Nearby Harbors
29.2283’ N, 89.0500’ W

Lonesome Bayou (Thomasin), LA

79°
H -°
L 77°
NE
12mph
High tide
6:24 am
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Lonesome Bayou (Thomasin), LA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Oct 5 		Light Rain Early
Close Hourly 		-º / 77º 87% NE 14 mph 87%
8pm Light Rain 79º 87% NE 12 mph 88%
9pm Showers 79º 50% NE 12 mph 87%
10pm Cloudy 79º 19% NE 14 mph 87%
11pm Cloudy 80º 13% NE 14 mph 85%
Tue
Oct 6 		Scattered Thunderstorms
View Hourly 		80º / 78º 47% NE 17 mph 86%
12am Cloudy 80º 13% NE 14 mph 84%
1am Cloudy 79º 11% NE 13 mph 86%
2am Cloudy 79º 10% NE 12 mph 87%
3am Cloudy 79º 24% NE 12 mph 87%
4am Cloudy 79º 24% NE 12 mph 88%
5am Cloudy 79º 21% NE 13 mph 88%
6am Cloudy 79º 22% NNE 13 mph 88%
7am Cloudy 78º 24% NNE 14 mph 89%
8am Scattered Thunderstorms 79º 41% NNE 14 mph 88%
9am Scattered Thunderstorms 79º 48% NNE 16 mph 88%
10am Scattered Thunderstorms 79º 36% NE 16 mph 88%
11am Scattered Thunderstorms 79º 38% NNE 16 mph 88%
12pm Showers 79º 39% NNE 16 mph 88%
1pm Showers 80º 43% NNE 17 mph 87%
2pm Showers 80º 45% NNE 17 mph 86%
3pm Few Showers 80º 31% NE 17 mph 84%
4pm Showers 79º 35% NE 17 mph 85%
5pm Showers 80º 43% NE 17 mph 83%
6pm Few Showers 80º 33% NE 17 mph 83%
7pm Few Showers 79º 31% NE 17 mph 85%
8pm Cloudy 79º 23% NE 17 mph 85%
9pm Showers 79º 36% NE 18 mph 84%
10pm Showers 79º 50% NE 19 mph 85%
11pm Showers/Wind 79º 51% NE 20 mph 85%
Wed
Oct 7 		Scattered Thunderstorms/Wind
View Hourly 		81º / 78º 40% NE 21 mph 83%
12am Cloudy 80º 24% NE 19 mph 84%
1am Cloudy 80º 24% NE 19 mph 84%
2am Few Showers 79º 31% ENE 19 mph 85%
3am Cloudy 79º 24% ENE 19 mph 86%
4am Cloudy 79º 24% ENE 19 mph 85%
5am Cloudy 79º 24% ENE 19 mph 84%
6am Cloudy 79º 24% ENE 19 mph 86%
7am Cloudy 79º 24% ENE 19 mph 86%
8am Isolated Thunderstorms/Wind 80º 31% ENE 20 mph 84%
9am Scattered Thunderstorms/Wind 80º 37% ENE 21 mph 84%
10am Isolated Thunderstorms/Wind 80º 33% ENE 21 mph 84%
11am Isolated Thunderstorms/Wind 80º 33% NE 21 mph 84%
12pm Isolated Thunderstorms/Wind 80º 32% NE 21 mph 84%
1pm Scattered Thunderstorms/Wind 80º 40% NE 21 mph 83%
2pm Scattered Thunderstorms/Wind 80º 41% NE 21 mph 82%
3pm Scattered Thunderstorms/Wind 80º 36% ENE 21 mph 81%
4pm Isolated Thunderstorms/Wind 80º 31% NE 20 mph 82%
5pm Cloudy/Wind 81º 23% ENE 21 mph 79%
6pm Cloudy/Wind 81º 20% ENE 20 mph 79%
7pm Mostly Cloudy 80º 20% ENE 19 mph 80%
Thu
Oct 8 		Thunderstorms/Wind 81º / 77º 80% ENE 23 mph 81%
Fri
Oct 9 		Thunderstorms/Wind 81º / 73º 82% ENE 30 mph 81%
Sat
Oct 10 		Thunderstorms/Wind 79º / 74º 69% ENE 22 mph 84%
Sun
Oct 11 		Scattered Thunderstorms 81º / 77º 51% SSE 14 mph 76%
Mon
Oct 12 		Scattered Thunderstorms 81º / 77º 43% E 10 mph 77%

