Southwest Pass, Mississippi River, LA Weather Forecast and Current Conditions

Day	Sky	High / Low	Precip	Wind	Humidity
Wed Sep 30	Partly Cloudy Close Hourly	-º / 80º	17%	SE 19 mph	75%
4pm	Partly Cloudy	86º	8%	ESE 13 mph	64%
5pm	Partly Cloudy	86º	8%	ESE 14 mph	65%
6pm	Partly Cloudy	86º	3%	ESE 15 mph	66%
7pm	Partly Cloudy	83º	4%	ESE 14 mph	75%
8pm	Partly Cloudy	82º	5%	ESE 15 mph	77%
9pm	Partly Cloudy	82º	5%	ESE 15 mph	78%
10pm	Partly Cloudy	81º	6%	ESE 16 mph	79%
11pm	Partly Cloudy	82º	11%	SE 18 mph	77%
Thu Oct 1	Partly Cloudy View Hourly	84º / 81º	24%	SE 16 mph	77%
12am	Partly Cloudy	82º	12%	SE 19 mph	78%
1am	Partly Cloudy	81º	15%	SE 18 mph	78%
2am	Partly Cloudy	81º	13%	SE 17 mph	78%
3am	Partly Cloudy	82º	12%	SE 17 mph	77%
4am	Partly Cloudy	82º	17%	SE 17 mph	77%
5am	Partly Cloudy	82º	9%	SE 16 mph	77%
6am	Mostly Clear	82º	15%	SE 15 mph	77%
7am	Mostly Sunny	82º	16%	SE 15 mph	77%
8am	Mostly Sunny	83º	13%	SE 15 mph	77%
9am	Partly Cloudy	84º	23%	SE 16 mph	76%
10am	Partly Cloudy	84º	23%	SE 15 mph	77%
11am	Partly Cloudy	84º	22%	SE 16 mph	78%
12pm	Partly Cloudy	84º	24%	SE 16 mph	76%
1pm	Few Showers	83º	32%	SE 14 mph	77%
2pm	Partly Cloudy	83º	24%	SE 15 mph	78%
3pm	Partly Cloudy	84º	15%	SE 13 mph	76%
4pm	Partly Cloudy	84º	13%	ESE 14 mph	76%
5pm	Mostly Sunny	84º	12%	ESE 15 mph	76%
6pm	Partly Cloudy	84º	14%	ESE 15 mph	75%
7pm	Partly Cloudy	83º	13%	ESE 15 mph	78%
8pm	Partly Cloudy	82º	10%	ESE 14 mph	79%
9pm	Partly Cloudy	82º	11%	ESE 15 mph	79%
10pm	Partly Cloudy	82º	24%	ESE 16 mph	79%
11pm	Partly Cloudy	82º	22%	ESE 16 mph	79%
Fri Oct 2	Scattered Thunderstorms View Hourly	84º / 79º	52%	ESE 14 mph	80%
12am	Partly Cloudy	82º	24%	ESE 15 mph	79%
1am	Partly Cloudy	82º	24%	ESE 15 mph	79%
2am	Mostly Cloudy	82º	22%	ESE 15 mph	79%
3am	Partly Cloudy	82º	18%	ESE 15 mph	79%
4am	Partly Cloudy	82º	24%	ESE 14 mph	81%
5am	Partly Cloudy	82º	24%	SE 13 mph	80%
6am	Partly Cloudy	82º	24%	ESE 12 mph	80%
7am	Scattered Thunderstorms	82º	35%	ESE 12 mph	80%
8am	Mostly Cloudy	82º	24%	ESE 13 mph	82%
9am	Scattered Thunderstorms	83º	52%	ESE 13 mph	81%
10am	Scattered Thunderstorms	83º	38%	ESE 14 mph	80%
11am	Mostly Sunny	83º	24%	ESE 13 mph	80%
12pm	Partly Cloudy	83º	23%	ESE 12 mph	81%
1pm	Partly Cloudy	83º	24%	ESE 12 mph	79%
2pm	Mostly Sunny	83º	24%	ESE 12 mph	79%
3pm	Partly Cloudy	83º	24%	ESE 12 mph	78%
Sat Oct 3	Thunderstorms	83º / 78º	74%	SE 13 mph	82%
Sun Oct 4	Thunderstorms	83º / 77º	94%	SE 9 mph	81%
Mon Oct 5	Thunderstorms	82º / 76º	87%	NE 12 mph	82%
Tue Oct 6	Thunderstorms	81º / 76º	75%	ENE 17 mph	80%
Wed Oct 7	Thunderstorms/Wind	81º / 76º	68%	ENE 23 mph	79%

Buoy Data
For Southwest Pass, Mississippi River, LA
Wind Forecast
In Southwest Pass, Mississippi River, LA
Radar
In Southwest Pass, Mississippi River, LA
Marine Forecast
In Southwest Pass, Mississippi River, LA

NOAA Weather Marine Forecast for Southwest Pass, Mississippi River, LA

Tonight

Low : 82ºF
ESE wind around 15 kt. A slight chance of showers and thunderstorms between 3am and 5am. Seas 1 to 3 ft.

Thursday

High : 87ºF
SE wind around 15 kt. A chance of showers and thunderstorms, mainly between 1pm and 4pm. Seas around 2 ft.

Thursday Night

Low : 82ºF
ESE wind around 15 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Seas around 3 ft.

Friday

High : 86ºF
ESE wind around 10 kt. Showers and possibly a thunderstorm. Seas around 3 ft.

Friday Night

Low : 81ºF
ESE wind around 10 kt. Showers and possibly a thunderstorm. Seas around 3 ft.

Saturday

High : 86ºF
SE wind around 10 kt. Showers and possibly a thunderstorm. Seas around 2 ft.

Saturday Night

Low : 81ºF
ESE wind around 10 kt. Showers and possibly a thunderstorm. Seas around 2 ft.

Sunday

High : 86ºF
SE wind 5 to 10 kt. Showers and possibly a thunderstorm. Seas around 2 ft.

Sunday Night

Low : 80ºF
Variable winds 5 kt or less. Showers and possibly a thunderstorm. Seas around 2 ft.

Current Weather Conditions In Southwest Pass, Mississippi River, LA

As Of: 43 minutes ago

Temperature: 86ºF
Feels Like: 94ºF

Wind Speed: 13mph
Direction: 0º (ESE)
Gusts: 13mph

Cloud Cover: Partly Cloudy
Visibility: 10mi

Pressure: 29.90"
Humidity: 64%
Dew Point: 0ºF

The weather right now in Southwest Pass, Mississippi River, LA is Partly Cloudy. The current temperature is 86°F, and the expected high and low for today, Wednesday, September 30, 2026, are -° high temperature and 80°F low temperature. The wind is currently blowing at 13 miles per hour, and coming from the East Southeast. The wind is gusting to 13 mph. With the wind and the atmosphere the temperature feels like 94° Fahrenheit. Expected precipitation is 8 percent, with current humidity at 64 percent, and air pressure at 29.9 in. Visibility is 10 nautical miles. There are no current weather alert(s).