On This Water

Louisiana · Grand Isle / Barataria

Speckled trout should be the day — the surf and the park pier still fish; the bay wants current.

Louisiana’s inhabited barrier island. Caminada and Barataria, the state-park surf and pier, trout and reds in the bays. NOAA 8761724 sits on the island. Do not fish it like Venice — this is a bay-and-beach desk, not the birdfoot.

  • This brief is for 2027-03-21. No wind forecast that far out — score is tide, moon, and season. Not a copper day.
  • Tide · NOAA 8761724
  • NDBC GISL1 quiet
  • Salinity probe quiet or stale
  • No river gauge on this desk
  • Red-tide check failed — not all-clear
  • Sargassum check failed — not all-clear
  • Water temp quiet
7.8OF 10

Tide + moon

low confidence

Forecast brief for Sunday, March 21. Back to this morning

Morning line

Grand Isle 7.8 on Sunday, March 21 — tide, moon, and season only. No wind forecast that far out. YOLO day is Tuesday, August 25. Scores are 1–10, not a bite.

Mail it
-0.40.00.40.81.2LHLHLHLHSat 7 PMSun 7 PMMon 7 PMTue 7 PMWed 7 PM
high slack · 0.23 ft · drag or hover for the clockNOAA tide gauge 8761724 · Grand Isle · ft MLLW · not a weather buoy

Wind

NWS

NESWMPH

No wind reading

Buoy

NDBC GISL1

Quiet

Grand Isle did not report. Witness only — not the tide clock.

Sky

NWS

Sky not in

Sky not in

A 20% shower chance is not a cancel. A soaker is.

Moon

98% lit

Waxing gibbous

spring range · 98%

Water

No gauge

Water

48°92°

Today’s range 0.6 ft

high slack

0.23 ft MLLW

Coast

No live coast layer

Red-tide check failed. That is not all-clear — open the agency page before you wade.

Sargassum check failed. Not a GPS pin. Not all-clear.

Salinity / color
Barataria Pass at Grand Isle is quiet or stale. Not a color reading.

River

No gauge

No gauge

No USGS discharge gauge on this desk. Wind and the table still tell the color story.

Wind vs table

Observed − predicted

No live gauge this hour — the printed tide is the forecast.

Clock

NOAA 8761724

  • LowSun 8:29 AM · 0.23
  • HighSun 11:55 AM · 0.29
  • LowSun 4:28 PM · 0.13
  • HighMon 1:12 AM · 0.62
  • LowMon 5:24 AM · 0.48

Monthly YOLO day

Tuesday, August 25

Best remaining dry day this month with a real wind forecast. waxing gibbous · mid · tide range ~1.3 ft · wind to 5 mph · Thunderstorms · 83%

Next two weeks

Pulling the 14-day strip…

Where

This pip is that mark on this tide — not the day on the ring.

  • Surf access adjacent to Grand Isle. NO camping -

    sand dropoff · saved map · mid

    7.2

    Surf access adjacent to Grand Isle. NO camping - pair w/ GI SP. · camp-surf · GULF ATLAS! - FISH

    • sand dropoff on a high slack tide is a secondary match.
    • In-play: Speckled trout, Redfish, Black drum.
    structurespinwade
  • LA - Leeville / Golden Meadow

    mangrove edge · saved map · skinny

    7.2

    Bayou Lafourche marsh; launch at Leeville marinas. · flats · GULF ATLAS! - FISH

    • mangrove edge on a high slack tide is a secondary match.
    • In-play: Speckled trout, Redfish, Black drum.
    skiffkayakwadeflyspin
  • Caminada Pass

    pass jetty · public structure · deep

    6.6

    West end of the island. Current, trout, and a fall flounder sit. Not Venice.

    • pass jetty on a high slack tide is a secondary match.
    • In-play: Speckled trout, Redfish.
    skiffstructurespinwade
  • Grand Isle State Park

    sand dropoff · public structure · mid

    6.6

    State park surf and pier. NOAA 8761724 is on this island. Campground rules apply.

    • sand dropoff on a high slack tide is a secondary match.
    • In-play: Speckled trout, Redfish.
    structurewadespin
  • Barataria bayside

    marsh drain · public structure · mid

    6.4

    Island backside. Trout and reds on moving water. Birds are GPS.

    • marsh drain on a high slack tide is a secondary match.
    • In-play: Speckled trout, Redfish.
    skiffkayakflyspin

When

When is moving water in a good hour — not the day. First light and last light are named when the clock is the story. Today’s ring mixes the best mark, the lead fish, and the best window, then taxes the sky. A strong incoming can sit under a weak day if the wind or the fish is off. Calendar cells are a third recipe: range, moon, and the day’s forecast.

  • Outgoing water

    9.1

    Sun 2:00 PMSun 6:00 PM

    Water is moving, but the clock is against you — heat or dark.

  • Last light · incoming

    9.1

    Sun 6:00 PMMon 2:00 AM

    Last light on incoming water.

  • First light · outgoing

    9.1

    Mon 3:00 AMMon 7:00 PM

    First light on outgoing water.

  • Last light · incoming

    9.4

    Mon 9:00 PMTue 10:00 AM

    Last light on incoming water.

  • Last light · outgoing

    9.1

    Tue 1:00 PMTue 9:00 PM

    Last light on outgoing water.

Launch and beach access

Cited to LDWF ramp lists and Louisiana State Parks. Parish rules shift after a blow.

  • Grand Isle State Park

    Louisiana State Parks

    Campground, pier, surf. NOAA 8761724 is on this island.

    Official source

Legal water

No-take and closed water cited to the agency that owns it. Only the Keys box is FKNMS.

No FKNMS polygon in this box. Mainland Florida, Louisiana, Texas, Mexico, and the Bahamas are not Keys sanctuary closures.

Why — and who

  • Tide is high slack from NOAA 8761724 Grand Isle.
  • Waxing gibbous moon — spring tide range. Marsh and passes usually want the extra current of a spring.
  • USGS salinity well Barataria Pass at Grand Isle is quiet or stale — not all-clear, not a color reading.
  • No USGS discharge gauge on this desk. Wind and the tide table still tell the color story.

Black drum

Pogonias cromis

8.4

Thermal window

46°88°

In peak season for this water. This tide stage (high slack) matches how they hunt.

Louisiana: check LDWF coastal finfish before you keep a drum.

Redfish

Sciaenops ocellatus

7.3

Thermal window

48°92°

In peak season for this water.

Louisiana: 4/day, 18–27 in slot. None over 27. No harvest in federal waters. Charter captain/crew bag is zero. Verify LDWF.

Speckled trout

Cynoscion nebulosus

7.3

Thermal window

44°90°

In peak season for this water.

Louisiana: 15/day, 13–20 in slot, no more than two over 20. Charter captain/crew bag is zero. Verify LDWF.

Jack crevalle

Caranx hippos

3.7

Thermal window

64°94°

Bycatch and beach noise — not the reason you came. Off-season here.

Generally unregulated. Still, do not leave a pile.

Regs citedLDWF recreational saltwater · current LDWF coastal finfish · rolls in 7 days. Louisiana flounder is typically closed Oct 15–Nov 30. Verify LDWF the week you keep one.