FNUS74 KLIX 181427 FWSLIX SPOT FORECAST FOR GRAND ISLE...NWS NATIONAL WEATHER SERVICE NEW ORLEANS LA 927 AM CDT SUN MAR 18 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...HIGH PRESSURE WILL REMAIN CENTERED OVER THE SOUTHEAST CONUS AND EASTERN GULF THROUGH TONIGHT. THIS HIGH WILL WEAKEN MONDAY AND TUESDAY...AS A STRONG LOW PRESSURE SYSTEM MOVES INTO THE SOUTHERN PLAINS. THIS LOW WILL PULL INTO THE MIDWEST BY THURSDAY...PUSHING A COLD FRONT INTO THE REGION WEDNESDAY NIGHT AND THURSDAY. ONSHORE WINDS WILL BE LIGHT TO MODERATE TODAY BUT ONSHORE WINDS WILL INCREASE TOMORROW AND COULD BECOME STRONG BY TUESDAY. THE PERSISTENT ONSHORE FLOW WILL LEAD TO TIDE RANGES REMAINING SMALL BUT RUNNING ABOUT 0.5 FT ABOVE NORMAL TODAY AND TOMORROW AND COULD BE AROUND 1 FT ABOVE NORMAL BY TUESDAY. .TODAY... TIME (CDT) 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........60 60 24 24 24 WEATHER COV.....PATCHY WEATHER TYPE....FOG NONE NONE NONE NONE TEMP............72 75 77 77 76 RH..............97 87 79 76 79 20 FT WIND......SE 9 SE 10 SE 10 SE 10 SE 10 20 FT WIND GUST.20 20 20 20 20 MIX HGT (FT)....3200 3200 4700 4700 4200 MIX HGT (M).....980 980 1430 1430 1280 TRANSPORT WIND..SE 17 SE 17 SE 16 SE 17 SE 17 TRAN WIND (M/S).SE 8 SE 8 SE 7 SE 8 SE 8 DISPERSION......23 35 31 31 27 CHC OF PCPN (%).10 10 10 10 10 SEAS............2 2 2 2 2 SEA STATE.......CHPY CHPY CHPY CHPY CHPY .TONIGHT... TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........24 33 33 33 64 64 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............75 73 71 70 68 67 RH..............79 79 84 87 93 97 20 FT WIND......SE 9 SE 9 SE 9 SE 10 SE 10 SE 9 20 FT WIND GUST.20 20 20 20 20 20 MIX HGT (FT)....4200 3700 3100 3100 2600 2100 MIX HGT (M).....1280 1130 940 940 790 640 TRANSPORT WIND..SE 17 SE 17 SE 20 SE 20 SE 17 SE 17 TRAN WIND (M/S).SE 8 SE 8 SE 9 SE 9 SE 8 SE 8 DISPERSION......27 27 34 21 18 11 CHC OF PCPN (%).10 10 10 10 10 10 SEAS............2 2 2 2 2 2 SEA STATE.......CHPY CHPY CHPY CHPY CHPY CHPY .MONDAY... TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........64 50 50 50 27 27 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............67 68 71 74 77 78 RH..............97 93 84 76 69 69 20 FT WIND......SE 8 SE 8 SE 9 SE 10 SE 10 SE 10 20 FT WIND GUST.15 15 20 20 20 20 MIX HGT (FT)....2100 1600 2000 2000 2400 2200 MIX HGT (M).....640 490 610 610 730 670 TRANSPORT WIND..SE 17 SE 21 SE 23 SE 23 SE 23 SE 23 TRAN WIND (M/S).SE 8 SE 9 SE 10 SE 10 SE 10 SE 10 DISPERSION......11 15 29 47 42 49 CHC OF PCPN (%).10 10 10 10 10 10 SEAS............2 3 3 3 4 4 SEA STATE.......CHPY CHPY CHPY CHPY ROUGH ROUGH TIDES BARATARIA PASS...GRAND ISLE TODAY HI 9 55 PM STAGE 1.1 MONDAY LO 6 37 AM STAGE 0.5 HI 11 17 PM STAGE 1.1 TUESDAY LO 6 53 AM STAGE 0.9 HI 2 13 PM STAGE 1.0 LO 3 45 PM STAGE 0.9 HI 11 55 PM STAGE 1.2 $$ FORECASTER...NWS LAKE CHARLES REQUESTED BY...KYLE JELLISON TYPE OF REQUEST...HAZMAT .TAG 20120318.GRAND.01/LIX