FNUS74 KLIX 191733 FWSLIX Spot Forecast for Grand Isle Block 59 Release INLAND...NOAA National Weather Service New Orleans LA 1233 PM CDT Tue May 19 2026 If conditions become unrepresentative, contact the National Weather Service. We can be reached at (985) 649-0357 if you have questions or concerns with this forecast. .DISCUSSION... Fire weather concerns continue to be limited as moisture continues to move back into the area leading to gradually increasing rain chances. Showers and thunderstorm activity will be lowest today, becoming more area-wide Wednesday through the weekend. Over the next 7 days forecast rainfall totals vary from 4 to 7 inches across northwestern areas to less than an inch for extreme southeast Louisiana and much of the Mississippi coast. For most of the area, for most of the week, minimum humidities are likely to be 60 percent or higher every day. .REST OF TODAY... Sky/weather.........Mostly sunny (40-50 percent). Chance of pcpn......0 percent. Max temperature.....Around 82. Min humidity........88 percent. Max apparent temp...89. Surface winds (kts).Southeast winds 14 to 15 knots. Transport winds.....Southeast 17 to 18 mph. Transport winds m/s.Southeast around 8 meters/second. Wave height.........1 foot. Wave period.........2 SECONDS. CEILING (KFT).......2.7 decreasing to 1.3 late in the afternoon, then increasing to 2.2 late in the afternoon. Wind (20 ft)........Southeast winds 15 to 16 mph. TIME (CDT) 2PM 3PM 4PM 5PM Sky (%).........48 40 50 38 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 0 Temp............81 81 81 81 RH..............91 88 88 88 Aparnt tmp (F)..89 88 88 88 20 FT wind dir..ESE ESE ESE ESE 20 FT wind spd..16 16 16 17 20 FT wind gust.20 20 20 20 SFC wnd dir.....ESE ESE ESE ESE SFC wnd spd kts.14 14 14 15 SFC wnd gst.....20 20 20 20 Transp wind dir.SE SE SE SE Transp wind spd.17 17 17 18 Trans wind dir..SE SE SE SE Trans spd (m/s).8 8 8 8 Wave period (s).2 2 2 2 Wave height (ft)1 1 1 1 Ceiling (kft)...2.7 1.3 1.5 2.2 .TONIGHT... Sky/weather.........Partly cloudy (35-45 percent) then becoming mostly cloudy (60-70 percent) then becoming partly cloudy (40-50 percent) then becoming mostly cloudy (55-65 percent) then becoming partly cloudy (35-45 percent) then becoming mostly cloudy (50-60 percent). Chance of pcpn......10 percent. Min temperature.....Around 80. Max humidity........88 percent. Max apparent temp...90. Surface winds (kts).South winds 9 to 14 knots. Transport winds.....Southeast 12 to 20 mph decreasing to around 10 mph early in the morning. Transport winds m/s.Southeast 5 to 9 meters/second decreasing to around 4 meters/second early in the morning. Wave height.........1 foot. Wave period.........2 SECONDS. CEILING (KFT).......2.7 increasing to 3.5 early in the evening, then decreasing to 2.7 early in the evening decreasing to 1.3 overnight increasing to 3.5 increasing to 25 after 3 am decreasing to 1.3. Wind (20 ft)........Southeast winds 9 to 15 mph. TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........36 45 40 57 63 69 66 47 60 59 42 57 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 10 