Grand Isle State Park fishing conditions · Louisiana

Today 12 pm to tomorrow 9 pmRed drum

The bite peaks at 75. Water is 73°, close to the 75° red drum like best, and a solunar period lands on the window.

Small Craft Advisory until Tuesday 7 am
Log a trip here
Right now: 66 for red drum, marginalTap or drag along the water to move through the next 36 hours

Red drum, hour by hour

Each float is an hour. The deeper it rides, the better the bite. The strip underneath runs daylight, dusk and dark; the red rule marks the best window. Click any hour to read it.

  1. 669 am
  2. 66
  3. 66
  4. 7012 pm
  5. 75
  6. 75
  7. 713 pm
  8. 71
  9. 71
  10. 756 pm
  11. 75
  12. 71
  13. 719 pm
  14. 71
  15. 71
  16. 71Tue
  17. 75
  18. 75
  19. 713 am
  20. 71
  21. 71
  22. 716 am
  23. 71
  24. 71
  25. 759 am
  26. 71
  27. 71
  28. 7112 pm
  29. 75
  30. 75
  31. 753 pm
  32. 71
  33. 71
  34. 716 pm
  35. 75
  36. 71
Go, 85+Worth the trip, 70+Marginal, 55+Sit it out

Right now

Water
73°F

Red drum range 65–85°

Wind
15 mph

From the northeast

Light
Daylight

Sunset 6:19 pm

Sky
Partly Sunny

No rain expected

Air
71°F

NWS hourly forecast

Barometer
Rising

Measured, last 3 hours

Moon
100% lit

Full

What’s biting

Each species is scored against its own water-temperature range and tide preference, then wind, weather and warnings. The rules are Louisiana regulations for these waters.

Red Drum

Red drum

Sciaenops ocellatus

75Worth the tripToday 12 pm to tomorrow 9 pm

Water

73°
55°65–85° · ideal 75°95°

Why

Right in red drum's ideal range. Red drum prefers incoming tide. Light chop — baitfish active, fish willing to feed. Holds 3–20 ft down.

Keep

18" minimum · 27" maximum · 4 a day

Open. Keep fish within the limits. 18–27" slot, 4/person/day; none over 27".

Verified Oct 21, 2026 · Louisiana

Season here: Jan–Nov, from this spot’s water-temperature record, 2023–2025. More on red drum

Spotted Seatrout

Spotted seatrout

Cynoscion nebulosus

75Worth the tripToday 12 pm to tomorrow 9 pm

Water

73°
50°60–85° · ideal 72°95°

Why

Right in spotted seatrout's ideal range. Spotted seatrout prefers incoming tide. Light chop — baitfish active, fish willing to feed. Holds 3–15 ft down.

Keep

13" minimum · 20" maximum · 15 a day

Open. Keep fish within the limits. 13–20" slot, 15/person/day (two over-slot allowed).

Verified Oct 21, 2026 · Louisiana

Season here: Jan–Nov, from this spot’s water-temperature record, 2023–2025. More on spotted seatrout

Black Drum

Black drum

Pogonias cromis

75Worth the tripToday 12 pm to tomorrow 9 pm

Water

73°
45°55–85° · ideal 72°95°

Why

Right in black drum's ideal range. Black drum prefers incoming tide. Light chop — baitfish active, fish willing to feed. Holds 2–40 ft down.

Keep

16" minimum · 27" maximum · 5 a day

Open. Keep fish within the limits. Louisiana: 16–27" slot, 5 a person a day; no more than 1 over 27".

Verified Oct 23, 2026 · Louisiana

Season here: Sep–May. More on black drum

Sheepshead

Sheepshead

Archosargus probatocephalus

55MarginalToday 1 pm to tomorrow 9 pm

Water

73°
50°60–82° · ideal 72°92°

Why

Right in sheepshead's ideal range. Light chop — baitfish active, fish willing to feed. Sheepshead prefers slack tide. Holds 5–40 ft down.

