TidalMap
Explore this water on the live chart →

Chatham, Stage Harbor Tide Times

Massachusetts · Station 8447505 · Updated Aug 5, 2026

Chatham, Stage Harbor runs a mean tidal range of about 3.7 ft. This month the highest water, 5.3 ft, comes on the evening of Aug 11, and the lowest, a -0.0 ft minus tide, on the morning of Aug 12.

Nearest gauge measuring live water level: Chatham Harbor, Aunt Lydias Cove (8447435), about 2 mi away — high and low tides here run on average about 18 min earlier.

Predictedno live gauge
Next high tide 4.7 ft at 5:39 PM
High 4.1 ft · 4:23 AMLow 0.5 ft · 10:31 AMHigh 4.5 ft · 4:47 PMLow 0.3 ft · 11:06 PM
Predicted

Monthly tide calendar

Flood & low finder

🌊 Biggest flood tides at Chatham, Stage Harbor this month: Aug 7, Aug 8, 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 Chatham, Stage Harbor this month: Aug 12, Aug 13. 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:4.4L:0.5H:3.9L:0.7
2H:4.3L:0.4H:4.1L:0.6
3H:4.2L:0.4H:4.3L:0.4
4H:4.1L:0.5H:4.5L:0.3
5🌗H:3.9L:0.5H:4.7
6🌗L:0.3H:3.8L:0.6H:4.8
7🌗L:0.2H:3.6L:0.6H:5.0
8L:0.2H:3.6L:0.6H:5.1
9L:0.2H:3.6L:0.6H:5.2
10L:0.1H:3.7L:0.5H:5.2
11L:0.0H:3.9L:0.4H:5.3
12🌑L:-0.0H:4.1L:0.3
13🌑H:5.2L:-0.0H:4.3L:0.2
14🌑H:5.1L:0.0H:4.5L:0.2
15🌑H:4.9L:0.1H:4.6L:0.2
16H:4.6L:0.3H:4.6L:0.3
17H:4.3L:0.5H:4.6L:0.4
18H:4.0L:0.7H:4.5L:0.5
19🌓H:3.8L:0.8H:4.4
20🌓L:0.7H:3.6L:1.0H:4.3
21🌓L:0.8H:3.4L:1.1H:4.3
22🌓L:0.9H:3.3L:1.2H:4.3
23L:0.9H:3.3L:1.2H:4.3
24L:0.9H:3.3L:1.2H:4.3
25L:0.9H:3.4L:1.1H:4.3
26L:0.8H:3.5L:1.0H:4.4
27🌕L:0.7H:3.6L:0.9
28🌕H:4.4L:0.6H:3.8L:0.7
29🌕H:4.4L:0.6H:4.1L:0.5
30H:4.3L:0.5H:4.3L:0.3
31H:4.3L:0.5H:4.5L:0.2

Best fishing times (solunar)

Major and minor solunar windows for Chatham, Stage Harbor — 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		10:07–12:07 AM
12:19–2:19 PM		34
Thu Aug 6 🌗5:45–7:45 AM
6:10–8:10 PM		10:47–12:47 AM
1:37–3:37 PM		40
Fri Aug 7 🌗6:45–8:45 AM
7:10–9:10 PM		—
2:53–4:53 PM		53
Sat Aug 8 🌘7:49–9:49 AM
8:14–10:14 PM		11:37–1:37 AM
4:03–6:03 PM		66
Sun Aug 9 🌘8:54–10:54 AM
9:19–11:19 PM		12:40–2:40 AM
5:03–7:03 PM		76
Mon Aug 10 🌘9:57–11:57 AM
10:22–12:22 AM		1:53–3:53 AM
5:50–7:50 PM		85
Tue Aug 11 🌘10:56–12:56 PM
11:21–1:21 AM		3:11–5:11 AM
6:27–8:27 PM		92

Predictions & observations: NOAA CO-OPS station 8447505. Solunar windows computed from the moon's position for this location. Times shown in the station's local time. Not for navigation.

Open Chatham, Stage Harbor on the live chart →

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