Spot Forecast
Issued by NWS New Orleans/Baton Rouge, LA
Issued by NWS New Orleans/Baton Rouge, LA
343
FNUS74 KLIX 270841
FWSLIX
Spot Forecast for Grand Isle Block 59 Release *INLAND*...NOAA
National Weather Service New Orleans LA
341 AM CDT Mon Apr 27 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...
Dry through Tuesday. Persistent onshore flow of 10 to 15 knots
will remain in place through the middle of this week. Seas will
remain well below any hazardous limits at 1 to 3 feet through the
period. As we move into the back half of the week we will see a
weak cold front drift south towards the coast and could even sink
into the coastal waters this weekend.
.REST OF TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent).
Chance of pcpn......0 percent.
Min temperature.....Around 75.
Max humidity........94 percent.
Max apparent temp...75.
Surface winds (kts).Southeast winds around 12 knots.
Transport winds.....South around 15 mph.
Transport winds m/s.South around 7 meters/second.
Wave height.........1 foot.
Wave period.........2 SECONDS.
CEILING (KFT).......25.
Wind (20 ft)........Southeast winds around 13 mph.
TIME (CDT) 5AM
Sky (%).........35
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0
Temp............75
RH..............94
Aparnt tmp (F)..75
20 FT wind dir..SSE
20 FT wind spd..14
20 FT wind gust.17
SFC wnd dir.....SSE
SFC wnd spd kts.12
SFC wnd gst.....17
Transp wind dir.SSE
Transp wind spd.15
Trans wind dir..SSE
Trans spd (m/s).7
Wave period (s).2
Wave height (ft)1
Ceiling (kft)...25
.TODAY...
Sky/weather.........Sunny (15-25 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 77.
Min humidity........85 percent.
Max apparent temp...77.
Surface winds (kts).Southeast winds 12 to 14 knots.
Transport winds.....Southeast 16 to 18 mph.
Transport winds m/s.Southeast 7 to 8 meters/second.
Wave height.........1 foot.
Wave period.........2 SECONDS.
CEILING (KFT).......25.
Wind (20 ft)........Southeast winds 13 to 15 mph.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........28 28 25 16 17 15 12 14 15 14 28 24
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0
Temp............75 75 75 76 75 76 76 76 76 77 76 77
RH..............94 90 90 90 94 90 90 87 90 88 87 85
Aparnt tmp (F)..75 75 75 76 75 76 76 76 76 77 76 77
20 FT wind dir..SE SE SE SE SSE SSE SSE SSE SE SE SE SE
20 FT wind spd..14 15 15 16 16 16 16 16 16 16 16 16
20 FT wind gust.17 17 18 18 18 20 20 20 18 20 20 20
SFC wnd dir.....SE SE SE SE SSE SSE SSE SSE SE SE SE SE
SFC wnd spd kts.12 13 13 14 14 14 14 14 14 14 14 14
SFC wnd gst.....17 17 18 18 18 20 20 20 18 20 20 20
Transp wind dir.SSE SSE SE SSE SSE SSE SSE SSE SSE SSE SSE SSE
Transp wind spd.16 17 18 17 17 17 17 17 18 18 17 17
Trans wind dir..SSE SSE SE SSE SSE SSE SSE SSE SSE SSE SSE SSE
Trans spd (m/s).7 8 8 8 8 8 8 8 8 8 8 8
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)...25 25 25 25 25 25 25 25 25 25 25 25
.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent) then becoming
mostly cloudy (50-60 percent) then becoming
partly cloudy (30-40 percent).
Chance of pcpn......0 percent.
Min temperature.....Around 75.
Max humidity........90 percent.
Max apparent temp...77.
Surface winds (kts).South winds 12 to 15 knots.
Transport winds.....South 15 to 21 mph.
Transport winds m/s.South 7 to 9 meters/second.
Wave height.........1 foot.
Wave period.........2 SECONDS.
CEILING (KFT).......25 decreasing to 1.3.