Keep

no daily limit

Open. Keep fish within the limits. Louisiana sets no recreational size or bag limit for sheepshead; open year-round in state waters.

Verified Oct 23, 2026 · Louisiana

Season here: Year-round, from this spot’s water-temperature record, 2023–2025. More on sheepshead

Southern Flounder

Southern flounder

Paralichthys lethostigma

–Not scoredOut of season

Out of seasonOut of season here today. Check the agency before fishing.

Water

73°
48°58–82° · ideal 70°92°

Why

Right in southern flounder's ideal range. Light chop — baitfish active, fish willing to feed. Southern flounder prefers outgoing tide. Holds 1–20 ft down.

Keep

10 a day

Out of season here today. Check the agency before fishing. No minimum size, 10/person/day. Closed Oct 15–Nov 30 in state waters.

Verified Oct 21, 2026 · Louisiana

Season here: Mar–Nov. More on southern flounder

The water

  • Water temperature73°F
  • Barometer30.25 inHg, rising

Sun, moon & solunar

  • Sunset today6:19 pm
  • Sunrise tomorrow7:08 am
  • MoonFull, 100% lit
  • Major solunarToday 12:00 pm–2:00 pm
  • Minor solunarTonight 6:00 pm–7:00 pm
  • Major solunarTonight 12:30 am–2:30 am

Solunar tables are a popular heuristic. A peer-reviewed test found they don’t predict catch on their own, so here they only nudge the score when the tide or moon already agree. How the score works

Fishing report

No current report covers these waters.

We only show reports an agency has published, with their date. Louisiana Wildlife & Fisheries has the state’s fishing pages.

Licenses and rules: Louisiana Wildlife & Fisheries · fish-consumption advisory

About this spot

The east end of Grand Isle, Louisiana's only inhabited barrier island, with Gulf surf on one side and Barataria Pass at the tip. Speckled trout and red drum in the surf and the pass, sheepshead and black drum on the rocks, and southern flounder (closed Oct 15–Nov 30).

Also a beach: swim conditions and water-quality advisories on itsabeachday.com.

Nearby

Public spots within 40 miles, with the same 36 hours of floats.

Delacroix (St. Bernard)36 mi · LouisianaBest today 12 pm to tomorrow 9 pm
100Go
Venice (Plaquemines)36 mi · LouisianaBest today 12 pm to tomorrow 9 pm
100Go

Questions people ask

Do I need a fishing license to fish at Grand Isle State Park?

Yes (anglers age 16 and older). To fish at Grand Isle State Park you need the appropriate state fishing license. See the agency's current rules: the state agency website

What fish are commonly targeted at Grand Isle State Park?

Grand Isle State Park is listed on this site for 5 commonly-targeted species: Red Drum, Spotted Seatrout, Southern Flounder, Sheepshead, and 1 more. Which species is currently in season and which is scoring highest today is shown in the per-species ranking on this page.

When is the best time to fish at Grand Isle State Park?

It depends more on the species and the day's conditions than on a fixed "best hour." Water temperature, weather, and — at tidal locations — the stage of the tide drive activity most. The per-species ranking on this page scores every target species at Grand Isle State Park against today's live conditions, so the fish near the top are your best bets right now; check back as conditions change through the day.

What kind of access does Grand Isle State Park have?

Grand Isle State Park has multiple access types — pier, shoreline, and at least one public boat ramp.

Which state's fishing regulations apply at Grand Isle State Park?

state agency regulations apply at Grand Isle State Park. Size limits, creel limits, and seasonal closures are listed per species on each species page. Always confirm against the agency source linked from each regulation block — emergency closures can take effect mid-season.

Is Grand Isle State Park tidal water?

Yes. Grand Isle State Park sits on tidal water with a NOAA tide station nearby. Today's high/low timing is in the tide chart on this page.