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Sesuit Harbor, East Dennis Tide Times

Massachusetts · Station 8447241 · Updated Aug 5, 2026

Sesuit Harbor, East Dennis runs a mean tidal range of about 9.6 ft. This month the highest water, 11.8 ft, comes on the evening of Aug 12, and the lowest, a -1.2 ft minus tide, on the morning of Aug 13.

Nearest gauge measuring live water level: Chatham Harbor, Aunt Lydias Cove (8447435), about 11 mi away — high and low tides here run on average about 60 min earlier.

Predictedno live gauge
Next high tide 10.4 ft at 5:02 PM
High 9.9 ft · 3:47 AMLow 0.3 ft · 9:59 AMHigh 10.3 ft · 4:12 PMLow 0.3 ft · 10:30 PM
Predicted

Monthly tide calendar

Flood & low finder

🌊 Biggest flood tides at Sesuit Harbor, East Dennis this month: Aug 9, Aug 10, Aug 11, Aug 12, Aug 14, Aug 15, Aug 16. 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 Sesuit Harbor, East Dennis this month: Aug 9, Aug 10, Aug 11, Aug 12, Aug 13, Aug 14, Aug 15, Aug 16, Aug 17, Aug 30, Aug 31. 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:10.3L:0.1H:9.7L:0.7
2H:10.3L:0.1H:9.9L:0.5
3H:10.1L:0.2H:10.2L:0.4
4H:9.9L:0.3H:10.3L:0.3
5🌗H:9.6L:0.5H:10.4L:0.2
6🌗H:9.3L:0.8H:10.5
7🌗L:0.2H:9.1L:0.9H:10.7
8L:0.1H:9.0L:0.9H:10.9
9L:-0.1H:9.2L:0.7H:11.2
10L:-0.5H:9.5L:0.4H:11.5
11L:-0.8H:9.9L:0.0H:11.7
12🌑L:-1.1H:10.3L:-0.3H:11.8
13🌑L:-1.2H:10.7L:-0.6
14🌑H:11.8L:-1.2H:10.9L:-0.7
15🌑H:11.5L:-1.0H:11.0L:-0.6
16H:11.1L:-0.6H:10.9L:-0.3
17H:10.5L:-0.1H:10.7L:0.0
18H:9.9L:0.5H:10.3L:0.4
19🌓H:9.2L:1.0H:9.9L:0.8
20🌓H:8.7L:1.5H:9.5
21🌓L:1.2H:8.3L:1.9H:9.3
22🌓L:1.4H:8.0L:2.1H:9.2
23L:1.4H:8.0L:2.1H:9.3
24L:1.3H:8.2L:1.9H:9.5
25L:1.1H:8.4L:1.6H:9.8
26L:0.8H:8.8L:1.3H:10.0
27🌕L:0.5H:9.2L:0.9H:10.2
28🌕L:0.2H:9.6L:0.5
29🌕H:10.4L:0.0H:10.0L:0.2
30H:10.5L:-0.1H:10.4L:-0.1
31H:10.4L:-0.0H:10.7L:-0.3

Best fishing times (solunar)

Major and minor solunar windows for Sesuit Harbor, East Dennis — 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 🌗4:51–6:51 AM
5:16–7:16 PM		10:08–12:08 AM
12:20–2:20 PM		34
Thu Aug 6 🌗5:46–7:46 AM
6:11–8:11 PM		10:47–12:47 AM
1:38–3:38 PM		40
Fri Aug 7 🌗6:46–8:46 AM
7:11–9:11 PM		—
2:54–4:54 PM		53
Sat Aug 8 🌘7:50–9:50 AM
8:15–10:15 PM		11:38–1:38 AM
4:04–6:04 PM		66
Sun Aug 9 🌘8:54–10:54 AM
9:19–11:19 PM		12:40–2:40 AM
5:04–7:04 PM		76
Mon Aug 10 🌘9:57–11:57 AM
10:22–12:22 AM		1:53–3:53 AM
5:51–7:51 PM		85
Tue Aug 11 🌘10:56–12:56 PM
11:21–1:21 AM		3:11–5:11 AM
6:28–8:28 PM		92

Predictions & observations: NOAA CO-OPS station 8447241. 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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