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

Day	Sky	High / Low	Precip	Wind	Humidity
Tue Oct 20	Mostly Clear Close Hourly	-º / 71º	1%	ENE 14 mph	62%
11pm	Clear	72º	1%	ENE 14 mph	62%
Wed Oct 21	Sunny View Hourly	76º / 72º	1%	NE 15 mph	59%
12am	Clear	73º	0%	ENE 14 mph	60%
1am	Clear	73º	0%	ENE 13 mph	60%
2am	Clear	73º	0%	ENE 12 mph	62%
3am	Clear	73º	1%	ENE 12 mph	62%
4am	Clear	73º	1%	ENE 11 mph	62%
5am	Clear	73º	1%	NE 11 mph	62%
6am	Clear	73º	1%	NE 11 mph	63%
7am	Clear	73º	1%	NE 11 mph	63%
8am	Sunny	74º	1%	NE 11 mph	63%
9am	Sunny	74º	1%	NE 12 mph	64%
10am	Sunny	75º	0%	ENE 12 mph	60%
11am	Sunny	75º	0%	ENE 12 mph	59%
12pm	Sunny	76º	0%	ENE 12 mph	58%
1pm	Sunny	76º	0%	ENE 12 mph	58%
2pm	Sunny	76º	1%	ENE 13 mph	57%
3pm	Sunny	76º	0%	ENE 13 mph	57%
4pm	Sunny	76º	0%	NE 14 mph	57%
5pm	Sunny	75º	1%	NE 15 mph	58%
6pm	Sunny	75º	1%	NE 14 mph	59%
7pm	Clear	74º	1%	NE 13 mph	62%
8pm	Clear	73º	0%	NE 12 mph	63%
9pm	Clear	73º	0%	NE 12 mph	62%
10pm	Clear	73º	0%	NE 11 mph	59%
11pm	Clear	73º	0%	NE 10 mph	58%
Thu Oct 22	Sunny View Hourly	77º / 72º	1%	NE 13 mph	55%
12am	Clear	73º	0%	NE 10 mph	56%
1am	Clear	73º	0%	NE 10 mph	56%
2am	Clear	74º	0%	NE 11 mph	56%
3am	Clear	74º	0%	NE 10 mph	57%
4am	Clear	73º	0%	NE 10 mph	58%
5am	Clear	74º	1%	NNE 11 mph	58%
6am	Clear	74º	1%	NNE 11 mph	59%
7am	Clear	73º	1%	NNE 11 mph	59%
8am	Sunny	74º	1%	NNE 11 mph	60%
9am	Sunny	74º	0%	NNE 12 mph	61%
10am	Sunny	75º	0%	NE 13 mph	58%
11am	Sunny	76º	0%	NE 12 mph	55%
12pm	Sunny	76º	0%	NE 11 mph	55%
1pm	Sunny	76º	0%	NE 11 mph	54%
2pm	Sunny	76º	0%	NNE 11 mph	53%
3pm	Sunny	77º	0%	NE 11 mph	52%
4pm	Sunny	76º	0%	NE 11 mph	52%
5pm	Sunny	76º	0%	NE 12 mph	52%
6pm	Sunny	76º	0%	NE 11 mph	53%
7pm	Clear	74º	0%	NE 10 mph	54%
8pm	Clear	74º	0%	NE 9 mph	55%
9pm	Clear	73º	0%	NE 8 mph	54%
10pm	Clear	73º	0%	NE 6 mph	54%
Fri Oct 23	Sunny	77º / 72º	0%	NE 12 mph	56%
Sat Oct 24	Sunny/Wind	76º / 71º	1%	ENE 21 mph	58%
Sun Oct 25	Partly Cloudy/Wind	75º / 71º	11%	ENE 23 mph	69%
Mon Oct 26	Partly Cloudy	75º / 69º	5%	ENE 18 mph	65%
Tue Oct 27	Mostly Sunny	75º / 69º	6%	NE 14 mph	61%

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 : 73ºF
ENE wind 10 to 15 kt. Mostly clear. Seas around 2 ft.

Wednesday

High : 77ºF
ENE wind around 10 kt. Sunny. Seas around 2 ft.

Wednesday Night

Low : 72ºF
NE wind 10 to 15 kt. Mostly clear. Seas around 2 ft.

Thursday

High : 79ºF
NE wind around 10 kt. Sunny. Seas 1 to 2 ft.

Thursday Night

Low : 74ºF
ENE wind 5 to 10 kt. Clear. Seas around 1 ft.

Friday

High : 78ºF
NE wind around 10 kt. Sunny. Seas around 1 ft.

Friday Night

Low : 71ºF
E wind around 15 kt, with gusts as high as 20 kt. Clear. Seas 1 to 3 ft.

Saturday

High : 75ºF
ENE wind 15 to 20 kt. Sunny. Seas 3 to 4 ft.

Saturday Night

Low : 70ºF
ENE wind around 25 kt. Mostly clear. Seas around 4 ft.

Current Weather Conditions In Southwest Pass, Mississippi River, LA

As Of: 50 minutes ago

Temperature: 72ºF
Feels Like: 72ºF

Wind Speed: 14mph
Direction: 0º (ENE)
Gusts: 14mph

Cloud Cover: Clear
Visibility: 10mi

Pressure: 30.14"
Humidity: 62%
Dew Point: 0ºF

The weather right now in Southwest Pass, Mississippi River, LA is Clear. The current temperature is 72°F, and the expected high and low for today, Tuesday, October 20, 2026, are -° high temperature and 71°F low temperature. The wind is currently blowing at 14 miles per hour, and coming from the East Northeast. The wind is gusting to 14 mph. With the wind and the atmosphere the temperature feels like 72° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 62 percent, and air pressure at 30.14 in. Visibility is 10 nautical miles. There are no current weather alert(s).