000 AGXX40 KNHC 151747 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 145 PM EDT TUE JUN 15 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... 1017 MB HIGH PRES CENTERED NEAR 28N87W IS EXPECTED TO MEANDER THROUGH THE PERIOD OCCASIONALLY BEING ABSORBED IN AN ATLC RIDGE BUILDING WNW ACROSS FL TO THE N CENTRAL GULF. IN ADDITIONALLY... A WEAK LOW LEVEL TROUGH OVER SOUTHERN GA WILL OCCASIONALLY DIP A LITTLE FURTHER S OVER THE NE GULF WATERS RESULTING IN A WEAK HIGH CENTER RE-DEVELOPING AND BEING SEPARATED FROM THE ATLC RIDGE. THE NORTHERN EXTENSION OF A TROPICAL WAVE SEPARATED FROM ITS PACIFIC SEGMENT AND CONTINUES OVER THE BAY OF CAMPECHE INTERACTING WITH AN UPPER CYCLONE NEAR 25N96W...WITH CONVECTION FLARING ALONG 93W OVER THE SW GULF. EXPECT THE UPPER LOW AND THE LOW LEVEL TROUGH TO BOTH SHIFT W OF THE AREA LATE TONIGHT. ANOTHER WAVE OVER THE NW CARIBBEAN ATTM WILL MOVE W THROUGH THE BAY OF CAMPECHE FROM SUNRISE WED TO SUNSET THU THUS I WILL CONTINUE MENTION OF 15-20 KT AND TSTMS E BAY OF CAMPECHE THROUGH THU. THEN WILL RE-INTRODUCE THE EVENING NE-E 15-20 KT ENHANCEMENT ALONG NW COAST OF THE YUCATAN FOR FRI AND SAT. CARIBBEAN SEA AND TROPICAL N ATLC... THE NORTHERN EXTENSION OF TROPICAL WAVE IS PASSING THROUGH WESTERN GULF OF HONDURAS EARLY THIS AFTERNOON WITH CONVECTION JUST STARING TO FLARE AND ESE WINDS AT 15-20 BUT OCNL 25 KT IN SURGES THROUGH THU. ELY TRADES SEEMED TO HAVE INCREASED OVER THE ENTIRE AREA E OF 70W WITH TCU CONTINUING TO FLARE ALONG THE TROPICAL WAVE...THAT IS BECOMING MORE POSITIVE TILT WITH TIME... AS IT MOVES THROUGH THE WATERS E OF THE ANTILLES. THE WAVES FORWARD SPEED SEEMS TO BE INCREASING SO I DROPPED PREVIOUS WAVE AXIS PSN FORECASTS IN NT3 SYNOPSIS AND USED MORE GENERAL TERMINOLOGY OF WAVE MOVING THROUGH E CARIBBEAN TUE AND THE CENTRAL CARIBBEAN WED AND THU REACHING THE W PART ON FRI. LOW PRES NEAR 12.5N43.5W THIS MORNING STILL HAS A SMALL WINDOW FOR CYCLONE DEVELOPMENT PER NHC...THUS WILL CONTINUE FORECAST LOW POSITIONS THROUGH 24 HRS ON GRAPHICS...THEREAFTER WEAKEN LOW TO OPEN TROUGH AND MOVE IT WNW TO THE NT3 E BOUNDARY AT 18N55W FRI AND TO 20N60W ON SAT...AND EXITING THE NW CORNER OF TROPICAL ZONE ON SUN WITH MENTION OF TSTMS AND A 15-20 KT WIND SHIFT THROUGH THE PERIOD. SW N ATLC... REMNANTS OF BROAD FRONTAL TROUGH EXTEND ALONG 27N E OF 60W WITH E TO W RIDGE EXTENDING FROM 30N55W TO 27N80W. EXPECT THE RIDGE TO ORIENTATE ITSELF E-W ALONG 25N EARLY TONIGHT THROUGH THU NIGHT...THEN SHIFT N TO ALONG 27N FRI...AND ALONG 29N SAT INTO SUN. BY THEN...THE REMNANT TROUGH OF THE ATLC TROPICAL LOW CURRENTLY NEAR 13N44W WILL MOVE NW INTO WATERS N OF PUERTO RICO FRI ACCOMPANIED BY INCREASE IN ELY WINDS TO 20 KT AND ALSO LIKELY FLARING TSTMS. GUIDANCE STILL INDICATES THAT A SERIES OF WEAK COLD FRONTS OR TROUGHS WILL PASS FROM W TO E OVER WATERS N OF 30N...ONE FRONT STALLING BRIEFLY WED MORNING...BUT ONLY RESULTING IN A 30 DEG S-SW WIND SHIFT AND AT 10-15 KT MAX. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER NELSON