000 AGXX40 KNHC 161802 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 200 PM EDT WED JUN 16 2010 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND TROPICAL N ATLC FROM 07N TO 22N BETWEEN 55W AND 65W...AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W GULF OF MEXICO... 1020 MB HIGH PRES CENTERED NEAR 27N87W IS EXPECTED TO MEANDER THROUGH THE PERIOD OCCASIONALLY BEING ABSORBED IN AN ATLC RIDGE BUILDING W-NW ACROSS FLORIDA TO THE N CENTRAL GULF. OTHERWISE SEVERAL WEAK TROUGHS WILL MOVE SE OVER SOUTHERN GEORGIA/NORTHERN FLORIDA OCCASIONALLY DIPPING S INTO THE FAR NE GULF WATERS RESULTING IN A WEAK HIGH CENTER RE-DEVELOPING IN THE N CENTRAL GULF...AND BEING SEPARATED FROM THE ATLC RIDGE. A TROUGH IN THE SW GULF AND BAY OF CAMPECHE SHOULD MOVE W OF AREA BY EARLY TONIGHT WHILE ITS UPPER SUPPORT ALSO WEAKENS. THE NORTHERN EXTENSION OF ANOTHER WAVE WILL PASS THROUGH THE BAY OF CAMPECHE TONIGHT THROUGH THU NIGHT MAINTAINING ELY FLOW AT 15-20 KT. AFTER WAVE MOVES W OF AREA EXPECT THE EVENING NE-E 15-20 KT WINDS TO RESUME WITHIN 120 NM OF THE COAST OF THE YUCATAN PENINSULA. CARIBBEAN SEA AND TROPICAL N ATLC... E-SE WINDS 15-20 KT IN GULF OF HONDURAS EXPECTED TO PERSIST THROUGH FRI. EASTERLY TRADES OF 15-20 KT ARE NOTED ACROSS THE WATERS S OF 17N W OF 67W AND WILL BE REINFORCED BY A TROPICAL WAVE NOW ENTERING THE E CARIBBEAN AND EXPECTED TO REACH ALONG 85W LATE SUN NIGHT. 1011 MB LOW PRES NEAR 15N51W THIS AFTERNOON WILL OPEN INTO A NE-SW TROUGH WHICH WILL CONTINUE NW THROUGH THE TROPICAL ATLC ZONE PASSING THROUGH THE LEEWARDS THU NIGHT THROUGH FRI NIGHT. EXPECT A NE-SE WIND SHIFT AS TROUGH PASSES WITH ELY TRADES REMAINING IN THE 15-20 KT RANGE E OF THE TROUGH. THIS SHOULD DRIVE E SWELLS TO THE EXPOSED ATLC PASSAGES BY SUNSET SAT. SW N ATLC... A FRONTAL TROUGH...ACCOMPANIED BY SHOWERS AND TSTMS...IS STALLING ALONG 30N E OF 75W AS EXPECTED WITH LIGHT AND VARIABLE WINDS EITHER SIDE OF THE BOUNDARY. THIS FRONT SHOULD DISSIPATE OVER THE NEXT FEW DAYS. AN ATLC RIDGE WILL LIE ALONG 27-28N THROUGH FRI THEN SHIFT N TO ALONG 29N SAT. BY THEN A REMNANT TROUGH WILL MOVE NW INTO THE FAR SE WATERS INCREASING THE ELY FLOW TO 15-20 KT WITH E SWELLS DRIVING UP SEAS HEIGHTS TO 9 FT E OF THE SOUTHERN BAHAMAS. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER NELSON