TidalMap

Castle Hill Tide Times

Rhode Island · Station 8453201 · Updated Aug 5, 2026

Castle Hill runs a mean tidal range of about 3.1 ft. This month the highest water, 4.4 ft, comes on the evening of Aug 12, and the lowest, a -0.2 ft minus tide, on the afternoon of Aug 12.

Nearest gauge measuring live water level: Newport (8452660), about 3 mi away — high and low tides here run on average about 4 min later.

Predictedno live gauge

Next low tide 0.7 ft at 7:17 PM

Predicted

Monthly tide calendar

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

🌊 Biggest flood tides at Castle Hill this month: Aug 9, Aug 10, Aug 11, 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 Castle Hill this month: Aug 11, Aug 12, Aug 13, Aug 14, Aug 15, 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

1L:0.1H:3.4L:0.3H:3.5

2L:0.1H:3.5L:0.3H:3.4

3L:0.1H:3.5L:0.4H:3.2

4L:0.1H:3.6L:0.6

5🌗H:3.1L:0.2H:3.6L:0.7

6🌗H:3.0L:0.3H:3.7L:0.8

7🌗H:2.9L:0.3H:3.7L:0.7

8H:3.0L:0.3H:3.8L:0.5

9H:3.1L:0.2H:4.0

10L:0.3H:3.4L:0.0H:4.2

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

12🌑L:0.0H:4.0L:-0.2H:4.4

13🌑L:-0.1H:4.2L:-0.2H:4.3

14🌑L:-0.1H:4.3L:-0.1H:4.1

15🌑L:-0.1H:4.2L:0.1H:3.8

16L:0.0H:4.1L:0.3H:3.5

17L:0.2H:3.8L:0.6

18H:3.2L:0.4H:3.6L:0.8

19🌓H:2.9L:0.6H:3.3L:1.0

20🌓H:2.7L:0.8H:3.1L:1.1

21🌓H:2.5L:0.9H:3.0L:1.1

22🌓H:2.5L:0.9H:2.9L:1.0

23H:2.5L:0.8H:3.0L:0.8

24H:2.7L:0.7H:3.2

25L:0.6H:2.9L:0.5H:3.3

26L:0.4H:3.1L:0.3H:3.5

27🌕L:0.2H:3.4L:0.2H:3.6

28🌕L:0.1H:3.6L:0.1H:3.7

29🌕L:-0.0H:3.7L:0.1H:3.7

30L:-0.1H:3.8L:0.1H:3.6

31L:-0.1H:3.9L:0.2H:3.5

Best fishing times (solunar)

Major and minor solunar windows for Castle Hill — 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 🌗	4:56–6:56 AM 5:21–7:21 PM	10:14–12:14 AM 12:24–2:24 PM	34
Thu Aug 6 🌗	5:51–7:51 AM 6:16–8:16 PM	10:54–12:54 AM 1:42–3:42 PM	40
Fri Aug 7 🌗	6:51–8:51 AM 7:16–9:16 PM	— 2:58–4:58 PM	53
Sat Aug 8 🌘	7:55–9:55 AM 8:20–10:20 PM	11:44–1:44 AM 4:08–6:08 PM	66
Sun Aug 9 🌘	9:00–11:00 AM 9:25–11:25 PM	12:47–2:47 AM 5:08–7:08 PM	76
Mon Aug 10 🌘	10:02–12:02 PM 10:27–12:27 AM	1:59–3:59 AM 5:55–7:55 PM	85
Tue Aug 11 🌘	11:01–1:01 PM 11:26–1:26 AM	3:17–5:17 AM 6:32–8:32 PM	92

Predictions & observations: NOAA CO-OPS station 8453201. 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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