Shell Island, Atchafalaya Bay, LA Weather Forecast and Current Conditions
| Day | Sky | High / Low | Precip | Wind | Humidity | |
|---|---|---|---|---|---|---|
|
Sun Aug 23 |
 |
Partly Cloudy Close Hourly |
91º / 82º | 15% | WSW 12 mph | 75% |
| 1pm |  |
Mostly Sunny | 91º | 15% | WSW 8 mph | 75% |
| 2pm | |
Mostly Sunny | 91º | 15% | WSW 10 mph | 71% |
| 3pm | |
Mostly Sunny | 91º | 15% | WSW 10 mph | 72% |
| 4pm | |
Partly Cloudy | 91º | 15% | WSW 11 mph | 68% |
| 5pm | |
Partly Cloudy | 90º | 15% | WSW 11 mph | 73% |
| 6pm | |
Partly Cloudy | 88º | 4% | WSW 11 mph | 77% |
| 7pm |  |
Mostly Cloudy | 88º | 15% | WSW 9 mph | 78% |
| 8pm |  |
Partly Cloudy | 86º | 15% | WNW 11 mph | 84% |
| 9pm | |
Partly Cloudy | 84º | 15% | WSW 7 mph | 87% |
| 10pm | |
Partly Cloudy | 84º | 4% | WSW 6 mph | 87% |
| 11pm | |
Partly Cloudy | 85º | 5% | WSW 6 mph | 86% |
|
Mon Aug 24 |
|
Partly Cloudy View Hourly |
89º / 81º | 24% | WSW 10 mph | 77% |
| 12am | |
Partly Cloudy | 85º | 5% | SW 6 mph | 86% |
| 1am |  |
Mostly Clear | 84º | 5% | SW 6 mph | 86% |
| 2am | |
Mostly Clear | 84º | 5% | SW 6 mph | 84% |
| 3am |  |
Clear | 84º | 5% | SW 6 mph | 84% |
| 4am | |
Clear | 84º | 5% | WSW 6 mph | 83% |
| 5am | |
Clear | 84º | 7% | WSW 6 mph | 84% |
| 6am | |
Mostly Clear | 84º | 5% | WSW 6 mph | 84% |
| 7am | |
Partly Cloudy | 83º | 5% | WSW 5 mph | 86% |
| 8am | |
Partly Cloudy | 85º | 4% | WSW 6 mph | 85% |
| 9am | |
Partly Cloudy | 87º | 4% | W 7 mph | 82% |
| 10am | |
Partly Cloudy | 87º | 4% | W 8 mph | 78% |
| 11am | |
Mostly Sunny | 88º | 3% | W 8 mph | 77% |
| 12pm | |
Mostly Sunny | 88º | 3% | WSW 9 mph | 74% |
| 1pm | |
Partly Cloudy | 89º | 15% | WSW 9 mph | 73% |
| 2pm | |
Partly Cloudy | 89º | 15% | WSW 10 mph | 70% |
| 3pm | |
Partly Cloudy | 89º | 15% | WSW 10 mph | 72% |
| 4pm | |
Mostly Cloudy | 89º | 19% | WSW 10 mph | 72% |
| 5pm | |
Mostly Cloudy | 87º | 16% | SW 10 mph | 75% |
| 6pm |  |
Scattered Thunderstorms | 87º | 39% | WSW 7 mph | 76% |
| 7pm |  |
Showers | 85º | 36% | WSW 7 mph | 80% |
| 8pm | |
Showers | 84º | 35% | ESE 5 mph | 84% |
| 9pm |  |
Cloudy | 82º | 24% | NNE 8 mph | 87% |
| 10pm | |
Cloudy | 82º | 15% | S 5 mph | 87% |
| 11pm | |
Cloudy | 82º | 5% | S 5 mph | 86% |
|
Tue Aug 25 |
|
PM Thunderstorms View Hourly |
88º / 80º | 49% | W 7 mph | 76% |
| 12am |  |
Mostly Cloudy | 82º | 6% | S 4 mph | 86% |
| 1am | |
Partly Cloudy | 82º | 6% | S 5 mph | 85% |
| 2am | |
Partly Cloudy | 82º | 6% | SSW 4 mph | 85% |
| 3am | |
Partly Cloudy | 83º | 6% | SW 5 mph | 84% |
| 4am | |
Partly Cloudy | 83º | 6% | SW 5 mph | 82% |
| 5am | |
Mostly Cloudy | 83º | 9% | WSW 5 mph | 82% |
| 6am | |
Mostly Cloudy | 83º | 7% | WSW 5 mph | 83% |
| 7am | |
Mostly Cloudy | 82º | 7% | WSW 5 mph | 84% |
| 8am | |
Partly Cloudy | 83º | 10% | WNW 5 mph | 84% |
| 9am | |
Partly Cloudy | 85º | 7% | WNW 6 mph | 82% |
| 10am | |
Partly Cloudy | 86º | 13% | NW 7 mph | 78% |
| 11am | |
Partly Cloudy | 87º | 13% | WNW 7 mph | 74% |
| 12pm | |
Partly Cloudy | 87º | 20% | WNW 6 mph | 74% |
|
Wed Aug 26 |
|
PM Thunderstorms | 89º / 81º | 51% | WSW 9 mph | 75% |
|
Thu Aug 27 |
|
Scattered Thunderstorms | 87º / 78º | 56% | WSW 9 mph | 77% |
|
Fri Aug 28 |
|
Scattered Thunderstorms | 87º / 77º | 51% | NW 6 mph | 78% |
|
Sat Aug 29 |
|
Scattered Thunderstorms | 89º / 78º | 55% | E 7 mph | 76% |
|
Sun Aug 30 |
|
Scattered Thunderstorms | 89º / 78º | 50% | SE 7 mph | 76% |
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Buoy Data
For Shell Island, Atchafalaya Bay, LA -
Wind Forecast
In Shell Island, Atchafalaya Bay, LA -
Radar
In Shell Island, Atchafalaya Bay, LA -
Marine Forecast
In Shell Island, Atchafalaya Bay, LA
Weather Radar for Shell Island, Atchafalaya Bay, LA See Radar
* Playback displays weather for the past 6 hours.
