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Hercules, Refugio Landing Tide Times

California · Station 9415074 · Updated Aug 5, 2026

Hercules, Refugio Landing runs a mean tidal range of about 4.5 ft. This month the highest water, 7.3 ft, comes on the evening of Aug 10, and the lowest, a -0.9 ft minus tide, on the morning of Aug 11.

Nearest gauge measuring live water level: Chevron Oil Company Pier, Richmond (9414863), about 9 mi away — high and low tides here run on average about 57 min later.

Predictedno live gauge
Next high tide 6.4 ft at 6:19 PM
Low 1.1 ft · 12:30 AMHigh 4.1 ft · 6:29 AMLow 1.9 ft · 11:49 AMHigh 6.4 ft · 6:19 PMLow 0.7 ft · 1:41 AM
Predicted

Monthly tide calendar

Flood & low finder

🌊 Biggest flood tides at Hercules, Refugio Landing 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 Hercules, Refugio Landing this month: Aug 1, Aug 8, Aug 9, Aug 10, Aug 11, Aug 12, Aug 13, Aug 14, Aug 25, Aug 26, Aug 27. 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:5.9L:-0.1H:5.5L:1.9
2H:5.5L:0.3H:5.7L:1.7
3H:5.1L:0.7H:5.9L:1.4
4H:4.5L:1.3H:6.2
5🌗L:1.1H:4.1L:1.9H:6.4
6🌗L:0.7H:3.9L:2.4H:6.6
7🌗L:0.3H:4.1L:2.8H:6.8
8L:-0.1H:4.5L:2.9H:7.0
9L:-0.5H:4.8L:2.8H:7.2
10L:-0.8H:5.1L:2.5H:7.3
11L:-0.9H:5.3L:2.2
12🌑H:7.3L:-0.9H:5.6L:1.9
13🌑H:7.1L:-0.7H:5.8L:1.6
14🌑H:6.7L:-0.4H:5.9L:1.4
15🌑H:6.2L:0.1H:6.1L:1.2
16H:5.5L:0.7H:6.1L:1.1
17H:4.9L:1.3H:6.1L:1.0
18H:4.4L:1.9H:6.0
19🌓L:1.0H:4.1L:2.5H:5.9
20🌓L:0.9H:4.1L:2.9H:5.8
21🌓L:0.7H:4.4L:3.0H:5.8
22🌓L:0.5H:4.6L:3.0H:5.9
23L:0.3H:4.8L:2.8H:6.1
24L:0.1H:4.9L:2.6H:6.2
25L:-0.0H:5.0L:2.4H:6.3
26L:-0.1H:5.1L:2.2
27🌕H:6.3L:-0.1H:5.3L:1.9
28🌕H:6.2L:0.0H:5.5L:1.6
29🌕H:6.0L:0.2H:5.7L:1.3
30H:5.7L:0.6H:6.0L:1.0
31H:5.4L:1.0H:6.2L:0.8

Best fishing times (solunar)

Major and minor solunar windows for Hercules, Refugio Landing — 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 🌗5:27–7:27 AM
5:52–7:52 PM		10:53–12:53 AM
12:49–2:49 PM		33
Thu Aug 6 🌗6:23–8:23 AM
6:48–8:48 PM		—
2:04–4:04 PM		42
Fri Aug 7 🌗7:24–9:24 AM
7:49–9:49 PM		11:36–1:36 AM
3:18–5:18 PM		55
Sat Aug 8 🌘8:28–10:28 AM
8:53–10:53 PM		12:30–2:30 AM
4:27–6:27 PM		67
Sun Aug 9 🌘9:32–11:32 AM
9:57–11:57 PM		1:35–3:35 AM
5:25–7:25 PM		78
Mon Aug 10 🌘10:35–12:35 PM
11:00–1:00 AM		2:47–4:47 AM
6:13–8:13 PM		86
Tue Aug 11 🌘11:33–1:33 PM
11:58–1:58 AM		4:02–6:02 AM
6:52–8:52 PM		92

Predictions & observations: NOAA CO-OPS station 9415074. 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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