Shell Island, Atchafalaya Bay, LA Weather Forecast and Current Conditions

Day	Sky	High / Low	Precip	Wind	Humidity
Sat Sep 12	Mostly Clear Close Hourly	-º / 78º	20%	S 2 mph	92%
11pm	Clear	81º	2%	S 1 mph	90%
Sun Sep 13	Partly Cloudy View Hourly	87º / 77º	24%	SSW 6 mph	81%
12am	Clear	80º	3%	SSW 1 mph	90%
1am	Clear	80º	3%	SSW 2 mph	91%
2am	Clear	81º	3%	SSW 2 mph	91%
3am	Clear	80º	3%	SSW 1 mph	93%
4am	Clear	80º	3%	SSW 1 mph	91%
5am	Mostly Clear	79º	17%	S 0 mph	93%
6am	Partly Cloudy	79º	20%	S 1 mph	97%
7am	Partly Cloudy	79º	21%	ESE 1 mph	91%
8am	Partly Cloudy	81º	21%	ESE 2 mph	93%
9am	Mostly Sunny	84º	14%	SE 2 mph	88%
10am	Partly Cloudy	86º	15%	S 3 mph	81%
11am	Partly Cloudy	86º	24%	SSW 4 mph	80%
12pm	Partly Cloudy	86º	18%	SW 5 mph	80%
1pm	Scattered Thunderstorms	85º	42%	SW 5 mph	79%
2pm	Partly Cloudy	85º	18%	SW 5 mph	79%
3pm	Partly Cloudy	86º	15%	SW 6 mph	78%
4pm	Partly Cloudy	86º	15%	WSW 6 mph	75%
5pm	Partly Cloudy	86º	15%	SW 5 mph	75%
6pm	Mostly Sunny	86º	5%	SW 5 mph	77%
7pm	Partly Cloudy	85º	5%	SW 4 mph	83%
8pm	Partly Cloudy	83º	5%	SW 3 mph	87%
9pm	Few Showers	82º	30%	SSW 3 mph	90%
10pm	Few Showers	80º	31%	SSE 3 mph	95%
11pm	Partly Cloudy	80º	7%	S 2 mph	95%
Mon Sep 14	Mostly Sunny View Hourly	88º / 78º	24%	N 6 mph	80%
12am	Partly Cloudy	80º	7%	SSW 1 mph	95%
1am	Partly Cloudy	80º	6%	S 2 mph	93%
2am	Mostly Clear	80º	7%	SSW 1 mph	94%
3am	Mostly Clear	79º	7%	SSW 1 mph	95%
4am	Mostly Clear	79º	7%	SW 1 mph	93%
5am	Mostly Clear	78º	7%	NW 1 mph	94%
6am	Partly Cloudy	78º	7%	NNW 2 mph	97%
7am	Mostly Sunny	78º	9%	NNE 1 mph	92%
8am	Mostly Sunny	80º	8%	NNE 2 mph	94%
9am	Mostly Sunny	83º	8%	NNE 3 mph	90%
10am	Mostly Sunny	85º	9%	NNE 3 mph	81%
11am	Mostly Sunny	87º	6%	NNE 3 mph	77%
12pm	Sunny	87º	5%	NE 4 mph	74%
1pm	Partly Cloudy	87º	15%	NE 3 mph	74%
2pm	Partly Cloudy	87º	15%	SW 5 mph	73%
3pm	Partly Cloudy	87º	15%	SSW 6 mph	74%
4pm	Partly Cloudy	87º	15%	SW 6 mph	75%
5pm	Partly Cloudy	87º	15%	SW 5 mph	74%
6pm	Isolated Thunderstorms	86º	30%	SSW 5 mph	77%
7pm	Scattered Thunderstorms	84º	47%	SSE 4 mph	83%
8pm	Showers	83º	39%	SE 3 mph	88%
9pm	Partly Cloudy	82º	22%	SE 2 mph	90%
10pm	Clear	81º	6%	SE 2 mph	92%
Tue Sep 15	Mostly Sunny	90º / 78º	24%	E 7 mph	78%
Wed Sep 16	PM Thunderstorms	89º / 77º	43%	ENE 14 mph	79%
Thu Sep 17	Mostly Sunny	89º / 74º	19%	ENE 13 mph	71%
Fri Sep 18	Mostly Sunny	89º / 76º	15%	NE 10 mph	70%
Sat Sep 19	PM Thunderstorms	88º / 76º	42%	NE 8 mph	72%

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

NOAA Weather Marine Forecast for Shell Island, Atchafalaya Bay, LA

Tonight

Low : 81ºF
Variable winds 5 kt or less. A slight chance of showers and thunderstorms after 5am. Seas 1 ft or less.

Sunday

High : 88ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly between 1pm and 4pm. Seas 1 ft or less.

Sunday Night

Low : 81ºF
Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 7pm. Seas 1 ft or less.

Monday

High : 89ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms after 1pm. Seas 1 ft or less.

Monday Night

Low : 81ºF
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

Tuesday

High : 90ºF
Variable winds 5 kt or less. A slight chance of showers and thunderstorms after 1pm. Seas 1 ft or less.

Tuesday Night

Low : 80ºF
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

Wednesday

High : 89ºF
E wind around 10 kt. A chance of showers and thunderstorms, mainly after 1pm. Seas 1 ft or less.

Wednesday Night

Low : 79ºF
E wind 5 to 10 kt. A slight chance of showers and thunderstorms before 1am. Seas around 1 ft.

Current Weather Conditions In Shell Island, Atchafalaya Bay, LA

As Of: 1 minute ago

Temperature: 81ºF
Feels Like: 89ºF

Wind Speed: 1mph
Direction: 0º (S)
Gusts: 1mph

Cloud Cover: Clear
Visibility: 10mi

Pressure: 30.00"
Humidity: 90%
Dew Point: 0ºF

The weather right now in Shell Island, Atchafalaya Bay, LA is Clear. The current temperature is 81°F, and the expected high and low for today, Saturday, September 12, 2026, are -° high temperature and 78°F low temperature. The wind is currently blowing at 1 miles per hour, and coming from the South. The wind is gusting to 1 mph. With the wind and the atmosphere the temperature feels like 89° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 90 percent, and air pressure at 30 in. Visibility is 10 nautical miles. There are no current weather alert(s).