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

Day Sky High / Low Precip Wind Humidity
Sun
Aug 2 		AM Thunderstorms
Close Hourly 		85º / 80º 73% W 17 mph 80%
11am Scattered Thunderstorms 79º 58% W 16 mph 88%
12pm Scattered Thunderstorms 79º 50% W 16 mph 87%
1pm Cloudy 79º 13% W 17 mph 87%
2pm Mostly Cloudy 83º 12% W 15 mph 78%
3pm Mostly Cloudy 83º 12% W 14 mph 76%
4pm Mostly Cloudy 83º 7% W 15 mph 77%
5pm Mostly Cloudy 83º 4% WSW 14 mph 77%
6pm Partly Cloudy 85º 7% WSW 13 mph 74%
7pm Partly Cloudy 84º 12% WSW 12 mph 76%
8pm Mostly Cloudy 82º 19% WSW 10 mph 79%
9pm Partly Cloudy 82º 17% W 10 mph 81%
10pm Partly Cloudy 82º 11% W 9 mph 82%
11pm Partly Cloudy 81º 13% W 9 mph 82%
Mon
Aug 3 		Mostly Sunny
View Hourly 		86º / 80º 19% WNW 7 mph 68%
12am Partly Cloudy 82º 11% W 9 mph 82%
1am Mostly Clear 82º 9% W 8 mph 81%
2am Partly Cloudy 81º 8% WNW 8 mph 81%
3am Partly Cloudy 81º 6% WNW 7 mph 81%
4am Partly Cloudy 81º 23% WNW 6 mph 80%
5am Partly Cloudy 81º 22% NW 5 mph 81%
6am Partly Cloudy 81º 13% NW 5 mph 80%
7am Mostly Sunny 81º 7% NW 4 mph 78%
8am Mostly Sunny 83º 7% NW 5 mph 75%
9am Mostly Sunny 84º 6% NW 6 mph 70%
10am Mostly Sunny 85º 6% NW 6 mph 68%
11am Mostly Sunny 85º 4% NW 5 mph 67%
12pm Partly Cloudy 85º 3% NW 7 mph 66%
1pm Partly Cloudy 85º 5% NW 6 mph 65%
2pm Partly Cloudy 85º 4% WNW 6 mph 65%
3pm Partly Cloudy 85º 8% WNW 5 mph 63%
4pm Partly Cloudy 85º 17% W 4 mph 64%
5pm Partly Cloudy 85º 19% WSW 5 mph 65%
6pm Partly Cloudy 85º 12% WSW 5 mph 65%
7pm Sunny 85º 2% WSW 4 mph 67%
8pm Clear 83º 5% SW 4 mph 71%
9pm Clear 83º 5% SW 5 mph 73%
10pm Clear 82º 3% SW 4 mph 73%
11pm Clear 82º 7% WSW 4 mph 74%
Tue
Aug 4 		Mostly Sunny
View Hourly 		86º / 81º 24% W 6 mph 69%
12am Clear 82º 7% WSW 4 mph 74%
1am Clear 82º 7% WSW 4 mph 74%
2am Mostly Clear 82º 5% WSW 4 mph 75%
3am Mostly Clear 82º 3% WSW 4 mph 76%
4am Mostly Clear 81º 4% WSW 4 mph 76%
5am Mostly Clear 82º 5% WSW 4 mph 76%
6am Mostly Clear 82º 7% W 4 mph 76%
7am Mostly Sunny 81º 11% WNW 4 mph 76%
8am Mostly Sunny 84º 12% WNW 5 mph 72%
9am Mostly Sunny 85º 9% NW 6 mph 71%
10am Partly Cloudy 85º 14% NW 6 mph 70%
Wed
Aug 5 		Sunny 87º / 81º 22% SSW 7 mph 68%
Thu
Aug 6 		Sunny 86º / 80º 16% ESE 9 mph 68%
Fri
Aug 7 		Isolated Thunderstorms 85º / 80º 34% E 12 mph 74%
Sat
Aug 8 		AM Thunderstorms 85º / 80º 39% E 12 mph 75%
Sun
Aug 9 		Thunderstorms 85º / 80º 61% ESE 9 mph 74%

Weather Radar for Southeast Pass, Mississippi River, LA See Radar

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* Playback displays weather for the past 6 hours.

