tidealmanac

Block Island (Old Harbor), RI tide chart

NOAA station 8459338 · Reference station · Datum MLLW · Local time (America/New_York)

Change stationFull year 2026

Today · Mon, Oct 19

High tideLow tide
3.3 ft1.0 m1.6 ft0.5 m0 ft0.0 m12 AM6 AMNoon6 PM12 AMNow2:19 AM · 2.1 ft2:19 AM · 0.65 m8:02 AM · 1.0 ft8:02 AM · 0.30 m2:52 PM · 2.5 ft2:52 PM · 0.76 m9:57 PM · 0.8 ft9:57 PM · 0.25 m

NOAA six-minute predicted heights for today. Hours in the station's local time.

Next high2:52 PM2.5 ft0.76 m · in 9h 25m
Next low8:02 AM1.0 ft0.30 m · in 2h 35m
Range today1.7 ft0.51 mNow about 1.5 ft0.47 m and falling
MoonFirstFirst quarter · neap tides

October 2026

Full year
Date1st tide2nd tide3rd tide4th tide
1Thu
4:36 AMLow · 0.0 ft0.01 m
11:32 AMHigh · 3.6 ft1.09 m
5:59 PMLow · 0.4 ft0.13 m
2Fri
12:06 AMHigh · 2.8 ft0.85 m
5:30 AMLow · 0.2 ft0.07 m
12:33 PMHigh · 3.4 ft1.03 m
7:38 PMLow · 0.5 ft0.16 m
3Sat
1:09 AMHigh · 2.7 ft0.82 m
6:38 AMLow · 0.4 ft0.12 m
1:41 PMHigh · 3.2 ft0.99 m
8:58 PMLow · 0.5 ft0.16 m
4Sun
2:17 AMHigh · 2.7 ft0.82 m
8:14 AMLow · 0.5 ft0.14 m
2:53 PMHigh · 3.2 ft0.96 m
10:03 PMLow · 0.4 ft0.13 m
5Mon
3:29 AMHigh · 2.8 ft0.85 m
9:53 AMLow · 0.4 ft0.12 m
4:07 PMHigh · 3.2 ft0.96 m
10:58 PMLow · 0.3 ft0.09 m
6Tue
4:39 AMHigh · 3.0 ft0.92 m
11:02 AMLow · 0.3 ft0.08 m
5:11 PMHigh · 3.2 ft0.98 m
11:45 PMLow · 0.1 ft0.04 m
7Wed
5:37 AMHigh · 3.3 ft1.00 m
11:58 AMLow · 0.1 ft0.03 m
6:03 PMHigh · 3.3 ft1.00 m
8Thu
12:26 AMLow · 0.0 ft0.01 m
6:27 AMHigh · 3.6 ft1.08 m
12:48 PMLow · 0.0 ft0.00 m
6:49 PMHigh · 3.3 ft1.01 m
9Fri
1:02 AMLow · -0.1 ft-0.02 m
7:12 AMHigh · 3.7 ft1.14 m
1:32 PMLow · 0.0 ft-0.01 m
7:32 PMHigh · 3.3 ft1.00 m
10Sat
1:35 AMLow · -0.1 ft-0.03 m
7:55 AMHigh · 3.8 ft1.16 m
2:13 PMLow · 0.0 ft-0.01 m
8:12 PMHigh · 3.2 ft0.98 m
11Sun
2:03 AMLow · -0.1 ft-0.02 m
8:35 AMHigh · 3.8 ft1.15 m
2:50 PMLow · 0.0 ft0.00 m
8:51 PMHigh · 3.1 ft0.95 m
12Mon
2:30 AMLow · 0.0 ft0.00 m
9:14 AMHigh · 3.6 ft1.11 m
3:23 PMLow · 0.1 ft0.04 m
9:30 PMHigh · 3.0 ft0.90 m
13Tue
2:58 AMLow · 0.1 ft0.04 m
9:51 AMHigh · 3.4 ft1.04 m
3:54 PMLow · 0.3 ft0.08 m
10:08 PMHigh · 2.8 ft0.84 m
14Wed
3:30 AMLow · 0.3 ft0.09 m
10:28 AMHigh · 3.2 ft0.97 m
4:27 PMLow · 0.4 ft0.14 m
10:48 PMHigh · 2.6 ft0.78 m
15Thu
4:05 AMLow · 0.5 ft0.15 m
11:08 AMHigh · 2.9 ft0.90 m
5:06 PMLow · 0.6 ft0.20 m
11:32 PMHigh · 2.4 ft0.73 m
16Fri
4:45 AMLow · 0.7 ft0.21 m
11:53 AMHigh · 2.7 ft0.83 m
6:01 PMLow · 0.8 ft0.25 m
17Sat
