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Castine Tide Times

Maine · Station 8414672 · Updated Aug 5, 2026

Castine runs a mean tidal range of about 9.7 ft. This month the highest water, 12.1 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: Bar Harbor (8413320), about 29 mi away — high and low tides here run on average about 13 min later.

Predictedno live gauge
Next high tide 10.8 ft at 4:26 PM
Low 0.4 ft · 9:21 AMHigh 10.7 ft · 3:38 PMLow 0.6 ft · 9:52 PMHigh 10.0 ft · 4:02 AM
Predicted

Monthly tide calendar

Flood & low finder

🌊 Biggest flood tides at Castine this month: Aug 10, Aug 11, Aug 12, 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 Castine this month: Aug 10, Aug 11, Aug 12, Aug 13, Aug 14, Aug 15, Aug 16, Aug 30. 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:10.8L:0.2H:10.1L:1.0
2H:10.7L:0.2H:10.4L:0.8
3H:10.5L:0.3H:10.6L:0.7
4H:10.3L:0.4H:10.7L:0.6
5🌗H:10.0L:0.7H:10.8L:0.6
6🌗H:9.7L:0.9H:10.8L:0.5
7🌗H:9.4L:1.1H:10.9
8L:0.4H:9.3L:1.2H:11.0
9L:0.2H:9.4L:1.1H:11.3
10L:-0.2H:9.7L:0.7H:11.6
11L:-0.6H:10.2L:0.3H:11.9
12🌑L:-0.9H:10.6L:-0.0H:12.1
13🌑L:-1.1H:11.0L:-0.3
14🌑H:12.1L:-1.1H:11.2L:-0.3
15🌑H:11.8L:-0.8H:11.2L:-0.2
16H:11.3L:-0.3H:11.1L:0.0
17H:10.7L:0.2H:10.8L:0.4
18H:10.1L:0.9H:10.4L:0.8
19🌓H:9.4L:1.5H:10.0L:1.2
20🌓H:8.9L:2.0H:9.7
21🌓L:1.5H:8.5L:2.3H:9.5
22🌓L:1.6H:8.4L:2.4H:9.5
23L:1.5H:8.4L:2.3H:9.7
24L:1.3H:8.6L:2.0H:9.9
25L:1.0H:9.0L:1.7H:10.3
26L:0.7H:9.4L:1.3H:10.5
27🌕L:0.4H:9.8L:1.0H:10.8
28🌕L:0.2H:10.1L:0.7
29🌕H:10.9L:0.0H:10.5L:0.4
30H:10.9L:-0.0H:10.8L:0.2
31H:10.9L:0.0H:11.0L:0.0

Best fishing times (solunar)

Major and minor solunar windows for Castine — 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 🌗4:45–6:45 AM
5:10–7:10 PM
9:54–11:54 PM
12:22–2:22 PM
34
Thu Aug 6 🌗5:41–7:41 AM
6:06–8:06 PM
10:31–12:31 AM
1:42–3:42 PM
40
Fri Aug 7 🌗6:41–8:41 AM
7:06–9:06 PM

3:01–5:01 PM
53
Sat Aug 8 🌘7:44–9:44 AM
8:09–10:09 PM
11:20–1:20 AM
4:11–6:11 PM
66
Sun Aug 9 🌘8:49–10:49 AM
9:14–11:14 PM
12:22–2:22 AM
5:10–7:10 PM
76
Mon Aug 10 🌘9:52–11:52 AM
10:17–12:17 AM
1:36–3:36 AM
5:56–7:56 PM
85
Tue Aug 11 🌘10:51–12:51 PM
11:16–1:16 AM
2:56–4:56 AM
6:30–8:30 PM
92

Predictions & observations: NOAA CO-OPS station 8414672. 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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