Cape Porpoise Tide Times
Cape Porpoise runs a mean tidal range of about 8.5 ft. This month the highest water, 10.6 ft, comes on the evening of Aug 12, and the lowest, a -1.0 ft minus tide, on the morning of Aug 13.
Nearest gauge measuring live water level: Portland (8418150), about 22 mi away — high and low tides here run on average about 13 min later.
Monthly tide calendar
🌊 Biggest flood tides at Cape Porpoise this month: Aug 9, Aug 10, Aug 11, Aug 12, Aug 14, Aug 15. 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 Cape Porpoise this month: Aug 10, Aug 11, Aug 12, Aug 13, Aug 14, Aug 15, Aug 16, Aug 29, Aug 30, Aug 31. 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 Cape Porpoise — 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 🌗 | 4:52–6:52 AM 5:17–7:17 PM | 10:04–12:04 AM 12:26–2:26 PM | 34 |
| Thu Aug 6 🌗 | 5:47–7:47 AM 6:12–8:12 PM | 10:42–12:42 AM 1:45–3:45 PM | 40 |
| Fri Aug 7 🌗 | 6:47–8:47 AM 7:12–9:12 PM | — 3:03–5:03 PM | 53 |
| Sat Aug 8 🌘 | 7:51–9:51 AM 8:16–10:16 PM | 11:32–1:32 AM 4:13–6:13 PM | 66 |
| Sun Aug 9 🌘 | 8:56–10:56 AM 9:21–11:21 PM | 12:34–2:34 AM 5:12–7:12 PM | 76 |
| Mon Aug 10 🌘 | 9:59–11:59 AM 10:24–12:24 AM | 1:47–3:47 AM 5:58–7:58 PM | 85 |
| Tue Aug 11 🌘 | 10:58–12:58 PM 11:23–1:23 AM | 3:07–5:07 AM 6:34–8:34 PM | 92 |
Predictions & observations: NOAA CO-OPS station 8418772. 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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