87°
Chance Showers And Thunderstorms
39%
34
Jefferson County, LA · Gulf of Mexico
Grand Isle State Park
Admiral Craik Drive, Grand Isle, LA 70358
Louisiana's only state park on the Gulf — a barrier-island park at the eastern tip of Grand Isle with a 400-foot fishing pier, beach camping, and a 2.5-mile nature trail through dune and marsh habitat.
Today's Conditions
Skip the beach today.
Thunderstorms · 87°F air
Full NWS forecast for This Afternoon
A chance of showers and thunderstorms before 5pm. Mostly cloudy. High near 87, with temperatures falling to around 85 in the afternoon. East wind around 15 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Tonight
A chance of showers and thunderstorms between midnight and 3am, then showers and thunderstorms likely. Partly cloudy, with a low around 81. East wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Weather
- 87°F air — ideal beach weather
- 39% rain — pop-up showers possible
Safety
- Thunderstorms — stay off the water when storms approach
34 /100
skip
45 Sunbathe
18 Walk
17 Fish
28 Photo
Best for sunbathing today
Atmosphere
Air Temp
87°F
Clear
Wind
15 mph
E
Rain
39%
This Afternoon
UV Peak
9 Very High
High 11 AM–02 PM · burn in ~22m
Burn-free before 09 AM & after 05 PM
Tomorrow
87°F
Showers And Thunderstorms Likely
Water
Water Temp
—
Sun & Moon
Sunrise
6:41 AM
Sunset
7:13 PM
Moon · 5%
Waning Crescent
Spring tides — bigger range
7-Day Beach Day Forecast
87°
Showers And Thunderstorms Likely
69%
21
87°
Showers And Thunderstorms
80%
16
87°
Showers And Thunderstorms Likely
73%
20
88°
Chance Showers And Thunderstorms
49%
34
88°
Chance Showers And Thunderstorms
30%
46
88°
Chance Showers And Thunderstorms
31%
45
What to Bring Today
- critical SPF 50 sunscreen UV index 9 — very high
- recommended Sturdy umbrella + sand anchor 15 mph wind
- optional Light cover-up, watch for pop-ups 39% rain chance
Always remember water bottle, trash bag (leave no trace).
Best Fishing Times Today
Solunar theory: fish activity peaks at moon transits (major) and moonrise/moonset (minor). All times local.
Major
10:30 PM - 12:30 AM
Minor
4:40 AM - 5:40 AM
Major
10:50 AM - 12:50 PM
Minor
6:00 PM - 7:00 PM
Beach Info
Parking
Day-use parking included with park admission.
Dogs
Dogs allowed on leash in the park but prohibited on the beach and in the water.
Entry Fee
$3 per person; free for seniors 62+ and children under 3.
Address
Admiral Craik Drive, Grand Isle, LA 70358
Amenities
Frequently Asked
Is it safe to swim at Grand Isle State Park today?
Grand Isle State Park shows a live water-quality reading (bacteria levels) and today's swim-safety score at the top of this page, refreshed on every update. No lifeguards are on duty, so check the day's conditions and swim with caution. Always review the current advisories, surf, and rip-current notes before getting in the water.
Is Grand Isle State Park dog-friendly?
Dogs allowed on leash in the park but prohibited on the beach and in the water.
Is there an entry fee at Grand Isle State Park?
$3 per person; free for seniors 62+ and children under 3.
Are there lifeguards at Grand Isle State Park?
No lifeguards are stationed at Grand Isle State Park. Swim at your own risk and keep close watch on children.
What amenities are at Grand Isle State Park?
Amenities at Grand Isle State Park include restrooms, showers, fishing pier, campground, RV hookups, nature trail, beach wheelchair, birdwatching.
When is the water warmest at Grand Isle State Park?
The Gulf of Mexico is bathwater-warm by mid-summer — 84-88°F is typical from July through September on the FL Gulf, TX coast, and AL/MS coast. Swimming comfortable from April through October on most of the Gulf.
Where is Grand Isle State Park located?
Grand Isle State Park is in Jefferson County, LA, at Admiral Craik Drive, Grand Isle, LA 70358.
Nearby Beaches
Updated · Data from NOAA, NWS