TidalMap

Boothbay Harbor Tide Times

Maine · Station 8416828 · Updated Aug 5, 2026

Boothbay Harbor runs a mean tidal range of about 8.7 ft. This month the highest water, 10.9 ft, comes on the evening of Aug 12, and the lowest, a -1.0 ft minus tide, on the morning of Aug 13.

Nearest gauge measuring live water level: Portland (8418150), about 33 mi away — high and low tides here run on average about 7 min earlier.

Predictedno live gauge

Next high tide 9.6 ft at 4:27 PM

Predicted

Monthly tide calendar

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

🌊 Biggest flood tides at Boothbay Harbor this month: Aug 9, Aug 10, Aug 11, Aug 12, 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 Boothbay Harbor 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:9.6L:0.0H:8.9L:0.8

2H:9.5L:0.0H:9.1L:0.6

3H:9.3L:0.1H:9.3L:0.5

4H:9.1L:0.2H:9.5L:0.4

5🌗H:8.8L:0.4H:9.6L:0.4

6🌗H:8.5L:0.7H:9.7L:0.4

7🌗H:8.3L:0.9H:9.8

8L:0.3H:8.2L:0.9H:9.9

9L:0.1H:8.2L:0.8H:10.1

10L:-0.2H:8.5L:0.6H:10.5

11L:-0.6H:8.9L:0.2H:10.7

12🌑L:-0.9H:9.3L:-0.1H:10.9

13🌑L:-1.0H:9.6L:-0.3

14🌑H:10.8L:-1.0H:9.8L:-0.4

15🌑H:10.5L:-0.8H:9.9L:-0.3

16H:10.1L:-0.4H:9.8L:-0.0

17H:9.5L:0.1H:9.6L:0.3

18H:8.9L:0.7H:9.3L:0.7

19🌓H:8.3L:1.3H:9.0L:1.0

20🌓H:7.8L:1.7H:8.7

21🌓L:1.3H:7.5L:2.0H:8.5

22🌓L:1.4H:7.3L:2.1H:8.5

23L:1.4H:7.4L:2.1H:8.7

24L:1.2H:7.6L:1.8H:8.9

25L:0.9H:7.9L:1.5H:9.2

26L:0.6H:8.2L:1.2H:9.4

27🌕L:0.3H:8.6L:0.9H:9.6

28🌕L:0.1H:8.9L:0.5

29🌕H:9.7L:-0.0H:9.2L:0.3

30H:9.7L:-0.1H:9.5L:0.0

31H:9.6L:-0.1H:9.8L:-0.1

Best fishing times (solunar)

Major and minor solunar windows for Boothbay 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 🌗	4:49–6:49 AM 5:14–7:14 PM	9:59–11:59 PM 12:24–2:24 PM	34
Thu Aug 6 🌗	5:44–7:44 AM 6:09–8:09 PM	10:37–12:37 AM 1:43–3:43 PM	40
Fri Aug 7 🌗	6:44–8:44 AM 7:09–9:09 PM	— 3:01–5:01 PM	53
Sat Aug 8 🌘	7:48–9:48 AM 8:13–10:13 PM	11:26–1:26 AM 4:12–6:12 PM	66
Sun Aug 9 🌘	8:52–10:52 AM 9:17–11:17 PM	12:28–2:28 AM 5:11–7:11 PM	76
Mon Aug 10 🌘	9:55–11:55 AM 10:20–12:20 AM	1:42–3:42 AM 5:57–7:57 PM	85
Tue Aug 11 🌘	10:54–12:54 PM 11:19–1:19 AM	3:01–5:01 AM 6:32–8:32 PM	92

Predictions & observations: NOAA CO-OPS station 8416828. 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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