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Poponesset Island, Poponesset Bay Tide Times

Massachusetts · Station 8447742 · Updated Aug 5, 2026

Poponesset Island, Poponesset Bay runs a mean tidal range of about 2.2 ft. This month the highest water, 2.7 ft, comes on the morning of Aug 13, and the lowest, a -0.2 ft minus tide, on the morning of Aug 13.

Nearest gauge measuring live water level: Oceanographic Institution (8447930), about 12 mi away — high and low tides here run on average about 271 min later.

Predictedno live gauge
Next high tide 2.5 ft at 6:51 PM
Low 0.1 ft · 11:41 AMHigh 2.4 ft · 6:04 PMLow 0.1 ft · 12:12 AMHigh 2.3 ft · 6:29 AM
Predicted

Monthly tide calendar

Flood & low finder

🌊 Biggest flood tides at Poponesset Island, Poponesset Bay this month: Aug 9, Aug 10, Aug 12, Aug 13, 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 Poponesset Island, Poponesset Bay this month: Aug 10, Aug 11, Aug 12, Aug 13, Aug 14, Aug 15, Aug 16, 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:2.4L:0.0H:2.3L:0.2
2H:2.4L:0.1H:2.3L:0.2
3H:2.4L:0.1H:2.4L:0.1
4H:2.3L:0.1H:2.4
5🌗L:0.1H:2.3L:0.2H:2.5
6🌗L:0.1H:2.2L:0.2H:2.5
7🌗L:0.1H:2.1L:0.3H:2.5
8L:0.1H:2.1L:0.3H:2.5
9L:0.1H:2.1L:0.2H:2.6
10L:-0.0H:2.2L:0.2H:2.7
11L:-0.1H:2.3L:0.1
12🌑H:2.7L:-0.2H:2.4L:0.0
13🌑H:2.7L:-0.2H:2.5L:-0.0
14🌑H:2.7L:-0.2H:2.5L:-0.1
15🌑H:2.7L:-0.1H:2.5L:-0.0
16H:2.5L:-0.0H:2.5L:0.0
17H:2.4L:0.1H:2.5L:0.1
18H:2.3L:0.2H:2.4
19🌓L:0.2H:2.1L:0.4H:2.3
20🌓L:0.3H:2.0L:0.5H:2.2
21🌓L:0.4H:1.9L:0.5H:2.2
22🌓L:0.4H:1.9L:0.6H:2.2
23L:0.4H:1.9L:0.6H:2.2
24L:0.4H:2.0L:0.5H:2.3
25L:0.3H:2.0L:0.4
26H:2.3L:0.2H:2.1L:0.3
27🌕H:2.4L:0.1H:2.2L:0.2
28🌕H:2.5L:0.1H:2.3L:0.2
29🌕H:2.5L:0.0H:2.4L:0.1
30H:2.5L:0.0H:2.4L:0.0
31H:2.5L:0.0H:2.5L:-0.0

Best fishing times (solunar)

Major and minor solunar windows for Poponesset Island, Poponesset Bay — 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 🌗4:52–6:52 AM
5:17–7:17 PM		10:10–12:10 AM
12:21–2:21 PM		34
Thu Aug 6 🌗5:47–7:47 AM
6:12–8:12 PM		10:49–12:49 AM
1:38–3:38 PM		40
Fri Aug 7 🌗6:47–8:47 AM
7:12–9:12 PM		—
2:55–4:55 PM		53
Sat Aug 8 🌘7:51–9:51 AM
8:16–10:16 PM		11:40–1:40 AM
4:05–6:05 PM		66
Sun Aug 9 🌘8:56–10:56 AM
9:21–11:21 PM		12:42–2:42 AM
5:04–7:04 PM		76
Mon Aug 10 🌘9:59–11:59 AM
10:24–12:24 AM		1:55–3:55 AM
5:52–7:52 PM		85
Tue Aug 11 🌘10:58–12:58 PM
11:23–1:23 AM		3:13–5:13 AM
6:29–8:29 PM		92

Predictions & observations: NOAA CO-OPS station 8447742. 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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