000 AGXX40 KNHC 210623 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 200 AM EDT SAT AUG 21 2010 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. TROPICAL WAVE MOVING THROUGH THE SW GULF OF MEXICO ALONG 95W. ELY WINDS 20 KT ARE W OF THE WAVE TO 90W. AS THE WAVE MOVES W INLAND OVER MEXICO ON SUN THE WINDS WILL DECREASE TO 10-15 KT. OTHERWISE WEAK RIDGE ACROSS THE GULF ALONG 26N/27N. THE RIDGE WEAKENS AND MOVES S AS A TROUGH MOVES INTO THE FAR N GULF MON. THE TROUGH WILL LINGER THROUGH WED...THE WINDS WILL BE LIGHT WITH THE TROUGH HOWEVER IT WILL INCREASE THE CHANCE OF SHOWERS AND TSTMS. ATLC TROUGH FROM 31N68W TO 26N70W WILL DISSIPATE TONIGHT. A TROPICAL WAVE OVER THE SE PORTION OF THE AREA WILL MOVE W 15 KT AND INTO THE STRAITS OF FLORIDA SUN NIGHT. WINDS 1O-15 KT E OF THE TROPICAL WAVE WITH 5-10 KT WINDS ELSEWHERE. SW WINDS INCREASE TO 15 KT OVER THE NW PORTION OF THE AREA MON AS A LOW PRES MOVES THROUGH THE MID ATLC COAST THIGHTENS THE PRES GRADIENT TIGHTENS BETWEEN THE LOW AND THE ATLC RIDGE. CARIBBEAN TRADES LIGHTER THEN NORMAL ACROSS MOST OF THE CARIBBEAN THE ONLY EXCEPTION BEING OVER THE NW CARIBBEAN W OF 85W WHERE WINDS ARE 20 KT. THESE WINDS WILL GRADUALLY DECREASE TO BELOW 20 KT BY MON. THE ATLC RIDGE STRENGTHENS SOME COMBINED WITH ANOTHER APPROACHING TROPICAL WAVE INCREASES THE TRADES TO 20 KT ACROSS THE CENTRAL CARIBBEAN LATE SUN THROUGH THE MIDDLE OF THE WEEK. WARNINGS... SW N ATLC... .NONE. CARIBBEAN... .NONE. .GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER DGS