TidalMap

Newark Slough Tide Times

California · Station 9414506 · Updated Aug 5, 2026

Newark Slough runs a mean tidal range of about 6.5 ft. This month the highest water, 9.6 ft, comes on the evening of Aug 10, and the lowest, a -1.0 ft minus tide, on the morning of Aug 11.

Nearest gauge measuring live water level: Redwood City, Wharf 5 (9414523), about 7 mi away — high and low tides here run on average about 36 min later.

Predictedno live gauge

Next high tide 8.7 ft at 6:15 PM

Predicted

Monthly tide calendar

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

🌊 Biggest flood tides at Newark Slough this month: Aug 7, Aug 8, Aug 9, Aug 10, Aug 12, Aug 13, Aug 14. 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 Newark Slough this month: Aug 8, Aug 9, 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:8.2L:0.0H:7.8L:2.4

2H:7.9L:0.4H:8.0L:2.1

3H:7.4L:1.0H:8.2L:1.7

4H:6.9L:1.6H:8.5

5🌗L:1.4H:6.5L:2.3H:8.7

6🌗L:1.0H:6.3L:2.9H:8.8

7🌗L:0.5H:6.5L:3.3H:9.0

8L:-0.0H:6.9L:3.5H:9.2

9L:-0.5H:7.2L:3.4H:9.4

10L:-0.8H:7.5L:3.1H:9.6

11L:-1.0H:7.7L:2.7

12🌑H:9.5L:-1.0H:7.9L:2.3

13🌑H:9.3L:-0.7H:8.1L:2.0

14🌑H:9.0L:-0.3H:8.2L:1.7

15🌑H:8.4L:0.2H:8.4L:1.5

16H:7.9L:0.9H:8.4L:1.4

17H:7.3L:1.6H:8.4

18L:1.3H:6.8L:2.4H:8.3

19🌓L:1.2H:6.5L:3.0H:8.2

20🌓L:1.1H:6.5L:3.5H:8.1

21🌓L:0.9H:6.7L:3.7H:8.1

22🌓L:0.7H:7.0L:3.6H:8.2

23L:0.5H:7.1L:3.4H:8.4

24L:0.3H:7.2L:3.2H:8.5

25L:0.1H:7.3L:2.9H:8.6

26L:0.0H:7.5L:2.6

27🌕H:8.6L:0.0H:7.6L:2.3

28🌕H:8.5L:0.1H:7.8L:2.0

29🌕H:8.3L:0.4H:8.0L:1.6

30H:8.1L:0.8H:8.3L:1.3

31H:7.7L:1.3H:8.5L:1.0

Best fishing times (solunar)

Major and minor solunar windows for Newark Slough — 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 🌗	5:26–7:26 AM 5:51–7:51 PM	10:53–12:53 AM 12:47–2:47 PM	33
Thu Aug 6 🌗	6:22–8:22 AM 6:47–8:47 PM	— 2:02–4:02 PM	42
Fri Aug 7 🌗	7:23–9:23 AM 7:48–9:48 PM	11:37–1:37 AM 3:16–5:16 PM	55
Sat Aug 8 🌘	8:27–10:27 AM 8:52–10:52 PM	12:31–2:31 AM 4:24–6:24 PM	67
Sun Aug 9 🌘	9:31–11:31 AM 9:56–11:56 PM	1:36–3:36 AM 5:23–7:23 PM	78
Mon Aug 10 🌘	10:34–12:34 PM 10:59–12:59 AM	2:48–4:48 AM 6:11–8:11 PM	86
Tue Aug 11 🌘	11:32–1:32 PM 11:57–1:57 AM	4:03–6:03 AM 6:50–8:50 PM	92

Predictions & observations: NOAA CO-OPS station 9414506. 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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