TidalMap

Vaill Island Tide Times

Maine · Station 8417911 · Updated Aug 5, 2026

Vaill Island runs a mean tidal range of about 8.8 ft. This month the highest water, 11.0 ft, comes on the evening of Aug 12, and the lowest, a -1.1 ft minus tide, on the morning of Aug 13.

Nearest gauge measuring live water level: Portland (8418150), about 5 mi away — high and low tides here run on average about 3 min later.

Predictedno live gauge

Next high tide 9.7 ft at 4:38 PM

Predicted

Monthly tide calendar

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

🌊 Biggest flood tides at Vaill Island 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 Vaill Island 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:9.7L:0.0H:9.0L:0.8

2H:9.6L:0.0H:9.2L:0.7

3H:9.4L:0.1H:9.4L:0.5

4H:9.2L:0.3H:9.6L:0.5

5🌗H:8.9L:0.5H:9.7L:0.4

6🌗H:8.6L:0.7H:9.8L:0.4

7🌗H:8.4L:0.9H:9.9

8L:0.3H:8.2L:1.0H:10.0

9L:0.1H:8.3L:0.9H:10.2

10L:-0.2H:8.6L:0.6H:10.6

11L:-0.6H:9.0L:0.2H:10.8

12🌑L:-0.9H:9.4L:-0.1H:11.0

13🌑L:-1.1H:9.7L:-0.3

14🌑H:10.9L:-1.1H:10.0L:-0.4

15🌑H:10.6L:-0.8H:10.0L:-0.3

16H:10.2L:-0.4H:9.9L:-0.0

17H:9.6L:0.2H:9.7L:0.3

18H:9.0L:0.8H:9.4L:0.7

19🌓H:8.4L:1.3H:9.1L:1.1

20🌓H:7.9L:1.8H:8.8

21🌓L:1.4H:7.5L:2.1H:8.6

22🌓L:1.5H:7.4L:2.3H:8.6

23L:1.5H:7.5L:2.2H:8.7

24L:1.2H:7.7L:1.9H:9.0

25L:0.9H:8.0L:1.6H:9.3

26L:0.6H:8.3L:1.3H:9.5

27🌕L:0.3H:8.7L:0.9H:9.7

28🌕L:0.1H:9.0L:0.6

29🌕H:9.8L:-0.0H:9.3L:0.3

30H:9.8L:-0.1H:9.6L:0.0

31H:9.7L:-0.1H:9.9L:-0.1

Best fishing times (solunar)

Major and minor solunar windows for Vaill Island — 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 🌗	4:51–6:51 AM 5:16–7:16 PM	10:02–12:02 AM 12:25–2:25 PM	34
Thu Aug 6 🌗	5:46–7:46 AM 6:11–8:11 PM	10:40–12:40 AM 1:45–3:45 PM	40
Fri Aug 7 🌗	6:46–8:46 AM 7:11–9:11 PM	— 3:03–5:03 PM	53
Sat Aug 8 🌘	7:50–9:50 AM 8:15–10:15 PM	11:29–1:29 AM 4:14–6:14 PM	66
Sun Aug 9 🌘	8:54–10:54 AM 9:19–11:19 PM	12:31–2:31 AM 5:12–7:12 PM	76
Mon Aug 10 🌘	9:57–11:57 AM 10:22–12:22 AM	1:45–3:45 AM 5:58–7:58 PM	85
Tue Aug 11 🌘	10:56–12:56 PM 11:21–1:21 AM	3:04–5:04 AM 6:34–8:34 PM	92

Predictions & observations: NOAA CO-OPS station 8417911. 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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