TidalMap

Collinsville Tide Times

California · Station 9415176 · Updated Aug 5, 2026

Collinsville runs a mean tidal range of about 2.8 ft. This month the highest water, 4.6 ft, comes on the morning of Aug 11, and the lowest, a -0.2 ft minus tide, on the morning of Aug 12.

Nearest gauge measuring live water level: Port Chicago, Suisun Bay (9415144), about 10 mi away — high and low tides here run on average about 75 min later.

Predictedno live gauge

Next high tide 4.2 ft at 8:21 PM

Predicted

Monthly tide calendar

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

🌊 Biggest flood tides at Collinsville this month: Aug 5, Aug 6, Aug 7, Aug 8, Aug 10, Aug 11, Aug 12, Aug 13. 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 Collinsville this month: Aug 1, Aug 10, Aug 11, Aug 12, Aug 13, Aug 14. These drain the flats and expose the oyster rock — prime for sight-fishing and clamming.

August 2026

Sun

Mon

Tue

Wed

Thu

Fri

Sat

1H:3.8L:-0.0H:3.5

2L:1.2H:3.6L:0.1H:3.6

3L:1.1H:3.3L:0.3H:3.8

4L:1.0H:3.0L:0.6H:4.1

5🌗L:0.9H:2.7L:1.0H:4.2

6🌗L:0.8H:2.6L:1.4H:4.4

7🌗L:0.6H:2.7L:1.7H:4.5

8L:0.4H:2.9L:1.9H:4.5

9L:0.1H:3.1L:2.0

10H:4.6L:-0.1H:3.3L:1.9

11H:4.6L:-0.2H:3.4L:1.7

12🌑H:4.6L:-0.2H:3.5L:1.4

13🌑H:4.4L:-0.2H:3.6L:1.2

14🌑H:4.2L:-0.0H:3.7L:1.0

15🌑H:3.9L:0.2H:3.7

16L:0.9H:3.6L:0.4H:3.8

17L:0.8H:3.2L:0.7H:3.8

18L:0.7H:2.9L:1.0H:3.8

19🌓L:0.7H:2.8L:1.4H:3.8

20🌓L:0.6H:2.7L:1.7H:3.8

21🌓L:0.5H:2.9L:1.9H:3.8

22🌓L:0.3H:3.0L:2.0H:3.8

23L:0.2H:3.2L:2.0

24H:3.9L:0.1H:3.3L:1.8

25H:3.9L:0.0H:3.3L:1.7

26H:3.9L:0.0H:3.4L:1.5

27🌕H:3.9L:0.1H:3.4L:1.3

28🌕H:3.9L:0.1H:3.4L:1.1

29🌕H:3.7L:0.2H:3.6L:0.9

30H:3.6L:0.4H:3.8L:0.7

31H:3.4L:0.6H:4.0

Best fishing times (solunar)

Major and minor solunar windows for Collinsville — 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 🌗	5:25–7:25 AM 5:50–7:50 PM	10:51–12:51 AM 12:48–2:48 PM	33
Thu Aug 6 🌗	6:21–8:21 AM 6:46–8:46 PM	— 2:03–4:03 PM	42
Fri Aug 7 🌗	7:22–9:22 AM 7:47–9:47 PM	11:34–1:34 AM 3:17–5:17 PM	55
Sat Aug 8 🌘	8:26–10:26 AM 8:51–10:51 PM	12:28–2:28 AM 4:25–6:25 PM	67
Sun Aug 9 🌘	9:30–11:30 AM 9:55–11:55 PM	1:33–3:33 AM 5:24–7:24 PM	78
Mon Aug 10 🌘	10:33–12:33 PM 10:58–12:58 AM	2:45–4:45 AM 6:12–8:12 PM	86
Tue Aug 11 🌘	11:31–1:31 PM 11:56–1:56 AM	4:00–6:00 AM 6:50–8:50 PM	92

Predictions & observations: NOAA CO-OPS station 9415176. 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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