Black Rock, Walrus Islands Tide Times
Black Rock, Walrus Islands runs a mean tidal range of about 5.6 ft. This month the highest water, 8.6 ft, comes on the morning of Aug 14, and the lowest, a -2.0 ft minus tide, on the evening of Aug 10.
Nearest gauge measuring live water level: Port Moller (9463502), about 189 mi away — high and low tides here run on average about 293 min later.
Monthly tide calendar
🌊 Biggest flood tides at Black Rock, Walrus Islands this month: Aug 10, Aug 11, Aug 12, Aug 13, Aug 14, Aug 15, Aug 16, Aug 22. 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 Black Rock, Walrus Islands this month: Aug 6, Aug 7, Aug 8, Aug 9, Aug 10, Aug 11, Aug 12, Aug 13, Aug 14, Aug 20. These drain the flats and expose the oyster rock — prime for sight-fishing and clamming.
Best fishing times (solunar)
Major and minor solunar windows for Black Rock, Walrus Islands — 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 🌗 | 7:04–9:04 AM 7:29–9:29 PM | 10:52–12:52 AM 3:59–5:59 PM | 32 |
| Thu Aug 6 🌗 | 8:01–10:01 AM 8:26–10:26 PM | — 5:45–7:45 PM | 42 |
| Fri Aug 7 🌗 | 9:02–11:02 AM 9:27–11:27 PM | 11:08–1:08 AM 7:24–9:24 PM | 55 |
| Sat Aug 8 🌘 | 10:06–12:06 PM 10:31–12:31 AM | 11:40–1:40 AM 8:36–10:36 PM | 68 |
| Sun Aug 9 🌘 | 11:11–1:11 PM 11:36–1:36 AM | 12:44–2:44 AM 9:14–11:14 PM | 78 |
| Mon Aug 10 🌘 | 12:13–2:13 PM 12:38–2:38 AM | 2:19–4:19 AM 9:32–11:32 PM | 86 |
| Tue Aug 11 🌘 | 1:11–3:11 PM 1:36–3:36 AM | 4:06–6:06 AM 9:41–11:41 PM | 92 |
Predictions & observations: NOAA CO-OPS station 9465182. Solunar windows computed from the moon's position for this location. Times shown in the station's local time. Not for navigation.
Open Black Rock, Walrus Islands on the live chart →
Set your own flood/low lines, moon & solunar, weather and live tides in the app — start a free TidalMap trial.