Block Island (Old Harbor) Monthly Table
The tidal range at Block Island (Old Harbor) for the month of September, 2026 is approximately 4.05 ft with a minimum tide of -0.21 ft and maximum tide of 3.84 ft. Below is a combined tide table and solunar table. Today is highlighted in green. You
can click or tap a particular row to see the details for that day. Or, you can
see today’s tide and fishing time details on the Day tab.
▲ Blue = High Tide
▼ Red = Low Tide
| Day | Moon phase | 1st Tide | 2nd Tide | 3rd Tide | 4th Tide | ☀ Sun |
Major Solunars
|
Minor Solunars
|
|---|---|---|---|---|---|---|---|---|
| 1 Tue |
84%
|
▼ -0.01 ft |
▲ 3.52 ft |
▼ 0.36 ft |
▲ 2.9 ft |
▲ 6:13 AM ▼ 7:19 PM |
2:48 AM → 4:48 AM 3:08 PM → 5:08 PM |
10:34 AM → 11:34 AM 8:43 PM → 9:43 PM |
| 2 Wed |
75%
|
▼ 0.08 ft |
▲ 3.46 ft |
▼ 0.5 ft |
▲ 6:14 AM ▼ 7:17 PM |
3:40 AM → 5:40 AM 4:03 PM → 6:03 PM |
11:48 AM → 12:48 PM 9:18 PM → 10:18 PM |
|
| 3 Thu |
65%
|
▲ 2.75 ft |
▼ 0.21 ft |
▲ 3.37 ft |
▼ 0.61 ft |
▲ 6:15 AM ▼ 7:16 PM |
4:36 AM → 6:36 AM 5:02 PM → 7:02 PM |
1:02 PM → 2:02 PM 10:03 PM → 11:03 PM |
| 4 Fri |
50%
|
▲ 2.64 ft |
▼ 0.33 ft |
▲ 3.28 ft |
▼ 0.62 ft |
▲ 6:16 AM ▼ 7:14 PM |
5:36 AM → 7:36 AM 6:06 PM → 8:06 PM |
2:13 PM → 3:13 PM 10:59 PM → 11:59 PM |
| 5 Sat |
42%
|
▲ 2.6 ft |
▼ 0.4 ft |
▲ 3.25 ft |
▼ 0.52 ft |
▲ 6:17 AM ▼ 7:12 PM |
6:39 AM → 8:39 AM 7:11 PM → 9:11 PM |
3:16 PM → 4:16 PM |
| 6 Sun |
31%
|
▲ 2.67 ft |
▼ 0.37 ft |
▲ 3.31 ft |
▼ 0.35 ft |
▲ 6:18 AM ▼ 7:11 PM |
7:42 AM → 9:42 AM 8:15 PM → 10:15 PM |
12:06 AM → 1:06 AM 4:09 PM → 5:09 PM |
| 7 Mon |
21%
|
▲ 2.86 ft |
▼ 0.22 ft |
▲ 3.45 ft |
▲ 6:19 AM ▼ 7:09 PM |
8:42 AM → 10:42 AM 9:15 PM → 11:15 PM |
1:21 AM → 2:21 AM 4:51 PM → 5:51 PM |
|
| 8 Tue |
12%
|
▼ 0.16 ft |
▲ 3.15 ft |
▼ 0.04 ft |
▲ 3.59 ft |
▲ 6:20 AM ▼ 7:07 PM |
9:38 AM → 11:38 AM 10:09 PM → 12:09 AM |
