Spot Forecast
Issued by NWS New Orleans/Baton Rouge, LA
Issued by NWS New Orleans/Baton Rouge, LA
771
FNUS74 KLIX 050831
FWSLIX
Spot Forecast for Grand Isle Block 59 Release INLAND...NOAA
National Weather Service New Orleans LA
331 AM CDT Sun Apr 5 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...
Minimum RH values will remain in excess of 60 percent until a
cold front moves through today. Drier air moves in to start the
work week where lowest humidities could fall to 35 to 45 percent
north of I10. Areas south of Interstate 10 will see lowest
humidities 40 to 50 percent on Monday. Showers and thunderstorms
are expected to end today. A good wetting rain with total rain
amounts of 1 to 2 inches is expected once the rain ends today.
Light fog is possible this morning, but no fog is expected Monday
morning.
.REST OF TONIGHT...
Sky/weather.........Mostly cloudy (70-80 percent). Showers likely
and chance of thunderstorms.
Chance of pcpn......60 percent.
Min temperature.....Around 71.
Max humidity........90 percent.
Max apparent temp...74.
Surface winds (kts).Southwest winds around 5 knots.
Transport winds.....Southwest around 7 mph.
Transport winds m/s.Southwest around 3 meters/second.
Wave height.........Less than 1 foot.
Wave period.........1 SECONDS.
CEILING (KFT).......4.5.
Wind (20 ft)........Southwest winds around 6 mph. Gusty and erratic
winds expected near thunderstorms.
TIME (CDT) 5AM
Sky (%).........74
Weather cov.....LKY
Weather type....RW
Tstm cov........CHC
Chc of pcpn (%).60
Temp............74
RH..............90
Aparnt tmp (F)..74
20 FT wind dir..SW
20 FT wind spd..6
20 FT wind gust.8
SFC wnd dir.....SW
SFC wnd spd kts.5
SFC wnd gst.....8
Transp wind dir.WSW
Transp wind spd.7
Trans wind dir..WSW
Trans spd (m/s).3
Wave period (s).1
Wave height (ft)0
Ceiling (kft)...4.5
.TODAY...
Sky/weather.........Mostly cloudy (75-85 percent). Showers in the
morning. Chance of thunderstorms through the
day. Showers likely in the afternoon.
Chance of pcpn......90 percent.
Max temperature.....Around 74.
Min humidity........81 percent.
Max apparent temp...73.
Surface winds (kts).West winds 5 to 6 knots shifting to the north 7
to 15 knots in the late morning and afternoon.
Transport winds.....West 6 to 8 mph shifting to the north 9 to 18
mph in the late morning and afternoon.
Transport winds m/s.West around 3 meters/second increasing to 3 to
4 meters/second early in the morning, then
shifting to the north 4 to 8 meters/second in
the late morning and afternoon.
Wave height.........1 foot.
Wave period.........2 SECONDS.
CEILING (KFT).......0.9 decreasing to 0.5 early in the morning,
then increasing to 0.6 late in the morning
increasing to 0.9 late in the morning
increasing to 1.1.
Wind (20 ft)........West winds around 6 mph shifting to the north 7
to 16 mph in the late morning and afternoon.
Gusty and erratic winds expected near
thunderstorms.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........79 83 81 81 78 73 80 78 84 84 91 91
Weather cov.....LKY LKY DEF DEF LKY CHC CHC LKY LKY LKY LKY LKY
Weather type....RW RW RW RW RW RW RW RW RW RW RW RW
Tstm cov........CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
Chc of pcpn (%).70 70 90 80 70 50 50 60 70 70 70 70
Temp............73 73 73 71 72 71 72 71 72 72 70 70
RH..............90 90 90 97 90 93 87 90 84 81 84 81
Aparnt tmp (F)..73 73 73 71 72 71 72 71 72 72 70 70
20 FT wind dir..WSW W WNW NNW N N N N N N NNE NNE
20 FT wind spd..6 6 7 8 9 12 12 13 14 15 16 17
20 FT wind gust.8 8 9 10 12 13 14 14 16 17 18 20
SFC wnd dir.....WSW W WNW NNW N N N N N N NNE NNE
SFC wnd spd kts.5 5 6 7 8 10 10 11 12 13 14 15
SFC wnd gst.....8 8 9 10 12 13 14 14 16 17 18 20
Transp wind dir.WSW W WNW WNW NNW N N N N N N NNE
Transp wind spd.6 6 7 8 9 12 13 14 16 17 18 18
Trans wind dir..WSW W WNW WNW NNW N N N N N N NNE
Trans spd (m/s).3 3 3 4 4 5 6 6 7 8 8 8
Wave period (s).1 1 1 1 1 1 2 2 2 2 2 2
Wave height (ft)0 0 0 0 0 0 1 1 1 1 1 1
Ceiling (kft)...0.9 0.5 0.5 0.6 0.9 1.1 1.3 1.3 1.3 1.3 1.3 1.3
.TONIGHT...
Sky/weather.........Cloudy (85-95 percent). Showers likely and
chance of thunderstorms in the evening, then
chance of showers overnight.
Chance of pcpn......60 percent.
Min temperature.....Around 62.
Max humidity........84 percent.
