000 AGXX40 KNHC 100815 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 330 AM EDT SUN JUL 10 2011 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND TROPICAL N ATLC...AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... UPPER LEVEL CYCLONIC VORTEX MOVE W INTO TEXAS ALLOWING MID TO UPPER LEVEL RIDGE TO SUPPORT ATLC SURFACE HIGH PRES EXPANDING W INTO GULF. RIDGE BRING DRY STABLE AIR MASS WITH LIGHT AND VARIABLE WINDS TO NRN HALF OF GULF WHILE A MODERATE E BREEZE COVER THE SRN HALF. WEAK TROPICAL WAVE ENTER STRAITS OF FLORIDA LATE MON BRINGING SLIGHT INCREASE IN MOISTURE AND MECHANICAL UPLIFT INTO ERN GULF ZONE BUT RIDGE COULD PROVE OVERPOWERING AND NOT ALLOW SIGNIFICANT CONVECTION TO DEVELOP WHILE WAVE REMAINS IN ERN HALF OF BASIN. CONDITIONS EXPECTED TO BECOME MORE FAVORABLE FOR WAVE AS IT MOVES CLOSER TO WRN ZONES IN GULF AT END OF FORECAST PERIOD. SECOND TROPICAL WAVE NOW MOVING ACROSS CENTRAL CARIBBEAN EXPECTED TO ENTER YUCATAN PENINSULA LATE TUE AND EMERGE OVER SW GULF ZONE WED WHERE CONDITIONS COULD BE MORE SUPPORTIVE FOR EXTENSIVE CONVECTION...BUT THAT WOULD BE BEYOND PRESENT FORECAST PERIOD. CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W... TROPICAL WAVES ...ONE S OF CENTRAL CUBA AND ANOTHER S OF HISPANIOLA SQUEEZE GRADIENT WITH STRENGTHENING SW N ATLC HIGH PRES RIDGE TO WARRANT STRONG E TRADES ACROSS CENTRAL CARIBBEAN TODAY THROUGH TUE. NWW3 SOLUTIONS CALL FOR 12 FT SEAS BY LATE SUN...BUT IT HAS FALLEN SHORT FOR LAST FEW DAYS...SO FORECAST RAISES HEIGHTS TO 13-14 FT SUN THEN SUBSIDE TO NWW3 LEVEL THROUGH WED. EASTERNMOST TROPICAL WAVE GET SUPPORT OF UPPER LEVEL CYCLONE PRESENTLY AT 17N80W AND STRENGTHEN AS IT ENTERS WRN CARIBBEAN. SOUTHWEST NORTH ATLC... BUILDING ATLC RIDGE FORCES SURFACE TROUGH NORTHEASTWARD AS IT EXTENDS ITS INFLUENCE S AND W OVER FLORIDA AND INTO GULF OF MEXICO. LIGHT W BREEZE EXPECTED IN N OF 27N WHILE MODERATE E-SE BREEZE PROMPTS SEAS TO 6-7 FT ALONG GREATER ANTILLES ISLAND CHAIN. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER WALLY BARNES 000 AGXX40 KNHC 100815 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 330 AM EDT SUN JUL 10 2011 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND TROPICAL N ATLC...AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... UPPER LEVEL CYCLONIC VORTEX MOVE W INTO TEXAS ALLOWING MID TO UPPER LEVEL RIDGE TO SUPPORT ATLC SURFACE HIGH PRES EXPANDING W INTO GULF. RIDGE BRING DRY STABLE AIR MASS WITH LIGHT AND VARIABLE WINDS TO NRN HALF OF GULF WHILE A MODERATE E BREEZE COVER THE SRN HALF. WEAK TROPICAL WAVE ENTER STRAITS OF FLORIDA LATE MON BRINGING SLIGHT INCREASE IN MOISTURE AND MECHANICAL UPLIFT INTO ERN GULF ZONE BUT RIDGE COULD PROVE OVERPOWERING AND NOT ALLOW SIGNIFICANT CONVECTION TO DEVELOP WHILE WAVE REMAINS IN ERN HALF OF BASIN. CONDITIONS EXPECTED TO BECOME MORE FAVORABLE FOR WAVE AS IT MOVES CLOSER TO WRN ZONES IN GULF AT END OF FORECAST PERIOD. SECOND TROPICAL WAVE NOW MOVING ACROSS CENTRAL CARIBBEAN EXPECTED TO ENTER YUCATAN PENINSULA LATE TUE AND EMERGE OVER SW GULF ZONE WED WHERE CONDITIONS COULD BE MORE SUPPORTIVE FOR EXTENSIVE CONVECTION...BUT THAT WOULD BE BEYOND PRESENT FORECAST PERIOD. CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W... TROPICAL WAVES ...ONE S OF CENTRAL CUBA AND ANOTHER S OF HISPANIOLA SQUEEZE GRADIENT WITH STRENGTHENING SW N ATLC HIGH PRES RIDGE TO WARRANT STRONG E TRADES ACROSS CENTRAL CARIBBEAN TODAY THROUGH TUE. NWW3 SOLUTIONS CALL FOR 12 FT SEAS BY LATE SUN...BUT IT HAS FALLEN SHORT FOR LAST FEW DAYS...SO FORECAST RAISES HEIGHTS TO 13-14 FT SUN THEN SUBSIDE TO NWW3 LEVEL THROUGH WED. EASTERNMOST TROPICAL WAVE GET SUPPORT OF UPPER LEVEL CYCLONE PRESENTLY AT 17N80W AND STRENGTHEN AS IT ENTERS WRN CARIBBEAN. SOUTHWEST NORTH ATLC... BUILDING ATLC RIDGE FORCES SURFACE TROUGH NORTHEASTWARD AS IT EXTENDS ITS INFLUENCE S AND W OVER FLORIDA AND INTO GULF OF MEXICO. LIGHT W BREEZE EXPECTED IN N OF 27N WHILE MODERATE E-SE BREEZE PROMPTS SEAS TO 6-7 FT ALONG GREATER ANTILLES ISLAND CHAIN. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER WALLY BARNES