Water temperature in Grand Isle (LA) in November
Is it warm enough to swim in Grand Isle in November? Average water temperature in Grand Isle in November is 70.9°F and therefore suitable for comfortable swimming. The warmest sea in Grand Isle in November is 79.9°F, and the coldest is 63°F. Average high air temperature in Grand Isle in November is 72°F, and average low temperature is 56°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Grand Isle
Changes water temperature in Grand Isle in November 2025, 2024
To get an accurate forecast for the water temperature in Grand Isle for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Grand Isle, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of November.
You can choose any other years:
| Day | 2025 | 2024 | Min | Max |
|---|---|---|---|---|
| November 1 | 72°F | 78.3°F | 71.6°F | 78.3°F |
| November 2 | 72.1°F | 77.5°F | 71.2°F | 77.5°F |
| November 3 | 70.7°F | 77.9°F | 70.7°F | 77.9°F |
| November 4 | 70.5°F | 78.3°F | 70.5°F | 78.3°F |
| November 5 | 69.8°F | 78.4°F | 69.8°F | 78.4°F |
| November 6 | 71.2°F | 79.5°F | 70.5°F | 79.5°F |
| November 7 | 72.9°F | 79.9°F | 69.1°F | 79.9°F |
| November 8 | 73.6°F | 78.8°F | 70°F | 78.8°F |
| November 9 | 73.6°F | 77.9°F | 68.2°F | 77.9°F |
| November 10 | 72.5°F | 77.4°F | 69.4°F | 77.4°F |
| November 11 | 70.5°F | 77.9°F | 69.6°F | 77.9°F |
| November 12 | 68.5°F | 77.4°F | 68.5°F | 77.4°F |
| November 13 | 68°F | 77.4°F | 68°F | 77.4°F |
| November 14 | 69.3°F | 76.8°F | 68.2°F | 76.8°F |
| November 15 | 69.6°F | 74.7°F | 68.4°F | 74.7°F |
| Day | 2025 | 2024 | Min | Max |
|---|---|---|---|---|
| November 16 | 71.1°F | 74.1°F | 68.4°F | 74.1°F |
| November 17 | 70.7°F | 74.3°F | 67.6°F | 74.3°F |
| November 18 | 73°F | 74.1°F | 67.6°F | 74.1°F |
| November 19 | 73.9°F | 74.8°F | 66°F | 74.8°F |
| November 20 | 73.9°F | 73.6°F | 66.6°F | 73.9°F |
| November 21 | 74.3°F | 71.8°F | 65.1°F | 74.3°F |
| November 22 | 75°F | 72.1°F | 65.7°F | 75°F |
| November 23 | 74.5°F | 70.3°F | 63°F | 74.5°F |
| November 24 | 75.2°F | 69.3°F | 63.3°F | 75.2°F |
| November 25 | 75.2°F | 70.2°F | 63.7°F | 75.2°F |
| November 26 | 74.7°F | 70°F | 65.7°F | 74.7°F |
| November 27 | 73°F | 70.7°F | 64.9°F | 73°F |
| November 28 | 71.1°F | 71.2°F | 65.1°F | 71.4°F |
| November 29 | 70.9°F | 71.1°F | 63.1°F | 71.1°F |
| November 30 | 68.7°F | 69.8°F | 64.4°F | 71.6°F |
Average water temperature in Grand Isle in November over a decade
| 2016 | 2017 | 2018 | 2019 | 2020 |
| 72.5°F | 71.4°F | 70°F | 68.7°F | 71.8°F |
| 2021 | 2022 | 2023 | 2024 | 2025 |
| 69.6°F | 71.4°F | 71.8°F | 74.8°F |
Grand Isle sea state in November
Chart comparing the height of waves in Grand Isle in November over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.
Weather and climate in Grand Isle in November
This data display average monthly climate indicators in Grand Isle in November based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip
- Average HIGH temperature72°F
- Average LOW temperature56°F
- Average rainfall86mm/3.4''
Grand Isle water temperature during other months:
You can also view information about water temperature for other months by clicking on the month button below
