TidalMap

Sturgeon Island, Merrymeeting Bay Tide Times

Maine · Station 8417271 · Updated Aug 5, 2026

Sturgeon Island, Merrymeeting Bay runs a mean tidal range of about 5.2 ft. This month the highest water, 6.5 ft, comes on the morning of Aug 13, and the lowest, a -0.6 ft minus tide, on the morning of Aug 13.

Nearest gauge measuring live water level: Portland (8418150), about 30 mi away — high and low tides here run on average about 122 min later.

Predictedno live gauge

Next high tide 5.7 ft at 6:33 PM

Predicted

Monthly tide calendar

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

🌊 Biggest flood tides at Sturgeon Island, Merrymeeting Bay this month: Aug 9, Aug 10, Aug 12, Aug 13, 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 Sturgeon Island, Merrymeeting Bay this month: Aug 10, Aug 11, Aug 12, Aug 13, Aug 14, Aug 15, Aug 16, Aug 29, 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:5.7L:0.0H:5.3L:0.5

2H:5.7L:0.0H:5.4L:0.4

3H:5.6L:0.1H:5.6L:0.3

4H:5.4L:0.1H:5.7

5🌗L:0.3H:5.3L:0.3H:5.7

6🌗L:0.2H:5.1L:0.4H:5.8

7🌗L:0.2H:4.9L:0.5H:5.8

8L:0.2H:4.9L:0.6H:5.9

9L:0.1H:4.9L:0.5H:6.1

10L:-0.1H:5.1L:0.3H:6.3

11L:-0.3H:5.3L:0.1

12🌑H:6.4L:-0.5H:5.6L:-0.1

13🌑H:6.5L:-0.6H:5.8L:-0.2

14🌑H:6.5L:-0.6H:5.9L:-0.2

15🌑H:6.3L:-0.5H:5.9L:-0.2

16H:6.0L:-0.2H:5.9L:-0.0

17H:5.7L:0.1H:5.7L:0.2

18H:5.3L:0.4H:5.5

19🌓L:0.4H:5.0L:0.8H:5.4

20🌓L:0.6H:4.7L:1.0H:5.2

21🌓L:0.8H:4.5L:1.2H:5.1

22🌓L:0.9H:4.4L:1.3H:5.1

23L:0.8H:4.4L:1.2H:5.2

24L:0.7H:4.5L:1.1H:5.3

25L:0.5H:4.7L:0.9

26H:5.5L:0.3H:4.9L:0.7

27🌕H:5.6L:0.2H:5.1L:0.5

28🌕H:5.7L:0.1H:5.3L:0.3

29🌕H:5.8L:-0.0H:5.5L:0.2

30H:5.8L:-0.1H:5.7L:0.0

31H:5.7L:-0.0H:5.8L:-0.1

Best fishing times (solunar)

Major and minor solunar windows for Sturgeon Island, Merrymeeting Bay — 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	9:59–11:59 PM 12:25–2:25 PM	34
Thu Aug 6 🌗	5:45–7:45 AM 6:10–8:10 PM	10:37–12:37 AM 1:45–3:45 PM	40
Fri Aug 7 🌗	6:45–8:45 AM 7:10–9:10 PM	— 3:03–5:03 PM	53
Sat Aug 8 🌘	7:48–9:48 AM 8:13–10:13 PM	11:26–1:26 AM 4:14–6:14 PM	66
Sun Aug 9 🌘	8:53–10:53 AM 9:18–11:18 PM	12:28–2:28 AM 5:12–7:12 PM	76
Mon Aug 10 🌘	9:56–11:56 AM 10:21–12:21 AM	1:42–3:42 AM 5:58–7:58 PM	85
Tue Aug 11 🌘	10:55–12:55 PM 11:20–1:20 AM	3:02–5:02 AM 6:33–8:33 PM	92

Predictions & observations: NOAA CO-OPS station 8417271. 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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