2:39 AM → 3:39 AM 5:24 PM → 6:24 PM |
| 9 Wed |
6%
|
▼ -0.01 ft |
▲ 3.43 ft |
▼ -0.1 ft |
▲ 3.67 ft |
▲ 6:21 AM ▼ 7:05 PM | 10:30 AM → 12:30 PM |
3:55 AM → 4:55 AM 5:52 PM → 6:52 PM |
| 10 Thu |
0%
|
▼ -0.14 ft |
▲ 3.66 ft |
▼ -0.18 ft |
▲ 3.66 ft |
▲ 6:22 AM ▼ 7:04 PM |
11:00 PM → 1:00 AM 11:19 AM → 1:19 PM |
5:09 AM → 6:09 AM 6:16 PM → 7:16 PM |
| 11 Fri |
1%
|
▼ -0.21 ft |
▲ 3.8 ft |
▼ -0.17 ft |
▲ 3.56 ft |
▲ 6:23 AM ▼ 7:02 PM |
11:48 PM → 1:48 AM 12:05 PM → 2:05 PM |
6:20 AM → 7:20 AM 6:38 PM → 7:38 PM |
| 12 Sat |
1%
|
▼ -0.2 ft |
▲ 3.83 ft |
▼ -0.09 ft |
▲ 3.39 ft |
▲ 6:24 AM ▼ 7:00 PM |
12:33 AM → 2:33 AM 12:50 PM → 2:50 PM |
7:29 AM → 8:29 AM 7:00 PM → 8:00 PM |
| 13 Sun |
4%
|
▼ -0.1 ft |
▲ 3.74 ft |
▼ 0.06 ft |
▲ 3.17 ft |
▲ 6:25 AM ▼ 6:59 PM |
1:18 AM → 3:18 AM 1:35 PM → 3:35 PM |
8:37 AM → 9:37 AM 7:24 PM → 8:24 PM |
| 14 Mon |
9%
|
▼ 0.05 ft |
▲ 3.55 ft |
▼ 0.26 ft |
▲ 2.91 ft |
▲ 6:26 AM ▼ 6:57 PM |
2:04 AM → 4:04 AM 2:21 PM → 4:21 PM |
9:44 AM → 10:44 AM 7:49 PM → 8:49 PM |
| 15 Tue |
16%
|
▼ 0.24 ft |
▲ 3.3 ft |
▼ 0.48 ft |
▲ 2.66 ft |
▲ 6:27 AM ▼ 6:55 PM |
2:50 AM → 4:50 AM 3:08 PM → 5:08 PM |
10:50 AM → 11:50 AM 8:19 PM → 9:19 PM |
| 16 Wed |
24%
|
▼ 0.45 ft |
▲ 3.04 ft |
▼ 0.7 ft |
▲ 6:28 AM ▼ 6:54 PM |
3:37 AM → 5:37 AM 3:57 PM → 5:57 PM |
11:55 AM → 12:55 PM 8:55 PM → 9:55 PM |
|
| 17 Thu |
33%
|
▲ 2.43 ft |
▼ 0.66 ft |
▲ 2.8 ft |
▼ 0.89 ft |
▲ 6:29 AM ▼ 6:52 PM |
4:25 AM → 6:25 AM 4:48 PM → 6:48 PM |
12:56 PM → 1:56 PM 9:38 PM → 10:38 PM |
| 18 Fri |
50%
|
▲ 2.26 ft |
▼ 0.84 ft |
▲ 2.62 ft |
▼ 0.99 ft |
▲ 6:30 AM ▼ 6:50 PM |
5:14 AM → 7:14 AM 5:39 PM → 7:39 PM |
1:51 PM → 2:51 PM 10:28 PM → 11:28 PM |
| 19 Sat |
51%
|
▲ 2.14 ft |
▼ 0.97 ft |
▲ 2.53 ft |
▼ 0.98 ft |
▲ 6:31 AM ▼ 6:48 PM |
6:04 AM → 8:04 AM 6:30 PM → 8:30 PM |
2:40 PM → 3:40 PM 11:25 PM → 12:25 AM |
| 20 Sun |