10 10 10 10 10 0 10 10 10 10 Temp............81 81 82 81 81 82 81 81 82 81 81 81 RH..............88 88 85 88 88 82 88 88 82 88 85 85 Aparnt tmp (F)..88 88 90 88 88 89 88 88 89 88 87 87 20 FT wind dir..ESE ESE SE SE SE SE SE SSE SSE SSE SSE SSE 20 FT wind spd..16 16 16 16 16 15 14 13 13 12 10 10 20 FT wind gust.20 20 20 18 18 17 16 15 15 14 13 12 SFC wnd dir.....ESE ESE SE SE SE SE SE SSE SSE SSE SSE SSE SFC wnd spd kts.14 14 14 14 14 13 12 11 11 10 9 9 SFC wnd gst.....20 20 20 18 18 17 16 15 15 14 13 12 Transp wind dir.SE SE SE SE SE SE SSE SSE SSE SSE SE SE Transp wind spd.20 20 18 17 16 15 15 14 13 12 12 10 Trans wind dir..SE SE SE SE SE SE SSE SSE SSE SSE SE SE Trans spd (m/s).9 9 8 8 7 7 7 6 6 5 5 4 Wave period (s).2 2 2 2 2 2 2 2 2 2 2 2 Wave height (ft)1 1 1 1 1 1 1 1 1 1 1 1 Ceiling (kft)...2.7 3.5 2.7 2.7 2.7 2.7 1.5 1.3 3.5 25 1.3 1.3 .WEDNESDAY... Sky/weather.........Mostly sunny (45-55 percent). Slight chance of showers and thunderstorms in the afternoon. Chance of pcpn......20 percent. Max temperature.....Around 82. Min humidity........82 percent. Max apparent temp...87. Surface winds (kts).South winds 8 to 13 knots. Transport winds.....Southeast 12 to 15 mph. Transport winds m/s.Southeast 5 to 7 meters/second. Wave height.........1 foot. Wave period.........2 SECONDS. CEILING (KFT).......1.3 increasing to 4.5 early in the morning, then decreasing to 1.3 late in the morning increasing to 2.2 late in the morning decreasing to 1.3. Wind (20 ft)........South winds 8 to 14 mph. Gusty and erratic winds expected near thunderstorms in the afternoon. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........54 63 51 57 40 39 53 43 43 35 50 40 Weather cov..... SCH SCH SCH SCH SCH Weather type.... RW RW RW RW RW Tstm cov........ SCH SCH SCH SCH SCH Chc of pcpn (%).10 10 10 10 10 10 10 20 20 20 20 20 Temp............81 81 81 80 81 81 80 80 81 81 80 81 RH..............85 85 82 85 82 82 85 85 85 82 85 82 Aparnt tmp (F)..87 87 87 85 87 87 85 85 87 87 85 87 20 FT wind dir..SSE SSE SSE SSE SSE SSE SSE SSE SSE S S SSE 20 FT wind spd..9 9 10 12 14 15 15 12 13 13 12 12 20 FT wind gust.12 12 13 14 16 17 17 15 14 15 13 14 SFC wnd dir.....SSE SSE SSE SSE SSE SSE SSE SSE SSE S S SSE SFC wnd spd kts.8 8 9 10 12 13 13 10 11 11 10 10 SFC wnd gst.....12 12 13 14 16 17 17 15 14 15 13 14 Transp wind dir.SE SE SE SSE SSE SSE SSE SSE SSE SSE S SSE Transp wind spd.12 13 14 14 14 15 15 14 13 13 13 12 Trans wind dir..SE SE SE SSE SSE SSE SSE SSE SSE SSE S SSE Trans spd (m/s).5 6 6 6 6 7 7 6 6 6 6 5 Wave period (s).2 2 2 2 2 2 2 2 2 2 2 2 Wave height (ft)1 1 1 1 1 1 1 1 1 1 1 1 Ceiling (kft)...1.3 1.5 4.5 1.3 1.3 2.2 1.3 1.3 1.3 1.3 1.3 1.3 $$ Forecaster...BANNAN Requested by...Brandi Todd Type of request...HAZMAT .TAG 2613995.1/LIX .DELDT 05/19/26 .FormatterVersion 2.0.0 .EMAIL demaskey@cleangulfassoc.com,elyons@ampol.net,rlozada@responsegroup.com,rcdauterive@loopllc.com,vcarreiro@responsegroupinc.com,peter.lebel@noaa.gov,Brandi.Todd@noaa.gov,sr-lix.forecasters@noaa.gov,nwcopeland@loopllc.com,jsilva@responsegroupinc.com,apardo@responsegroupinc.com,jhellickson@responsegroupinc.com