000 AGXX40 KNHC 241824 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 230 PM EDT TUE AUG 24 2010 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO LOW PRES 1009 MB CENTERED NEAR 31N85W HAS TROUGH EXTEND ACROSS THE FLORIDA PANHANDLE TO THE NW GULF. THIS TROUGH WILL DRIFT SLOWLY W THROUGH THU. ASIDE FROM THIS TROUGH...THE PRES PATTERN ACROSS THE GULF OF MEXICO IS VERY WEAK WITH MOSTLY LIGHT WINDS ACROSS MUCH OF THE AREA. BUOY AND CMAN OBSERVATIONS INDICATE 5-10 KT WINDS ACROSS MUCH OF THE GULF...AND THESE CONDITIONS SHOULD PERSIST THROUGH THU. WINDS WILL INCREASE TO 15 KT OVER THE SW GULF AS LOWER PRES IS FORECAST TO DEVELOP IN THE BAY OF CAMPECHE TIGHTENING THE PRESSURE GRADIENT LATE THU THROUGH SAT. SW N ATLC ATLC RIDGE WILL CONTINUE ALONG 27N THROUGH FRI BEFORE WEAKENING. WITH LOW PRES JUST OFF THE SE U.S. COAST...THE PRES GRADIENT HAS TIGHTENED...AND SW WINDS HAVE INCREASED TO 20 KT ACROSS THE NW PORTION OF THE AREA. THESE WINDS WILL REMAIN THROUGH WED AFTERNOON THEN DECREASE TO BELOW 20 KT AS THE LOW AND ASSOCIATED TROUGH MOVE TO THE NE AND THE RIDGE WEAKENS. OTHERWISE...A WEAK PRES PATTERN WILL PREVAIL ACROSS THE REMAINDER OF THE AREA WITH MODERATE WINDS THROUGH FRI. DANIELLE WILL MOVE OVER THE FAR E PART OF THE AREA...E OF 65W THU THROUGH SAT...WITH ASSOCIATED ELY SWELLS BUILDING OVER THE FAR E PORTION OF THE AREA. CARIBBEAN SEA AND TROPICAL N ATLC ELY TRADES OF 15-20 KT PREVAIL ACROSS THE CENTRAL CARIBBEAN. THESE CONDITIONS WILL CONTINUE THROUGH WED NIGHT THEN DECREASE THU AND FRI AS THE ATLC RIDGE WEAKENS AND THE PRES GRADIENT DECREASES. WINDS ARE EXPECTED TO INCREASE OVER THE NE PORTION OF TROPICAL N ATLC WED THROUGH FRI ALONG WITH BUILDING SEAS IN NE TO E SWELLS AS DANIELLE PASSES JUST E OF THE AREA. WINDS AND SEAS WILL DECREASE SAT. WARNINGS... SW N ATLC... .NONE. CARIBBEAN... .NONE. .GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER AL