000 AGXX40 KNHC 180551 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 200 AM EDT SUN JUL 18 2010 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. TROUGH IN THE WESTERN GULF OF MEXICO ALONG 95W WILL DRIFT TO THE W AND DISSIPATE ALONG THE TEXAS/MEXICO COASTS LATER TODAY. OTHERWISE A SURFACE RIDGE EXTENDS FROM THE FLORIDA PANHANDLE TO 25N90W. THE RIDGE WILL MOVE N TO ALONG 30N TONIGHT AND N OF THE AREA BY THE MIDDLE OF THE WEEK. TROPICAL WAVE MOVING THROUGH THE S OF THE AREA IN THE NW CARIBBEAN COMBINED WITH THE RIDGE TO THE N WILL ONCE AGAIN INCREASE THE ELY WINDS THROUGH THE SE CARIBBEAN BY TONIGHT AND INTO MON. ELY WINDS WILL CONTINUE AROUND 20 KT IN THE SE GULF THROUGH THU. WEAK TROUGH IN THE ATLC OVER THE SE BAHAMAS WILL DRIFT TO THE E AND MOVE INTO FLORIDA AND DISSIPATE MON. OTHERWISE HIGH PRES RIDGE IS ALONG 29N/30N. WITH THE RIDGE TO THE N AND LOWER PRES TO THE S IS PRODUCING 20-25 KT OVER THE SOUTHERN PORTION OF THE AREA S OF AROUND 25N. THE RIDGE SHIFTS N OF THE AREA BY THE MIDDLE OF THE WEEK AND THE STRONGER ELY WINDS ALSO SHIFT N TO 27N BY WED AND THU. ALSO THE NORTHERN END OF A TROPICAL WAVE MOVING THROUGH THE CARIBBEAN WILL MOVE THE THE SE BAHAMAS ON THU. THREE TROPICAL WAVE MOVING THROUGH THE CARIBBEAN AND TOPICAL ATLC ONE IN THE WESTERN CARIBBEAN ALONG 80N ANOTHER IN THE CENTRAL CARIBBEAN ALONG 70W AND A THIRD WAVE MOVING INTO THE TOPICAL ATLC ZONE ALONG 55W. THE WAVES ARE PRODUCING INCREASED SHOWER ACTIVITY ACROSS MUCH OF THE AREA. ELY WINDS TO 20 KT WITHIN AROUND 300 NM E OF THE CENTRAL CARIBBEAN WAVE TODAY AND TONIGHT THE DECREASE ON MON. OTHERWISE TRADES WILL BE LIGHTER THEN NORMAL. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER DGS