Mermentau River, LA — Tides & Fishing

Mermentau River, Grand Chenier

Tide source: NOAA CO-OPS · fetched 10/21/2026, 6:33:53 AM CT

Heights relative to MLLW (Mean Lower Low Water).

Station location

29.7750, -93.0083

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Pick a day

Whole page updates · today through +14 · station-local

Live status

FALLING

Air

61°F

Wind

5 mph NE

Water

76°F

Pressure

1021 hPa

Water status

OCTOBER 21, 2026 AT 6:33 AM

Tide chart · ft MLLW

Now 6:33 AM · tide ~1.4 ft · falling

Tide High Low Now Night Major prime Minor prime

Fish activityVery highHighAverage— Low

Best fishing times today

Wednesday, October 21

★★★☆☆

Fair fishing day

Waxing Gibbous · 79% illuminated · Toward neap

Tide strength

43/49

Average · morning / afternoon

Windows

Minor2:17 AM – 3:17 AM
Major8:25 AM – 10:25 AM☀️ Prime
Minor3:25 PM – 4:25 PM
Major8:46 PM – 10:46 PM

Neap tides — smaller range than usual today

Quarter-phase moon means highs and lows sit closer together. Wind and water clarity often matter more than the table.

Wind

Open-Meteo · Mermentau River

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Weather

Open-Meteo

Temp

61°F

Wind

5 mph NE

Water

76°F

Pressure

1021 hPa

Throw this gear

Shop

Marsh staples worth a cast this week — same voice as the catch notes.

4-inch DieZel MinnowZ

Marsh-proven soft plastics for trout and reds.

View on Amazon →

3-inch orange Four Horsemen 5-pack

Classic cork presentation for skinny water.

View on Amazon →

Johnson gold spoon

Flash and thump when the water muddies up.

View on Amazon →

Knock-N lipless crankbait — Silverado

Rattle trap for stained marsh and wind-blown banks.

View on Amazon →

As an Amazon Associate, Go Limit Out earns from qualifying purchases. Prices and availability are on Amazon and may change.

Radar

RainViewer · Mermentau River

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Sun / moon / conditions

Sunrise

7:19 AM

Sunset

6:32 PM

Moon

Waxing Gibbous · 79%

Tide cycle

Toward neap

Tide schedule

Heights relative to MLLW · times station-local

MON, OCT 19, 2026

7:18 AM – 6:34 PMWaxing Gibbous 60%Neap

Fair fishing day

No extremes for this day

TUE, OCT 20, 2026

7:18 AM – 6:33 PMWaxing Gibbous 70%Neap

Fair fishing day

High tide1:24 AM2.1 ftMLLW
Low tide6:27 PM0.8 ftMLLW

WED, OCT 21, 2026Selected

7:19 AM – 6:32 PMWaxing Gibbous 79%Toward neap

Fair fishing day

High tide1:50 AM2.0 ftMLLW
Low tide8:17 AM1.3 ftMLLW
High tide1:17 PM1.5 ftMLLW
Low tide7:31 PM0.9 ftMLLW

THU, OCT 22, 2026

7:20 AM – 6:31 PMWaxing Gibbous 87%Toward neap

Fair fishing day

High tide2:07 AM2.0 ftMLLW
Low tide8:26 AM1.0 ftMLLW
High tide2:23 PM1.8 ftMLLW
Low tide8:21 PM0.9 ftMLLW

FRI, OCT 23, 2026

7:20 AM – 6:30 PMWaxing Gibbous 93%Toward neap

Fair fishing day

High tide2:16 AM1.9 ftMLLW
Low tide8:43 AM0.7 ftMLLW
High tide3:09 PM2.1 ftMLLW
Low tide9:05 PM1.1 ftMLLW

SAT, OCT 24, 2026

7:21 AM – 6:29 PMWaxing Gibbous 98%Spring

Good fishing day

High tide2:17 AM1.9 ftMLLW
Low tide9:02 AM0.4 ftMLLW
High tide3:52 PM2.3 ftMLLW
Low tide9:46 PM1.2 ftMLLW

