Sea temperature in Grand Isle in Louisiana real-time sea temperature, 7-day forecast and historical data
Do you want to swim in the sea in Grand Isle in Louisiana today? First, check if the sea temperature is appropriate for swimming with our data that is updated daily, and our water temperature forecast in Grand Isle for the next few days.
Temperature of the sea in Grand Isle today
Currently, the sea water temperature in Grand Isle is at most:
72°F
(or 2° lower than the seasonal norm)
Other useful information about today's weather:
- Outside temperature: 72°F to 74°F
- Torrential rain shower
- The wind is blowing at 29.2mph
- Wave height is 5.9ft on average, and 4.6ft at most, with a frequency of a wave every 0.1 seconds.
- More details on the sea weather of Grand Isle page
This report was generated on 10/04/2021
7 day sea water temperature forecast in Grand Isle
Discover the weather forecast for the water temperature in Grand Isle for the next 7 days below. You will also find the 7-day forecast for outside temperature and wave height. For more details, hour by hour, see the chart below the listing.
Saturday 10 April 2021

sea temperature:
72°F
Wave height: 3.6ft to 5.9ft
Outside temperature: 72°F to 74°F
Sunday 11 April 2021

sea temperature:
72°F
Wave height: 2.6ft to 4.6ft
Outside temperature: 67°F to 74°F
Monday 12 April 2021

sea temperature:
72°F
Wave height: 2.3ft to 3ft
Outside temperature: 72°F
Tuesday 13 April 2021

sea temperature:
72°F
Wave height: 2ft to 3ft
Outside temperature: 72°F to 76°F
Wednesday 14 April 2021

sea temperature:
72°F
Wave height: 2ft to 2.3ft
Outside temperature: 72°F to 76°F
Thursday 15 April 2021

sea temperature:
72°F
Wave height: 2.6ft to 3.3ft
Outside temperature: 68°F to 70°F
Friday 16 April 2021

sea temperature:
72°F
Wave height: 2ft to 2.6ft
Outside temperature: 68°F to 70°F
Chart of water temperature variation over 7 days
History of water temperature in Grand Isle
We record the water temperature daily in Grand Isle In this way, we can provide you with the average sea temperature in Grand Isle over the last 12 months and a more detailed chart for recent months.
Monthly sea temperature averages over 12 months
- april 2021
- Average water temperature: 71°F (70°F to 72°F)
- march 2021
- Average water temperature: 68°F (65°F to 70°F)
- february 2021
- Average water temperature: 65°F (65°F)
- january 2021
- Average water temperature: 64°F (63°F to 65°F)
- december 2020
- Average water temperature: 68°F (65°F to 72°F)
- november 2020
- Average water temperature: 74°F (72°F to 77°F)
- october 2020
- Average water temperature: 79°F (77°F to 81°F)
- september 2020
- Average water temperature: 84°F (81°F to 86°F)
- august 2020
- Average water temperature: 87°F (85°F to 88°F)
- july 2020
- Average water temperature: 86°F (83°F to 86°F)
- june 2020
- Average water temperature: 83°F (81°F to 86°F)
- may 2020
- Average water temperature: 77°F (74°F to 81°F)