Weather Radar for Lonesome Bayou (Thomasin), LA See Radar

See Radar Map

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Lonesome Bayou (Thomasin), LA

Tonight
Low : 78ºF
NE wind around 10 kt. Showers and thunderstorms likely before 2am, then a chance of showers between 2am and 4am, then a chance of showers and thunderstorms after 4am. Seas 1 ft or less.
Tuesday
High : 80ºF
NE wind 10 to 20 kt. Showers and thunderstorms likely, then showers after 4pm. Seas 1 ft or less.
Tuesday Night
Low : 78ºF
ENE wind 15 to 20 kt. Showers likely before 1am, then a chance of showers after 2am. Seas 1 ft or less.
Wednesday
High : 83ºF
ENE wind around 20 kt. Showers likely, with thunderstorms also possible after 10am. Seas 1 ft or less.
Wednesday Night
Low : 79ºF
ENE wind around 20 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.
Thursday
High : 84ºF
ENE wind 20 to 25 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.
Thursday Night
Low : 78ºF
E wind 20 to 25 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.
Friday
High : 83ºF
E wind 25 to 30 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.
Friday Night
Low : 77ºF
ESE wind 30 to 35 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

NOAA Buoy Data Near Lonesome Bayou (Thomasin), LA See Map

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    Wind Speed Forecast for Lonesome Bayou (Thomasin), LA

    TuesdayWednesday
    Wind Speed (MPH) 121412141617171919202120
    1am5am9am1pm5pm9pm1am5am9am1pm5pm9pm
    MPH 121412141617171919202120
    DIR NENENENNENNENENENEENEENENENE

    Current Weather Conditions In Lonesome Bayou (Thomasin), LA

    As Of: 5 minutes ago

    • 79ºF
    • 85ºF
    • 12mph
    • 0º (NE)
    • 12mph
    • Light Rain
    • 7mi
    • 29.92"
    • 88%
    • 0ºF

    The weather right now in Lonesome Bayou (Thomasin), LA is Light Rain. The current temperature is 79°F, and the expected high and low for today, Monday, October 5, 2026, are -° high temperature and 77°F low temperature. The wind is currently blowing at 12 miles per hour, and coming from the Northeast. The wind is gusting to 12 mph. With the wind and the atmosphere the temperature feels like 85° Fahrenheit. Expected precipitation is 87 percent, with current humidity at 88 percent, and air pressure at 29.92 in. Visibility is 7 nautical miles. There are 2 current weather alert(s).

    Weather Alerts
    Marine Weather Statement - 6:42pm Mon Oct 5 2026

    The areas affected include...
    Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA
    out 20 nm...
    Coastal Waters from Southwest Pass of the Mississippi River to Port
    Fourchon LA out 20 nm...
    Coastal Waters from Boothville LA to Southwest Pass of the
    Mississippi River 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...

    * At 642 PM CDT, Doppler radar indicated strong thunderstorms,
    capable of producing winds to around 30 knots and weak waterspouts.
    These strong thunderstorms were located along a line from 11 NM
    south of Southwest Pass Of the Mississippi River to 42 NM south of
    Caillou Bay, or along a line from 11 NM south of Southwest Pass Of
    the Mississippi River to 42 NM southwest of Isle Derniers, and is
    stationary.

    Locations impacted include...
    Louisiana Offshore Oil Port and Southwest Pass Of the Mississippi
    River.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Mariners can expect gusty winds to around 30 knots, locally higher
    waves, and lightning strikes. Boaters should seek safe harbor
    immediately until these storms pass.

    &&

    TIME...MOT...LOC 2342Z 0DEG 0KT 2878 8932 2863 9013 2847 9122

    Small Craft Advisory - 1:47pm Mon Oct 5 2026

    ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM TUESDAY TO 3 AM CDT FRIDAY...

    WHAT: Northeast winds 20 to 30 kt and seas 6 to 9 ft expected.

    WHERE: Mississippi Sound, Chandeleur Sound, Breton Sound,
    Lake Borgne, and open Gulf waters east of the mouth of the
    Mississippi River.

    WHEN: From 7 AM Tuesday to 3 AM CDT Friday.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

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

    &&

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