SUN, OCT 25, 2026

7:22 AM – 6:29 PMFull Moon 100%Spring

Good fishing day

High tide2:17 AM1.9 ftMLLW
Low tide9:25 AM0.2 ftMLLW
High tide4:36 PM2.5 ftMLLW
Low tide10:28 PM1.4 ftMLLW

MON, OCT 26, 2026

7:23 AM – 6:28 PMFull Moon 100%Spring

Good fishing day

High tide2:23 AM1.9 ftMLLW
Low tide9:54 AM-0.09 ftMLLW
High tide5:25 PM2.6 ftMLLW
Low tide11:11 PM1.5 ftMLLW

TUE, OCT 27, 2026

7:23 AM – 6:27 PMWaning Gibbous 97%Spring

Good fishing day

High tide2:40 AM1.9 ftMLLW
Low tide10:30 AM-0.3 ftMLLW
High tide6:21 PM2.6 ftMLLW
Low tide11:55 PM1.7 ftMLLW

WED, OCT 28, 2026

7:24 AM – 6:26 PMWaning Gibbous 93%Toward neap

Fair fishing day

High tide3:05 AM2.0 ftMLLW
Low tide11:13 AM-0.4 ftMLLW
High tide7:23 PM2.6 ftMLLW

THU, OCT 29, 2026

7:25 AM – 6:25 PMWaning Gibbous 86%Toward neap

Fair fishing day

Low tide12:39 AM1.9 ftMLLW
High tide3:36 AM2.1 ftMLLW
Low tide12:01 PM-0.4 ftMLLW
High tide8:28 PM2.5 ftMLLW

FRI, OCT 30, 2026

7:26 AM – 6:24 PMWaning Gibbous 78%Toward neap

Fair fishing day

Low tide1:26 AM2.0 ftMLLW
High tide4:10 AM2.1 ftMLLW
Low tide12:54 PM-0.3 ftMLLW
High tide9:36 PM2.4 ftMLLW

SAT, OCT 31, 2026

7:26 AM – 6:24 PMWaning Gibbous 69%Neap

Fair fishing day

Low tide2:34 AM2.0 ftMLLW
High tide4:45 AM2.1 ftMLLW
Low tide1:55 PM-0.09 ftMLLW
High tide10:45 PM2.2 ftMLLW

SUN, NOV 1, 2026

6:27 AM – 5:23 PMWaning Gibbous 59%Neap

Fair fishing day

Low tide2:13 PM0.2 ftMLLW
High tide10:51 PM2.1 ftMLLW

MON, NOV 2, 2026

6:28 AM – 5:22 PMLast Quarter 48%Neap

Fair fishing day

Low tide3:51 PM0.5 ftMLLW
High tide11:42 PM2.0 ftMLLW

TUE, NOV 3, 2026

6:29 AM – 5:22 PMWaning Crescent 38%Neap

Fair fishing day

Low tide6:18 AM1.3 ftMLLW
High tide11:16 AM1.4 ftMLLW
Low tide5:17 PM0.7 ftMLLW

WED, NOV 4, 2026

6:30 AM – 5:21 PMWaning Crescent 28%Toward spring

Fair fishing day

High tide12:18 AM2.0 ftMLLW
Low tide6:40 AM0.9 ftMLLW
High tide1:06 PM1.6 ftMLLW
Low tide6:28 PM0.9 ftMLLW

THU, NOV 5, 2026

6:30 AM – 5:20 PMWaning Crescent 19%Toward spring

Fair fishing day

High tide12:43 AM1.9 ftMLLW
Low tide7:12 AM0.6 ftMLLW
High tide2:08 PM1.9 ftMLLW
Low tide7:26 PM1.0 ftMLLW