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

Today
High : 87ºF
W wind around 15 kt, with gusts as high as 20 kt. Showers and thunderstorms, mainly before 3pm. Seas around 1 ft.
Tonight
Low : 81ºF
WSW wind 10 to 15 kt. A chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 3am. Seas around 1 ft.
Monday
High : 87ºF
Variable winds 5 kt or less. A slight chance of showers and thunderstorms between 11am and noon. Seas 1 ft or less.
Monday Night
Low : 82ºF
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Tuesday
High : 88ºF
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Tuesday Night
Low : 81ºF
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Wednesday
High : 87ºF
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Wednesday Night
Low : 81ºF
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Thursday
High : 87ºF
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

NOAA Buoy Data Near Southeast Pass, Mississippi River, LA See Map

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    Wind Speed Forecast for Southeast Pass, Mississippi River, LA

    SundayMondayTuesday
    Wind Speed (MPH) 161412974554444
    4pm8pm12am4am8am12pm4pm8pm12am4am8am12pm
    MPH 161412974554444
    DIR WWWSWWWNWNWNWWNWWSWWSWWSWWNW

    Current Weather Conditions In Southeast Pass, Mississippi River, LA

    As Of: 53 minutes ago

    • 79ºF
    • 85ºF
    • 16mph
    • 0º (W)
    • 21mph
    • Scattered Thunderstorms
    • 7mi
    • 29.86"
    • 88%
    • 0ºF

    The weather right now in Southeast Pass, Mississippi River, LA is Scattered Thunderstorms. The current temperature is 79°F, and the expected high and low for today, Sunday, August 2, 2026, are 85° high temperature and 80°F low temperature. The wind is currently blowing at 16 miles per hour, and coming from the West. The wind is gusting to 21 mph. With the wind and the atmosphere the temperature feels like 85° Fahrenheit. Expected precipitation is 58 percent, with current humidity at 88 percent, and air pressure at 29.86 in. Visibility is 7 nautical miles. There are 2 current weather alert(s).

    Weather Alerts
    Marine Weather Statement - 9:28am Sun Aug 2 2026

    A Marine Weather Statement has been issued for the following areas...
    Barataria Bay...
    Breton Sound...
    Coastal Waters from Boothville LA to Southwest Pass of the
    Mississippi River out 20 nm...
    Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA
    out 20 nm...
    Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
    River LA from 20 to 60 NM...
    Coastal waters from Southwest Pass of the Mississippi River to
    Port Fourchon Louisiana from 20 to 60 NM...
    Coastal waters from the Southwest Pass of the Mississippi River to
    Port Fourchon Louisiana out 20 NM...
    Terrebonne Bay...

    At 928 AM CDT, Doppler radar indicated a cluster of strong
    thunderstorms, capable of producing winds to around 30 knots and weak
    waterspouts. This cluster of thunderstorms is generally located 8 nm
    southwest of Timbalier Island, moving east at 30 knots.

    Mariners can expect widespread gusty winds to around 30 knots, higher
    waves and dangerous lightning strikes. Boaters should seek safe
    harbor immediately until this activity passes.

    Brief, weak waterspouts are possible with this activity. Remain on
    alert in case warnings are issued for waterspout development.

    &&

    Small Craft Advisory - 12:48am Sun Aug 2 2026

    ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING...

    WHAT: West winds 15 to 20 kt with gusts up to 25 kt.

    WHERE: Portions of Gulf of America.

    WHEN: Until 7 PM CDT this evening.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced mariners, especially those operating smaller
    vessels, should avoid navigating in hazardous conditions.

    &&