Max apparent temp...70.
Surface winds (kts).Northeast winds 16 to 22 knots.
Transport winds.....Northeast 20 to 25 mph.
Transport winds m/s.Northeast 9 to 11 meters/second.
Wave height.........1 foot.
Wave period.........2 SECONDS.
CEILING (KFT).......1.1 increasing to 1.8 late in the evening, then
increasing to 3.5 late in the evening
decreasing to 2.7 overnight.
Wind (20 ft)........Northeast winds 17 to 23 mph. Gusty and erratic
winds expected near thunderstorms early in the
evening.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........87 90 90 90 90 85 90 94 94 96 92 94
Weather cov.....LKY CHC CHC CHC SCH CHC CHC CHC CHC CHC
Weather type....RW RW RW RW RW RW RW RW RW RW
Tstm cov........CHC SCH SCH SCH
Chc of pcpn (%).60 50 30 30 10 10 20 30 30 40 40 50
Temp............70 68 69 69 69 69 68 67 67 66 65 64
RH..............81 84 81 78 76 73 73 73 70 70 73 73
Aparnt tmp (F)..70 68 69 69 69 69 68 67 67 66 65 64
20 FT wind dir..NNE NNE NNE NNE NNE NNE NNE NNE NNE NNE NNE NE
20 FT wind spd..18 20 21 22 22 23 23 23 24 24 24 25
20 FT wind gust.21 22 24 25 25 25 25 25 26 28 28 28
SFC wnd dir.....NNE NNE NNE NNE NNE NNE NNE NNE NNE NNE NNE NE
SFC wnd spd kts.16 17 18 19 19 20 20 20 21 21 21 22
SFC wnd gst.....21 22 24 25 25 25 25 25 26 28 28 28
Transp wind dir.NNE NNE NNE NNE NE NNE NNE NE NE NE NE NE
Transp wind spd.20 20 21 23 23 23 23 23 24 24 24 25
Trans wind dir..NNE NNE NNE NNE NE NNE NNE NE NE NE NE NE
Trans spd (m/s).9 9 9 10 10 10 10 10 11 11 11 11
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 1.3 1.1 1.3 1.8 3.5 3.5 3.5 2.7 2.7 2.7 2.7
.MONDAY...
Sky/weather.........Mostly cloudy (70-80 percent). Chance of
showers in the morning, then slight chance of
showers in the afternoon.
Chance of pcpn......40 percent.
Max temperature.....Around 67.
Min humidity........56 percent.
Max apparent temp...67.
Surface winds (kts).Northeast winds 17 to 22 knots.
Transport winds.....Northeast 20 to 25 mph.
Transport winds m/s.Northeast 9 to 11 meters/second.
Wave height.........1 foot.
Wave period.........2 SECONDS.
CEILING (KFT).......3.5 decreasing to 1.3 early in the morning,
then increasing to 1.8 late in the morning
increasing to 4.0 late in the morning
increasing to 6.3 increasing to 8.5 early in
the afternoon increasing to 11.
Wind (20 ft)........Northeast winds 17 to 23 mph.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........94 93 88 88 88 88 87 87 79 70 62 60
Weather cov.....CHC CHC CHC CHC CHC CHC CHC SCH SCH SCH SCH SCH
Weather type....RW RW RW RW RW RW RW RW RW RW RW RW
Tstm cov........
Chc of pcpn (%).40 40 40 40 40 40 40 20 20 20 20 20
Temp............64 63 62 62 62 63 63 64 65 66 67 67
RH..............73 75 78 78 75 70 70 65 63 61 59 56
Aparnt tmp (F)..64 63 62 62 62 63 63 64 65 66 67 67
20 FT wind dir..NE NE NE NE NE NE NE NE NE NE NE NE
20 FT wind spd..25 24 25 24 23 23 22 22 21 21 20 20
20 FT wind gust.28 28 28 28 26 26 25 25 24 23 23 22
SFC wnd dir.....NE NE NE NE NE NE NE NE NE NE NE NE
SFC wnd spd kts.22 21 22 21 20 20 19 19 18 18 17 17
SFC wnd gst.....28 28 28 28 26 26 25 25 24 23 23 22
Transp wind dir.NE NE NE NE NE NE NE NE NE NE NE NE
Transp wind spd.25 24 25 24 23 23 22 22 21 21 20 20
Trans wind dir..NE NE NE NE NE NE NE NE NE NE NE NE
Trans spd (m/s).11 11 11 11 10 10 10 10 9 9 9 9
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)...3.5 1.5 1.3 1.8 1.8 4.0 6.3 8.5 11 11 11
$$
Forecaster...EFFERSON
Requested by...Brandi Todd
Type of request...HAZMAT
.TAG 2608971.2/LIX
.DELDT 04/05/26
.FormatterVersion 2.0.0
.EMAIL nwcopeland@loopllc.com,sr-lix.forecasters@noaa.gov,tcshaw@loopllc.com,elyons@ampol.net,vcarreiro@responsegroupinc.com,rcdauterive@loopllc.com,peter.lebel@noaa.gov,jpopoff@responsegroupinc.com,Brandi.Todd@noaa.gov,demaskey@cleangulfassoc.com