUM SUSTAINED WIND 45 GUSTS TO 55 KT. OPHELIA IS FORECAST TO MOVE ACROSS THE TROPICAL N ATLC STARTING THIS MORNING THROUGH MON WITH HIGHEST WINDS OF 45 KT GUSTS TO 55 KT. IT IS FORECAST TO REACH 18.2N 58.0W THIS EVENING...19.4N 59.7W SUN...20.3N 61.1W SUN EVENING...22.0N 63.5W MON EVENING MOVE W OF THE AREA BY LATE MON. AS A RESULT...WARNINGS HAVE BEEN POSTED ON THE FORECAST TRACK...OPHELIA WILL PASS NE OF THE LEEWARD ISLANDS WITH ONLY MINOR EFFECTS ON THE CARIBBEAN WATERS...MOSTLY THE NE CORNER. LITTLE CHANGE IN STRENGTH IS FORECAST. WARNINGS... GULF OF MEXICO... .NONE. CARIBBEAN SEA AND TROPICAL N ATLC... .TROPICAL STORM WARNING N OF 15N E OF 60W...AMZ087. SW N ATLC... TROPICAL STORM CONDITIONS EXPECTED S OF 28N E OF 67W TUE AND WED...AMZ080. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER AL/GR 000 AGXX40 KNHC 240709 RRA MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 230 AM EDT SAT SEP 24 2011 UPDATED WARNINGS AND THE CARIBBEAN AND TROPICAL N ATLC W OF 55W SECTIONS FOR TROPICAL STORM OPHELIA. 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... A WEAK PRES PATTERN ACROSS THE GULF THROUGH THE FORECAST PERIOD WITH WINDS GENERALLY LESS THAN 15 KT AND SEAS LESS THAN 3 FT. A WEAK COLD FRONT OVER THE CENTRAL GULF WILL CONTINUE MOVING E ACROSS THE GULF...REACHING FROM THE BIG BEND AREA TO 25N87W LATE TONIGHT WHERE IT WILL TALL AND DISSIPATE THROUGH SUN. THIS FRONT WILL RESULT IN A WIND SHIFT...BUT WILL ONLY BRING A SLIGHT INCREASE TO THE WINDS AND SEAS BEHIND IT. SW N ATLC S OF 31N W OF 65W... SE TO S WINDS HAVE INCREASED DUE TO A TIGHTER PRESSURE RESULTING FROM TROUGHING OVER THE EASTERN UNITED STATES. THIS FRESH SE TO S FLOW IS EXPECTED TO REMAIN THROUGH THE WEEKEND. WINDS AND SEAS ARE EXPECTED TO INCREASE LATE THIS WEEKEND OVER THE SE CORNER AS TROPICAL STORM OPHELIA MOVES CLOSER TO THE AREA. TROPICAL STORM FORCE WINDS ARE EXPECTED S OF 18N E OF 67W TUE AND WED. CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W... TROPICAL STORM OPHELIA IS NEAR 16.0N 54.5W AT 24/0300 UTC MOVING W AT 13 KT. MAXIMUM SUSTAINED WIND 45 GUSTS TO 55 KT. OPHELIA IS FORECAST TO MOVE ACROSS THE TROPICAL N ATLC STARTING THIS MORNING THROUGH MON WITH HIGHEST WINDS OF 45 KT GUSTS TO 55 KT. IT IS FORECAST TO REACH 18.2N 58.0W THIS EVENING...19.4N 59.7W SUN...20.3N 61.1W SUN EVENING...22.0N 63.5W MON EVENING MOVE W OF THE AREA BY LATE MON. AS A RESULT...WARNINGS HAVE BEEN POSTED ON THE FORECAST TRACK...OPHELIA WILL PASS NE OF THE LEEWARD ISLANDS WITH ONLY MINOR EFFECTS ON THE CARIBBEAN WATERS...MOSTLY THE NE CORNER. LITTLE CHANGE IN STRENGTH IS FORECAST. WARNINGS... GULF OF MEXICO... .NONE. CARIBBEAN SEA AND TROPICAL N ATLC... .TROPICAL STORM WARNING N OF 15N E OF 60W...AMZ087. SW N ATLC... TROPICAL STORM CONDITIONS EXPECTED S OF 28N E OF 67W TUE AND WED...AMZ080. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER AL/GR