Spot Forecast
Issued by NWS New Orleans/Baton Rouge, LA
Issued by NWS New Orleans/Baton Rouge, LA
838
FNUS74 KLIX 290833
FWSLIX
Spot Forecast for Grand Isle Block 59 Release INLAND...NOAA
National Weather Service New Orleans LA
333 AM CDT Wed Apr 29 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...
Chances of rain will rise today and remain high with greatest
probabilities Friday night into Saturday morning. These rains,
over several days should be wetting rains. Onshore flow of 10 to
15 knots will remain in place until Friday night when a cold front
will slowly move into the gulf waters. This transition starts
Friday evening and should be through the waters by late Saturday
morning. Seas will remain up to 3 feet until the front moves
through, then northerly winds and seas will rise possibly to
headline levels Friday night into Saturday morning ending during
the day Sunday.
.REST OF TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent).
Chance of pcpn......0 percent.
Min temperature.....Around 76.
Max humidity........85 percent.
Max apparent temp...77.
Surface winds (kts).South winds around 11 knots.
Transport winds.....South around 14 mph.
Transport winds m/s.South around 6 meters/second.
Wave height.........1 foot.
Wave period.........2 SECONDS.
CEILING (KFT).......2.7.
Wind (20 ft)........South winds around 12 mph.
TIME (CDT) 5AM
Sky (%).........50
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0
Temp............77
RH..............85
Aparnt tmp (F)..77
20 FT wind dir..S
20 FT wind spd..13
20 FT wind gust.15
SFC wnd dir.....S
SFC wnd spd kts.11
SFC wnd gst.....15
Transp wind dir.S
Transp wind spd.14
Trans wind dir..S
Trans spd (m/s).6
Wave period (s).2
Wave height (ft)1
Ceiling (kft)...2.7
.TODAY...
Sky/weather.........Mostly sunny (30-40 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 78.
Min humidity........79 percent.
Max apparent temp...77.
Surface winds (kts).Southwest winds 8 to 10 knots.
Transport winds.....South 9 to 14 mph.
Transport winds m/s.South 4 to 6 meters/second.
Wave height.........1 foot.
Wave period.........2 SECONDS.
CEILING (KFT).......2.7 increasing to 25 early in the morning, then
decreasing to 1.8 early in the morning
increasing to 2.7 late in the morning
increasing to 25.
Wind (20 ft)........Southwest winds 8 to 10 mph.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........49 46 42 27 27 17 19 28 33 32 36 37
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0
Temp............76 77 76 76 76 77 77 76 77 77 77 77
RH..............87 82 85 85 85 82 82 82 82 82 79 82
Aparnt tmp (F)..76 77 76 76 76 77 77 76 77 77 77 77
20 FT wind dir..SSW S S SSW SSW SSW SSW SSW SSW SSW SSW SSW
20 FT wind spd..12 12 10 10 9 9 9 9 9 10 10 10
20 FT wind gust.15 14 13 13 12 12 12 12 12 12 12 12
SFC wnd dir.....SSW S S SSW SSW SSW SSW SSW SSW SSW SSW SSW
SFC wnd spd kts.10 10 9 9 8 8 8 8 8 9 9 9
SFC wnd gst.....15 14 13 13 12 12 12 12 12 12 12 12
Transp wind dir.S S S S S S SSW SW SSW SSW SSW SSW
Transp wind spd.13 14 14 10 9 10 12 12 14 14 14 13
Trans wind dir..S S S S S S SSW SW SSW SSW SSW SSW
Trans spd (m/s).6 6 6 4 4 4 5 5 6 6 6 6
Wave period (s).2 2 2 2 2 2 2 2 2 1 1 1
Wave height (ft)1 1 1 1 1 1 0 0 0 0 0 0
Ceiling (kft)...2.7 25 2.2 2.2 1.8 2.7 25 25 25 25 25 25
.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent) then becoming
mostly cloudy (70-80 percent).
Chance of pcpn......0 percent.
Min temperature.....Around 75.
Max humidity........87 percent.
Max apparent temp...78.
Surface winds (kts).Southwest winds 7 to 9 knots.
Transport winds.....Southwest 9 to 13 mph.
Transport winds m/s.Southwest 4 to 6 meters/second.
Wave height.........Less than 1 foot.
Wave period.........1 SECONDS.
CEILING (KFT).......25 decreasing to 13 overnight, then decreasing
to 1.3 overnight increasing to 1.8 after 3 am
increasing to 2.7.
