Mermentau River, Grand Chenier Marine Forecast
Louisiana · 29.775°, -93.008° · National Weather Service
Next 24 hours
7-Day Marine Outlook
Wind, temperature, and conditions for Mermentau River, Grand Chenier.
About the marine forecast for Mermentau River, Grand Chenier
This is the National Weather Service forecast for Mermentau River, Grand Chenier (Louisiana), covering wind, wave height, temperature, and conditions over the coming week. Wind and seas are what make or break a day on the water, so start there. Remember that gusts, not the average, are what knock you around, and that wind blowing against the tide stacks the seas up steeper than the numbers suggest. Wave height here is the significant wave height, so some individual waves come through taller.
Planning a trip out of Mermentau River, Grand Chenier? Pair this with the Mermentau River, Grand Chenier tide chart so you've got the water and the weather in one look.
Frequently asked
What is the wind forecast for Mermentau River, Grand Chenier today?+
Today at Mermentau River, Grand Chenier, expect wind from the NW at 10 mph, with mostly clear. See the hourly breakdown above for how it changes through the day.
Where does this Mermentau River, Grand Chenier marine forecast come from?+
It's the official National Weather Service point forecast for Mermentau River, Grand Chenier's coordinates, covering wind, temperature, and conditions for the next 7 days. It's the same data marine forecasts are built on.
Is it a good day to go boating at Mermentau River, Grand Chenier?+
Check the wind first — it's what makes or breaks a day on the water — then the conditions and any advisories. Match the forecast to your boat and experience, tell someone your plan, and always leave yourself a way back.
See the wind on your chart
Pathr paints live wind, waves, and radar right on the Mermentau River, Grand Chenier chart, and routes you around the shallows. Free to try for two months on iOS.