TidalMap

San Martin Lake Channel Tide Times

Texas · Station 8779911 · Updated Jul 20, 2026

San Martin Lake Channel runs a mean tidal range of about 1.1 ft. This month the highest water, 1.5 ft, comes on the morning of Jul 12, and the lowest, a -0.8 ft minus tide, on the evening of Jul 12.

Nearest gauge measuring live water level: Port Isabel (8779770), about 7 mi away — high and low tides here run on average about 38 min later.

Predictedno live gauge

Next high tide 0.9 ft at 1:06 AM

Monthly tide calendar

Flood & low finder Flood tide ≥ ft Low tide ≤ ft

🌊 Biggest flood tides at San Martin Lake Channel this month: Jul 10, Jul 11, Jul 12, Jul 13, Jul 14, Jul 15, Jul 26, Jul 27. 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 San Martin Lake Channel this month: Jul 1, Jul 3, Jul 4, Jul 8, Jul 9, Jul 10, Jul 11, Jul 12, Jul 13, Jul 14, Jul 15, Jul 17 …. These drain the flats and expose the oyster rock — prime for sight-fishing and clamming.

July 2026

Sun

Mon

Tue

Wed

Thu

Fri

Sat

1🌕H:1.2L:-0.4

2H:1.2

3L:-0.3H:1.1

4L:-0.1H:1.0

5L:0.1H:0.9L:0.6H:0.6

6🌗L:0.3H:0.8L:0.4

7🌗H:0.7L:0.6H:0.8L:0.1

8🌗H:0.9L:-0.2

9🌗H:1.1L:-0.4

10H:1.3L:-0.6

11H:1.5L:-0.8

12H:1.5L:-0.8

13🌑H:1.5L:-0.8

14🌑H:1.4L:-0.7

15🌑H:1.3L:-0.5

16🌑H:1.1

17L:-0.2H:1.0L:0.9H:0.9

18L:0.1H:0.8L:0.6H:0.8

19L:0.4H:0.8L:0.4H:0.8

20L:0.7H:0.8L:0.2

21🌓H:0.9L:0.0

22🌓H:1.1L:-0.1

23🌓H:1.2L:-0.2

24🌓H:1.2L:-0.2

25H:1.3L:-0.3

26H:1.3L:-0.3

27H:1.3L:-0.3

28🌕H:1.3L:-0.3

29🌕H:1.2L:-0.2

30🌕H:1.2L:-0.1

31🌕H:1.1L:1.0H:1.0L:0.1

Best fishing times (solunar)

Major and minor solunar windows for San Martin Lake Channel — peak feeding activity is around the moon overhead/underfoot (majors) and moonrise/moonset (minors). Score is the day's activity coefficient (0–100).

Day	Major windows	Minor windows	Score
Today 🌒	6:53–8:53 PM 7:18–9:18 AM	1:03–3:03 PM 12:05–2:05 AM	54
Tue Jul 21 🌓	7:37–9:37 PM 8:02–10:02 AM	1:59–3:59 PM 12:36–2:36 AM	41
Wed Jul 22 🌓	8:23–10:23 PM 8:48–10:48 AM	2:55–4:55 PM 1:10–3:10 AM	41
Thu Jul 23 🌓	9:10–11:10 PM 9:35–11:35 AM	3:51–5:51 PM 1:46–3:46 AM	55
Fri Jul 24 🌓	10:00–12:00 AM 10:25–12:25 PM	4:47–6:47 PM 2:26–4:26 AM	68
Sat Jul 25 🌔	10:51–12:51 AM 11:16–1:16 PM	5:40–7:40 PM 3:11–5:11 AM	79
Sun Jul 26 🌔	— —	6:30–8:30 PM 4:01–6:01 AM	88

Predictions & observations: NOAA CO-OPS station 8779911. 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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