NOAA Weather Marine Forecast for Shell Island, Atchafalaya Bay, LA
This Afternoon
High : 91ºF
WSW wind 5 to 10 kt. Sunny. Seas 1 ft or less.
WSW wind 5 to 10 kt. Sunny. Seas 1 ft or less.
Tonight
Low : 84ºF
W wind 5 to 10 kt becoming SW after midnight. Partly cloudy. Seas 1 ft or less.
W wind 5 to 10 kt becoming SW after midnight. Partly cloudy. Seas 1 ft or less.
Monday
High : 90ºF
W wind 5 to 10 kt. A slight chance of showers and thunderstorms after 5pm. Seas 1 ft or less.
W wind 5 to 10 kt. A slight chance of showers and thunderstorms after 5pm. Seas 1 ft or less.
Monday Night
Low : 84ºF
Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 7pm. Seas 1 ft or less.
Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 7pm. Seas 1 ft or less.
Tuesday
High : 89ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly after 7am. Seas 1 ft or less.
Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly after 7am. Seas 1 ft or less.
Tuesday Night
Low : 84ºF
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Wednesday
High : 90ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms after 1pm. Seas 1 ft or less.
Variable winds 5 kt or less. A chance of showers and thunderstorms after 1pm. Seas 1 ft or less.
Wednesday Night
Low : 83ºF
Variable winds 5 kt or less. A slight chance of showers and thunderstorms after 1am. Seas 1 ft or less.
Variable winds 5 kt or less. A slight chance of showers and thunderstorms after 1am. Seas 1 ft or less.
Thursday
High : 89ºF
Variable winds 5 kt or less. Showers and thunderstorms likely, mainly after 1pm. Seas 1 ft or less.
Variable winds 5 kt or less. Showers and thunderstorms likely, mainly after 1pm. Seas 1 ft or less.
NOAA Buoy Data Near Shell Island, Atchafalaya Bay, LA See Map
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Wind Speed Forecast for Shell Island, Atchafalaya Bay, LA
| Sunday | Monday | Tuesday | ||||||||||
| Wind Speed (MPH) | 8 | 11 | 7 | 6 | 6 | 7 | 9 | 10 | 8 | 5 | 5 | 6 |
| 6pm | 10pm | 2am | 6am | 10am | 2pm | 6pm | 10pm | 2am | 6am | 10am | 2pm | |
| MPH | 8 | 11 | 7 | 6 | 6 | 7 | 9 | 10 | 8 | 5 | 5 | 6 |
| DIR | WSW | WSW | WSW | SW | WSW | W | WSW | SW | NNE | S | WSW | WNW |
Current Weather Conditions In Shell Island, Atchafalaya Bay, LA
As Of: 27 minutes ago
- 91ºF
- 110ºF
- 8mph
- 0º (WSW)
- 8mph
- Mostly Sunny
- 10mi
- 30.00"
- 75%
- 0ºF
The weather right now in Shell Island, Atchafalaya Bay, LA is Mostly Sunny. The current temperature is 91°F, and the expected high and low for today, Sunday, August 23, 2026, are 91° high temperature and 82°F low temperature. The wind is currently blowing at 8 miles per hour, and coming from the West Southwest. The wind is gusting to 8 mph. With the wind and the atmosphere the temperature feels like 110° Fahrenheit. Expected precipitation is 15 percent, with current humidity at 75 percent, and air pressure at 30 in. Visibility is 10 nautical miles. There are no current weather alert(s).