61%
|
▲ 2.11 ft |
▼ 0.99 ft |
▲ 2.56 ft |
▼ 0.88 ft |
▲ 6:32 AM ▼ 6:47 PM |
6:53 AM → 8:53 AM 7:20 PM → 9:20 PM |
3:21 PM → 4:21 PM |
| 21 Mon |
70%
|
▲ 2.2 ft |
▼ 0.88 ft |
▲ 2.68 ft |
▼ 0.73 ft |
▲ 6:33 AM ▼ 6:45 PM |
7:40 AM → 9:40 AM 8:10 PM → 10:10 PM |
12:27 AM → 1:27 AM 3:54 PM → 4:54 PM |
| 22 Tue |
78%
|
▲ 2.4 ft |
▼ 0.7 ft |
▲ 2.85 ft |
▲ 6:34 AM ▼ 6:43 PM |
8:27 AM → 10:27 AM 8:56 PM → 10:56 PM |
1:31 AM → 2:31 AM 4:23 PM → 5:23 PM |
|
| 23 Wed |
86%
|
▼ 0.55 ft |
▲ 2.67 ft |
▼ 0.49 ft |
▲ 3.02 ft |
▲ 6:35 AM ▼ 6:42 PM |
9:12 AM → 11:12 AM 9:41 PM → 11:41 PM |
2:37 AM → 3:37 AM 4:48 PM → 5:48 PM |
| 24 Thu |
92%
|
▼ 0.35 ft |
▲ 2.97 ft |
▼ 0.3 ft |
▲ 3.16 ft |
▲ 6:36 AM ▼ 6:40 PM |
9:56 AM → 11:56 AM 10:25 PM → 12:25 AM |
3:43 AM → 4:43 AM 5:10 PM → 6:10 PM |
| 25 Fri |
97%
|
▼ 0.17 ft |
▲ 3.27 ft |
▼ 0.13 ft |
▲ 3.26 ft |
▲ 6:37 AM ▼ 6:38 PM |
10:41 AM → 12:41 PM |
4:50 AM → 5:50 AM 5:32 PM → 6:32 PM |
| 26 Sat |
100%
|
▼ 0 ft |
▲ 3.54 ft |
▼ 0.01 ft |
▲ 3.31 ft |
▲ 6:38 AM ▼ 6:36 PM |
11:10 PM → 1:10 AM 11:26 AM → 1:26 PM |
5:58 AM → 6:58 AM 5:54 PM → 6:54 PM |
| 27 Sun |
99%
|
▼ -0.12 ft |
▲ 3.73 ft |
▼ -0.05 ft |
▲ 3.29 ft |
▲ 6:39 AM ▼ 6:35 PM |
11:55 PM → 1:55 AM 12:13 PM → 2:13 PM |
7:08 AM → 8:08 AM 6:18 PM → 7:18 PM |
| 28 Mon |
98%
|
▼ -0.18 ft |
▲ 3.84 ft |
▼ -0.03 ft |
▲ 3.21 ft |
▲ 6:40 AM ▼ 6:33 PM |
12:43 AM → 2:43 AM 1:03 PM → 3:03 PM |
8:20 AM → 9:20 AM 6:46 PM → 7:46 PM |
| 29 Tue |
93%
|
▼ -0.17 ft |
▲ 3.84 ft |
▼ 0.06 ft |
▲ 3.08 ft |
▲ 6:41 AM ▼ 6:31 PM |
1:35 AM → 3:35 AM 1:58 PM → 3:58 PM |
9:36 AM → 10:36 AM 7:20 PM → 8:20 PM |
| 30 Wed |
87%
|
▼ -0.1 ft |
▲ 3.74 ft |
▼ 0.23 ft |
▲ 2.93 ft |
▲ 6:42 AM ▼ 6:30 PM |
2:31 AM → 4:31 AM 2:57 PM → 4:57 PM |
10:52 AM → 11:52 AM 8:02 PM → 9:02 PM |
Tide prediction source:
NOAA
Vertical datum:
MLLW — Mean Lower Low Water