Wind (20 ft)........Southwest winds 7 to 9 mph.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........48 63 65 68 85 82 70 72 74 84 78 74
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0
Temp............77 77 78 77 77 77 77 77 76 76 76 76
RH..............79 82 82 82 85 82 82 82 87 85 85 87
Aparnt tmp (F)..77 77 78 77 77 77 77 77 76 76 76 76
20 FT wind dir..SSW SSW SW WSW WSW WSW SW SW SW SSW SSW SSW
20 FT wind spd..10 10 9 9 9 9 9 9 8 8 8 8
20 FT wind gust.12 12 12 12 12 10 10 12 10 9 10 10
SFC wnd dir.....SSW SSW SW WSW WSW WSW SW SW SW SSW SSW SSW
SFC wnd spd kts.9 9 8 8 8 8 8 8 7 7 7 7
SFC wnd gst.....12 12 12 12 12 10 10 12 10 9 10 10
Transp wind dir.SSW SW WSW SW WSW WSW SSW SSW SW SW SSW SSW
Transp wind spd.13 13 12 9 9 9 10 9 10 10 10 9
Trans wind dir..SSW SW WSW SW WSW WSW SSW SSW SW SW SSW SSW
Trans spd (m/s).6 6 5 4 4 4 4 4 4 4 4 4
Wave period (s).1 1 1 1 1 1 1 1 1 1 1 1
Wave height (ft)0 0 0 0 0 0 0 0 0 0 0 0
Ceiling (kft)...25 25 25 25 25 25 13 13 1.3 1.8 1.8 2.7
.THURSDAY...
Sky/weather.........Mostly cloudy (70-80 percent). Slight chance of
showers and thunderstorms in the afternoon.
Chance of pcpn......20 percent.
Max temperature.....Around 77.
Min humidity........82 percent.
Max apparent temp...76.
Surface winds (kts).South winds 6 to 7 knots shifting to the 7 to 9
knots in the afternoon.
Transport winds.....South 7 to 10 mph shifting to the north around
8 mph early in the morning, then shifting to
the west late in the morning shifting to the
south in the late morning and afternoon.
Transport winds m/s.South 3 to 6 meters/second shifting to the
north around 4 meters/second early in the
morning, then shifting to the west late in the
morning shifting to the south 4 to 6
meters/second in the late morning and
afternoon.
Wave height.........Less than 1 foot.
Wave period.........2 SECONDS.
CEILING (KFT).......4.5 increasing to 5.8 early in the morning,
then increasing to 11 late in the morning
decreasing to 8.2 early in the afternoon
decreasing to 5.0.
Wind (20 ft)........Southwest winds 6 to 7 mph shifting to the
south 7 to 9 mph in the afternoon. 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 (%).........85 78 74 72 70 70 71 71 69 68 66 68
Weather cov..... SCH SCH SCH SCH SCH
Weather type.... RW RW RW RW RW
Tstm cov........ SCH SCH SCH SCH SCH
Chc of pcpn (%).0 10 10 10 10 10 10 20 20 20 20 20
Temp............76 76 75 76 76 76 76 76 76 76 76 76
RH..............85 85 87 85 85 85 85 85 85 82 82 82
Aparnt tmp (F)..76 76 75 76 76 76 76 76 76 76 76 76
20 FT wind dir..WSW W WSW SSW S S S S S S S S
20 FT wind spd..7 7 7 7 8 8 8 9 9 10 10 10
20 FT wind gust.9 9 9 9 10 10 10 10 10 12 12 13
SFC wnd dir.....WSW W WSW SSW S S S S S S S S
SFC wnd spd kts.6 6 6 6 7 7 7 8 8 9 9 9
SFC wnd gst.....9 9 9 9 10 10 10 10 10 12 12 13
Transp wind dir.SSE SW N W S S S S S S S S
Transp wind spd.10 7 8 8 8 8 8 9 9 10 12 13
Trans wind dir..SSE SW N W S S S S S S S S
Trans spd (m/s).4 3 4 4 4 4 4 4 4 4 5 6
Wave period (s).1 1 1 1 1 1 1 1 2 2 2 2
Wave height (ft)0 0 0 0 0 0 0 0 0 0 0 0
Ceiling (kft)...4.5 4.5 5.8 13 13 11 8.2 5.8 5.0 5.4 5.7
.FORECAST DAYS 3 THROUGH 7...
.FRIDAY...
Mostly cloudy with chance of showers and thunderstorms. Lows in
the mid 70s. Highs in the upper 70s. Southeast winds around
13 mph.
.SATURDAY...
Showers and chance of thunderstorms. Lows in the mid 60s. Highs
around 70. South winds around 17 mph.
.SUNDAY...
Partly cloudy. Lows in the lower 60s. Highs in the lower 70s.
Northeast winds around 20 mph.
.MONDAY...
Partly cloudy. Lows in the upper 60s. Highs in the lower 70s.
.TUESDAY...
Partly cloudy. Lows around 70. Highs in the mid 70s.
$$
Forecaster...SCHLOTZHAUER
Requested by...Brandi Todd
Type of request...HAZMAT
.TAG 2611852.2/LIX
.DELDT 04/29/26
.FormatterVersion 2.0.0
.EMAIL tcshaw@loopllc.com,rcdauterive@loopllc.com,vcarreiro@responsegroupinc.com,jsilva@responsegroupinc.com,jpopoff@responsegroupinc.com,Brandi.Todd@noaa.gov,sr-lix.forecasters@noaa.gov,peter.lebel@noaa.gov,apardo@responsegroupinc.com,demaskey@cleangulfassoc.com,rlozada@responsegroup.com,elyons@ampol.net,jhellickson@responsegroupinc.com,nwcopeland@loopllc.com