TidalMap

Wychmere Harbor Tide Times

Massachusetts · Station 8447506 · Updated Aug 5, 2026

Wychmere Harbor runs a mean tidal range of about 3.6 ft. This month the highest water, 4.4 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: Chatham Harbor, Aunt Lydias Cove (8447435), about 6 mi away — high and low tides here run on average about 24 min earlier.

Predictedno live gauge

Next high tide 4.0 ft at 5:40 PM

Predicted

Monthly tide calendar

Flood & low finder Flood tide ≥ ft Low tide ≤ ft

🌊 Biggest flood tides at Wychmere Harbor 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 Wychmere Harbor 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:4.0L:0.1H:3.7L:0.3

2H:3.9L:0.1H:3.8L:0.3

3H:3.9L:0.1H:3.9L:0.2

4H:3.8L:0.2H:4.0L:0.2

5🌗H:3.7L:0.3H:4.0L:0.2

6🌗H:3.6L:0.4H:4.0

7🌗L:0.2H:3.5L:0.4H:4.1

8L:0.2H:3.4L:0.4H:4.1

9L:0.1H:3.4L:0.4H:4.2

10L:-0.0H:3.5L:0.3H:4.3

11L:-0.2H:3.7L:0.1H:4.4

12🌑L:-0.3H:3.9L:0.0

13🌑H:4.4L:-0.3H:4.0L:-0.1

14🌑H:4.4L:-0.3H:4.1L:-0.1

15🌑H:4.3L:-0.2H:4.1L:-0.1

16H:4.1L:-0.1H:4.1L:0.0

17H:3.9L:0.1H:4.0L:0.2

18H:3.7L:0.4H:3.9L:0.3

19🌓H:3.5L:0.6H:3.7L:0.5

20🌓H:3.3L:0.8H:3.6

21🌓L:0.6H:3.1L:0.9H:3.6

22🌓L:0.7H:3.1L:0.9H:3.5

23L:0.6H:3.1L:0.9H:3.6

24L:0.6H:3.2L:0.8H:3.7

25L:0.5H:3.3L:0.7H:3.8

26L:0.3H:3.4L:0.5H:3.9

27🌕L:0.2H:3.6L:0.4

28🌕H:4.0L:0.1H:3.7L:0.2

29🌕H:4.0L:0.0H:3.9L:0.1

30H:4.0L:0.0H:4.0L:0.0

31H:4.0L:0.0H:4.1L:-0.0

Best fishing times (solunar)

Major and minor solunar windows for Wychmere Harbor — 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 🌗	4:50–6:50 AM 5:15–7:15 PM	10:08–12:08 AM 12:19–2:19 PM	34
Thu Aug 6 🌗	5:46–7:46 AM 6:11–8:11 PM	10:47–12:47 AM 1:37–3:37 PM	40
Fri Aug 7 🌗	6:46–8:46 AM 7:11–9:11 PM	— 2:54–4:54 PM	53
Sat Aug 8 🌘	7:49–9:49 AM 8:14–10:14 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 5:03–7:03 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 6:28–8:28 PM	92

Predictions & observations: NOAA CO-OPS station 8447506. 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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