Your Ultimate Boating Resource

HomeForecastsLouisiana ForecastsMermentau River, LA - Grand Chenier Marine Weather

Mermentau River, LA - Grand Chenier Marine Weather Forecast

Station CAPL1 - 8768094 - Calcasieu Pass, LA

June 13, 2026 5:48 pm CDT
Location: 29.768N 93.343W
Wind Direction: S (180°)
Wind Speed: 11.1 knots
Wind Gust: 15.0 knots


Tonight - 82°F
Jun 13, 2026
15 mph S
Mostly Clear
Mostly clear, with a low around 82. Heat index values as high as 98. South wind around 15 mph, with gusts as high as 20 mph.
Sunday - 87°F
Jun 14, 2026
10 to 15 mph S
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 87. Heat index values as high as 101. South wind 10 to 15 mph. Chance of precipitation is 20%.
Sunday Night - 82°F
Jun 14, 2026
10 to 15 mph S
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 11pm and 4am, then a slight chance of showers and thunderstorms between 4am and 5am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Heat index values as high as 100. South wind 10 to 15 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Monday - 86°F
Jun 15, 2026
10 to 15 mph S
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Heat index values as high as 98. South wind 10 to 15 mph. Chance of precipitation is 30%.
Monday Night - 80°F
Jun 15, 2026
10 mph S
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 80. South wind around 10 mph. Chance of precipitation is 70%.
Tuesday - 84°F
Jun 16, 2026
10 mph SW
Showers And Thunderstorms
Showers and thunderstorms before 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 84. Southwest wind around 10 mph. Chance of precipitation is 80%.
Tuesday Night - 80°F
Jun 16, 2026
10 to 15 mph S
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 80. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday - 86°F
Jun 17, 2026
15 to 20 mph S
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 86. South wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Wednesday Night - 82°F
Jun 17, 2026
20 to 25 mph S
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 82. South wind 20 to 25 mph. Chance of precipitation is 50%.
Thursday - 86°F
Jun 18, 2026
20 to 25 mph S
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Thursday Night - 82°F
Jun 18, 2026
20 to 25 mph S
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Chance of precipitation is 50%.
Juneteenth - 87°F
Jun 19, 2026
15 to 20 mph S
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Friday Night - 82°F
Jun 19, 2026
15 mph S
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 30%.
Saturday - 87°F
Jun 20, 2026
15 mph S
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Partly sunny, with a high near 87.

Don't Miss

Add us on Google to stay connected!
Add Us on Google