TidalMap
Explore this water on the live chart →

Great Point Tide Times

Massachusetts · Station 8448566 · Updated Aug 5, 2026

Great Point runs a mean tidal range of about 2.9 ft. This month the highest water, 3.6 ft, comes on the morning of Aug 13, and the lowest, a -0.3 ft minus tide, on the morning of Aug 13.

Nearest gauge measuring live water level: Nantucket (8449130), about 7 mi away — high and low tides here run on average about 18 min earlier.

Predictedno live gauge
Next high tide 3.3 ft at 5:31 PM
Low 0.2 ft · 10:17 AMHigh 3.2 ft · 4:44 PMLow 0.2 ft · 10:48 PMHigh 3.0 ft · 5:09 AM
Predicted

Monthly tide calendar

Flood & low finder

🌊 Biggest flood tides at Great Point this month: Aug 9, Aug 10, Aug 11, 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 Great Point 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:3.3L:0.1H:3.0L:0.3
2H:3.2L:0.1H:3.1L:0.2
3H:3.2L:0.1H:3.2L:0.2
4H:3.1L:0.2H:3.2L:0.2
5🌗H:3.0L:0.2H:3.3L:0.2
6🌗H:2.9L:0.3H:3.3
7🌗L:0.2H:2.8L:0.3H:3.3
8L:0.1H:2.8L:0.4H:3.4
9L:0.1H:2.8L:0.3H:3.5
10L:-0.0H:2.9L:0.2H:3.5
11L:-0.1H:3.0L:0.1H:3.6
12🌑L:-0.2H:3.2L:0.0
13🌑H:3.6L:-0.3H:3.3L:-0.1
14🌑H:3.6L:-0.3H:3.3L:-0.1
15🌑H:3.5L:-0.2H:3.4L:-0.1
16H:3.4L:-0.1H:3.3L:0.0
17H:3.2L:0.1H:3.3L:0.1
18H:3.0L:0.3H:3.2L:0.3
19🌓H:2.8L:0.5H:3.1L:0.4
20🌓H:2.7L:0.6H:3.0
21🌓L:0.5H:2.6L:0.7H:2.9
22🌓L:0.5H:2.5L:0.8H:2.9
23L:0.5H:2.5L:0.7H:3.0
24L:0.5H:2.6L:0.7H:3.0
25L:0.4H:2.7L:0.6H:3.1
26L:0.3H:2.8L:0.4H:3.2
27🌕L:0.2H:2.9L:0.3
28🌕H:3.3L:0.1H:3.1L:0.2
29🌕H:3.3L:0.0H:3.2L:0.1
30H:3.3L:0.0H:3.3L:0.0
31H:3.3L:0.0H:3.3L:-0.0

Best fishing times (solunar)

Major and minor solunar windows for Great Point — 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 🌗4:50–6:50 AM
5:15–7:15 PM
10:08–12:08 AM
12:18–2:18 PM
34
Thu Aug 6 🌗5:46–7:46 AM
6:11–8:11 PM
10:48–12:48 AM
1:36–3:36 PM
40
Fri Aug 7 🌗6:46–8:46 AM
7:11–9:11 PM

2:52–4:52 PM
53
Sat Aug 8 🌘7:49–9:49 AM
8:14–10:14 PM
11:39–1:39 AM
4:02–6:02 PM
66
Sun Aug 9 🌘8:54–10:54 AM
9:19–11:19 PM
12:42–2:42 AM
5:02–7:02 PM
76
Mon Aug 10 🌘9:57–11:57 AM
10:22–12:22 AM
1:54–3:54 AM
5:49–7:49 PM
85
Tue Aug 11 🌘10:56–12:56 PM
11:21–1:21 AM
3:12–5:12 AM
6:27–8:27 PM
92

Predictions & observations: NOAA CO-OPS station 8448566. Solunar windows computed from the moon's position for this location. Times shown in the station's local time. Not for navigation.

Open Great Point on the live chart →

Set your own flood/low lines, moon & solunar, weather and live tides in the app — start a free TidalMap trial.