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Mermentau River, Grand Chenier Tide Times

Louisiana · Station 8767403 · Updated Sep 16, 2026

Mermentau River, Grand Chenier runs a mean tidal range of about 1.3 ft. This month the highest water, 2.5 ft, comes on the evening of Sep 29, and the lowest, a -0.0 ft minus tide, on the afternoon of Sep 30.

Nearest gauge measuring live water level: Calcasieu Pass (8768094), about 20 mi away, high and low tides here run on average about 33 min later.

Predictedno live gauge
Next low tide 1.6 ft at 2:06 AM
Low 1.6 ft · 2:06 AMHigh 1.8 ft · 5:18 AMLow 0.4 ft · 1:00 PMHigh 2.1 ft · 9:24 PM
Predicted
Today's tides
Low tide2:06 AM1.6 ft
High tide5:18 AM1.8 ft
Low tide1:00 PM0.4 ft
High tide9:24 PM2.1 ft

Monthly tide calendar

Flood & low finder

🌊 Biggest flood tides at Mermentau River, Grand Chenier this month: Sep 7, Sep 27, Sep 28, Sep 29, Sep 30. These spring highs push water up into the grass and over the oyster rock; prime for poling into flooded marsh for tailing reds.

🔻 Negative (minus) low tides at Mermentau River, Grand Chenier this month: Sep 7, Sep 30. These drain the flats and expose the oyster rock, prime for sight-fishing and clamming.

September 2026
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1L:1.2H:1.7L:0.3H:2.1
2L:1.4H:1.8L:0.1H:2.1
3🌗L:1.7H:1.9L:0.1H:2.1
4🌗L:0.1
5🌗H:2.2L:0.1
6🌗H:2.3L:0.0
7H:2.3L:-0.0
8H:2.3L:1.5H:1.8L:0.0
9H:2.2L:1.2H:1.9L:0.2
10H:2.1L:1.0H:2.0L:0.4
11🌑H:2.0L:0.8H:2.1L:0.7
12🌑H:1.9L:0.6H:2.1L:0.9
13🌑H:1.9L:0.5H:2.1
14L:1.2H:1.8L:0.4H:2.1
15L:1.4H:1.8L:0.4H:2.1
16L:1.6H:1.8L:0.4H:2.1
17L:1.7H:1.8L:0.4H:2.1
18🌓L:0.5
19🌓H:2.0L:0.6
20🌓H:2.1L:0.6
21🌓H:2.1L:0.6
22H:2.1L:1.5H:1.6L:0.5
23H:2.1L:1.4H:1.7L:0.6
24H:2.1L:1.1H:1.9L:0.7
25🌕H:2.0L:0.9H:2.1L:0.8
26🌕H:1.9L:0.7H:2.2L:1.0
27🌕H:1.9L:0.5H:2.3L:1.2
28🌕H:1.9L:0.2H:2.4
29L:1.5H:1.9L:0.1H:2.5
30L:1.7H:2.0L:-0.0H:2.5

Best fishing times (solunar)

Major and minor solunar windows for Mermentau River, Grand Chenier, peak feeding activity is around the moon overhead/underfoot (majors) and moonrise/moonset (minors). Score is the day's activity coefficient (0–100).

DayMajor windowsMinor windowsScore
Today 🌒4:30–6:30 PM
4:55–6:55 AM		11:23–1:23 PM
9:35–11:35 PM		68
Thu Sep 17 🌒5:20–7:20 PM
5:45–7:45 AM		12:19–2:19 PM
10:20–12:20 AM		56
Fri Sep 18 🌓6:11–8:11 PM
6:36–8:36 AM		1:11–3:11 PM
—		42
Sat Sep 19 🌓7:01–9:01 PM
7:26–9:26 AM		2:00–4:00 PM
11:11–1:11 AM		41
Sun Sep 20 🌓7:51–9:51 PM
8:16–10:16 AM		2:43–4:43 PM
12:05–2:05 AM		55
Mon Sep 21 🌓8:38–10:38 PM
9:03–11:03 AM		3:21–5:21 PM
1:02–3:02 AM		67
Tue Sep 22 🌔9:24–11:24 PM
9:49–11:49 AM		3:55–5:55 PM
2:00–4:00 AM		78

Predictions & observations: NOAA CO-OPS station 8767403. Solunar windows computed from the moon's position for this location. Times shown in the station's local time. Not for navigation.

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