FRI, NOV 6, 2026

6:31 AM – 5:20 PMWaning Crescent 11%Toward spring

Fair fishing day

High tide12:58 AM1.8 ftMLLW
Low tide7:44 AM0.3 ftMLLW
High tide2:54 PM2.1 ftMLLW
Low tide8:15 PM1.1 ftMLLW

SAT, NOV 7, 2026

6:32 AM – 5:19 PMWaning Crescent 5%Toward spring

Fair fishing day

High tide1:07 AM1.8 ftMLLW
Low tide8:16 AM0.07 ftMLLW
High tide3:33 PM2.2 ftMLLW
Low tide9:00 PM1.2 ftMLLW

SUN, NOV 8, 2026

6:33 AM – 5:18 PMWaning Crescent 2%Spring

Good fishing day

High tide1:14 AM1.8 ftMLLW
Low tide8:45 AM-0.05 ftMLLW
High tide4:10 PM2.3 ftMLLW
Low tide9:43 PM1.3 ftMLLW

MON, NOV 9, 2026

6:34 AM – 5:18 PMNew Moon 0%Spring

Good fishing day

High tide1:23 AM1.7 ftMLLW
Low tide9:12 AM-0.10 ftMLLW
High tide4:46 PM2.3 ftMLLW
Low tide10:26 PM1.4 ftMLLW

TUE, NOV 10, 2026

6:34 AM – 5:17 PMNew Moon 100%Spring

Good fishing day

High tide1:34 AM1.7 ftMLLW
Low tide9:38 AM-0.1 ftMLLW
High tide5:25 PM2.3 ftMLLW
Low tide11:10 PM1.5 ftMLLW

WED, NOV 11, 2026

6:35 AM – 5:17 PMWaxing Crescent 4%Spring

Good fishing day

High tide1:49 AM1.7 ftMLLW
Low tide10:02 AM-0.1 ftMLLW
High tide6:10 PM2.2 ftMLLW
Low tide11:56 PM1.6 ftMLLW

THU, NOV 12, 2026

6:36 AM – 5:16 PMWaxing Crescent 9%Toward spring

Fair fishing day

High tide2:09 AM1.7 ftMLLW
Low tide10:29 AM-0.09 ftMLLW
High tide6:59 PM2.2 ftMLLW

FRI, NOV 13, 2026

6:37 AM – 5:16 PMWaxing Crescent 15%Toward spring

Fair fishing day

Low tide11:01 AM-0.06 ftMLLW
High tide7:49 PM2.1 ftMLLW

SAT, NOV 14, 2026

6:38 AM – 5:16 PMWaxing Crescent 24%Toward spring

Fair fishing day

Low tide11:36 AM0.02 ftMLLW
High tide8:40 PM2.0 ftMLLW

SUN, NOV 15, 2026

6:38 AM – 5:15 PMWaxing Crescent 33%Neap

Fair fishing day

Low tide12:15 PM0.2 ftMLLW
High tide9:30 PM1.9 ftMLLW

MON, NOV 16, 2026

6:39 AM – 5:15 PMWaxing Crescent 44%Neap

Fair fishing day

Low tide12:58 PM0.4 ftMLLW
High tide10:16 PM1.8 ftMLLW

TUE, NOV 17, 2026

6:40 AM – 5:14 PMFirst Quarter 54%Neap

Fair fishing day

Low tide1:54 PM0.6 ftMLLW
High tide10:54 PM1.7 ftMLLW

WED, NOV 18, 2026

6:41 AM – 5:14 PMWaxing Gibbous 65%Neap

Fair fishing day

Low tide6:13 AM1.1 ftMLLW
High tide9:52 AM1.1 ftMLLW
Low tide4:02 PM0.8 ftMLLW
High tide11:20 PM1.7 ftMLLW

Tide strength · 2026

Astronomical coefficient (~20–120). Higher = stronger springs worldwide — not the same as local height at Barataria tiny-tide spots.

Today · 2026-10-21

43/49

Average

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Neap

Spring