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Sea temperatures, water sports and vacation activities near Grand Isle, United States

Water temperatures throughout the year and general information about Grand Isle...

Grand Isle is a beach in the United States. The water temperature around Grand Isle changes extremely throughout the year. The temperature ranges from 17.1°C (62.8°F) in January up to 30.8°C (87.5°F) in the month of August, as shown in the interactive table below. The average water temperature throughout the year is 24°C (75°F) and the best time for water activities is late summer, since Grand Isle is located in the northern hemisphere.

Hover over the bars to see temperature for each month in Celsius and Fahrenheit.

What is the current water temperature at Grand Isle?

The current water temperature in the month of October at Grand Isle is ca:
25°C (76°F)

Are there surf spots in close proximity to Grand Isle?

There are not many surf spots close to Grand Isle. The closest decent spot is Fourchon, which is just 17.6km (50.3miles) away from Grand Isle. Click here to check out more information on Fourchon and its water temperature. Other fun surfspots near Grand Isle are Chandeleur Islands, which is approximately 80.9km (50.3miles) away, and The Cross Pensacola Beach, located ca 184.8km (114.8miles) from Grand Isle.

Are there any other white sand beaches near Grand Isle?

There are some other nice beaches close to Grand Isle. The nearest one is Grand Isle State Park, which is just 2.3km (1.5miles) away from Grand Isle. Another gorgeous beach near Grand Isle is Shell Beach, which is roughly 46.4km (28.8miles) away.

What kind of wetsuit do I need for Grand Isle?

The sea temperature at Grand Isle is extremely warm, reaching up to 31°C (87°F) in the months of July, August, and September. During this time, in the late summer, a wetsuit is usually not needed for surfing, swimming, snorkelling, or diving at Grand Isle. Nevertheless, during winter, water temperatures cool down to 17°C (63°F). During this season, a 3/2 wetsuit might be recommended to feel comfortable, but some might even be fine with a jumpsuit or even a wetsuit top. For very chilly conditions and cold mornings/evenings, it might be better to carry a 4/3 wetsuit.

How is the diving and fishing close to Grand Isle?

Due to significant temperature changes throughout the year, diving and fishing conditions alter quite a bit depending on the time of the year. The temperature ranges from 17 to 22°C (63-72°F) during winter. Red Snapper, Skipjack Tuna, Striped Bass, and Weakfish can usually be found in waters of this temperature range. Nevertheless, the conditions change during summer when temperatures go up to 26 to 31°C (78-87°F). Fish that can frequently be found in waters of this temperature range include: Bonefish, Permit, Red Drum, and Tarpon.

Directions to Grand Isle: How do I get there?

Please follow the directions in the map below.

Fun facts about Grand Isle...

Do you know what the the city Las Marias in Puerto Rico, the city Barbatre in France, and the city Watangan in Indonesia have in common with Grand Isle? Click on the links to find out...