Wind (20 ft)........Southeast winds 13 to 16 mph.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........29 37 35 29 32 44 39 55 33 32 42 31
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0
Temp............77 76 77 76 77 76 76 76 76 76 75 76
RH..............85 90 88 90 85 90 90 87 87 87 90 87
Aparnt tmp (F)..77 76 77 76 77 76 76 76 76 76 75 76
20 FT wind dir..SE SE SE SE SE SSE SSE SSE SSE SSE SSE SSE
20 FT wind spd..16 16 17 17 17 16 17 17 16 16 15 14
20 FT wind gust.20 20 20 20 20 20 20 20 20 18 17 17
SFC wnd dir.....SE SE SE SE SE SSE SSE SSE SSE SSE SSE SSE
SFC wnd spd kts.14 14 15 15 15 14 15 15 14 14 13 12
SFC wnd gst.....20 20 20 20 20 20 20 20 20 18 17 17
Transp wind dir.SSE SSE SSE SSE SSE SSE S S S S S S
Transp wind spd.18 18 20 18 18 20 21 20 17 18 16 15
Trans wind dir..SSE SSE SSE SSE SSE SSE S S S S S S
Trans spd (m/s).8 8 9 8 8 9 9 9 8 8 7 7
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)...25 25 25 25 25 25 25 25 25 25 3.5 1.3
.TUESDAY...
Sky/weather.........Mostly sunny (30-40 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 77.
Min humidity........85 percent.
Max apparent temp...76.
Surface winds (kts).Southeast winds 11 to 14 knots.
Transport winds.....South 14 to 17 mph.
Transport winds m/s.South 6 to 8 meters/second.
Wave height.........1 foot.
Wave period.........2 SECONDS.
CEILING (KFT).......1.3 increasing to 9.5.
Wind (20 ft)........Southeast winds 12 to 15 mph.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........32 35 27 31 34 34 34 34 34 34 34 39
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0
Temp............75 75 75 75 75 75 76 76 76 76 76 76
RH..............90 90 90 90 90 90 85 85 85 85 85 85
Aparnt tmp (F)..75 75 75 75 75 75 76 76 76 76 76 76
20 FT wind dir..SSE SSE SSE SSE SSE SSE SE SE SE SE SE SE
20 FT wind spd..14 13 13 13 13 14 14 15 15 15 15 16
20 FT wind gust.16 16 16 16 16 16 17 17 18 18 18 18
SFC wnd dir.....SSE SSE SSE SSE SSE SSE SE SE SE SE SE SE
SFC wnd spd kts.12 11 11 11 11 12 12 13 13 13 13 14
SFC wnd gst.....16 16 16 16 16 16 17 17 18 18 18 18
Transp wind dir.S S S S SSE SSE SSE SSE SSE SSE SSE SSE
Transp wind spd.14 15 15 15 15 16 16 17 17 17 17 17
Trans wind dir..S S S S SSE SSE SSE SSE SSE SSE SSE SSE
Trans spd (m/s).6 7 7 7 7 7 7 8 8 8 8 8
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 1.3 1.3 1.3 1.3 1.3 1.3 7.5 8.5 9.5
.FORECAST DAYS 3 THROUGH 7...
.WEDNESDAY...
Partly cloudy. Lows in the mid 70s. Highs in the upper 70s. South
winds around 11 mph.
.THURSDAY...
Mostly cloudy with slight chance of showers and thunderstorms.
Lows in the mid 70s. Highs in the upper 70s. Southwest winds
around 9 mph.
.FRIDAY...
Mostly cloudy with chance of showers and slight chance of
thunderstorms. Lows in the mid 70s. Highs in the mid 70s. East
winds around 20 mph.
.SATURDAY...
Mostly cloudy with showers likely and chance of thunderstorms.
Lows in the upper 60s. Highs in the lower 70s.
.SUNDAY...
Mostly cloudy. Chance of showers and thunderstorms. Lows in the
mid 60s. Highs in the lower 70s.
$$
Forecaster...SCHLOTZHAUER
Requested by...Brandi Todd
Type of request...HAZMAT
.TAG 2611656.4/LIX
.DELDT 04/27/26
.FormatterVersion 2.0.0
.EMAIL sr-lix.forecasters@noaa.gov,tcshaw@loopllc.com,demaskey@cleangulfassoc.com,Brandi.Todd@noaa.gov,apardo@responsegroupinc.com,peter.lebel@noaa.gov,rcdauterive@loopllc.com,vcarreiro@responsegroupinc.com,nwcopeland@loopllc.com,elyons@ampol.net