12:22 AMHigh · 2.2 ft0.68 m
5:33 AMLow · 0.8 ft0.26 m
12:47 PMHigh · 2.6 ft0.78 m
7:48 PMLow · 0.9 ft0.28 m
18Sun
1:18 AMHigh · 2.1 ft0.65 m
6:35 AMLow · 1.0 ft0.29 m
1:47 PMHigh · 2.5 ft0.76 m
9:02 PMLow · 0.9 ft0.28 m
19Mon
2:19 AMHigh · 2.1 ft0.65 m
8:02 AMLow · 1.0 ft0.30 m
2:52 PMHigh · 2.5 ft0.76 m
9:57 PMLow · 0.8 ft0.25 m
20Tue
3:26 AMHigh · 2.2 ft0.69 m
9:48 AMLow · 0.9 ft0.27 m
3:58 PMHigh · 2.6 ft0.78 m
10:40 PMLow · 0.7 ft0.20 m
21Wed
4:27 AMHigh · 2.5 ft0.75 m
10:49 AMLow · 0.7 ft0.21 m
4:51 PMHigh · 2.7 ft0.82 m
11:14 PMLow · 0.5 ft0.14 m
22Thu
5:14 AMHigh · 2.8 ft0.85 m
11:37 AMLow · 0.5 ft0.14 m
5:35 PMHigh · 2.8 ft0.86 m
11:45 PMLow · 0.3 ft0.08 m
23Fri
5:55 AMHigh · 3.1 ft0.95 m
12:21 PMLow · 0.2 ft0.07 m
6:16 PMHigh · 3.0 ft0.91 m
24Sat
12:14 AMLow · 0.1 ft0.02 m
6:34 AMHigh · 3.5 ft1.06 m
1:03 PMLow · 0.0 ft0.00 m
6:58 PMHigh · 3.1 ft0.95 m
25Sun
12:47 AMLow · -0.1 ft-0.04 m
7:15 AMHigh · 3.8 ft1.15 m
1:45 PMLow · -0.1 ft-0.04 m
7:41 PMHigh · 3.2 ft0.97 m
26Mon
1:24 AMLow · -0.3 ft-0.08 m
7:58 AMHigh · 4.0 ft1.21 m
2:28 PMLow · -0.2 ft-0.07 m
8:26 PMHigh · 3.2 ft0.98 m
27Tue
2:04 AMLow · -0.3 ft-0.10 m
8:44 AMHigh · 4.0 ft1.23 m
3:13 PMLow · -0.2 ft-0.07 m
9:13 PMHigh · 3.2 ft0.97 m
28Wed
2:47 AMLow · -0.3 ft-0.10 m
9:32 AMHigh · 4.0 ft1.21 m
3:59 PMLow · -0.1 ft-0.04 m
10:02 PMHigh · 3.1 ft0.94 m
29Thu
3:34 AMLow · -0.2 ft-0.07 m
10:23 AMHigh · 3.8 ft1.17 m
4:53 PMLow · 0.0 ft0.01 m
10:56 PMHigh · 3.0 ft0.90 m
30Fri
4:24 AMLow · -0.1 ft-0.02 m
11:20 AMHigh · 3.6 ft1.10 m
6:05 PMLow · 0.2 ft0.07 m
11:55 PMHigh · 2.9 ft0.87 m
31Sat
5:22 AMLow · 0.1 ft0.04 m
12:23 PMHigh · 3.4 ft1.03 m
7:27 PMLow · 0.3 ft0.10 m
Thu14:36 AM0.0 ft0.01 m11:32 AM3.6 ft1.09 m5:59 PM0.4 ft0.13 mFri212:06 AM2.8 ft0.85 m5:30 AM0.2 ft0.07 m12:33 PM3.4 ft1.03 m7:38 PM0.5 ft0.16 mSat31:09 AM2.7 ft0.82 m6:38 AM0.4 ft0.12 m1:41 PM3.2 ft0.99 m8:58 PM0.5 ft0.16 mSun42:17 AM2.7 ft0.82 m8:14 AM0.5 ft0.14 m2:53 PM3.2 ft0.96 m10:03 PM0.4 ft0.13 mMon53:29 AM2.8 ft0.85 m9:53 AM0.4 ft0.12 m4:07 PM3.2 ft0.96 m10:58 PM0.3 ft0.09 mTue64:39 AM3.0 ft0.92 m11:02 AM0.3 ft0.08 m5:11 PM3.2 ft0.98 m11:45 PM0.1 ft0.04 mWed75:37 AM3.3 ft1.00 m11:58 AM0.1 ft0.03 m6:03 PM3.3 ft1.00 mShow the whole month

Heights relative to MLLW; times local to the station. Predictions from NOAA CO-OPS; not for navigation.

Nearby stations

Distance from this station. A nearer station is not necessarily the right one for your shore.
Southwest Point, Block IslandRI · NOAA 8459681 · 3 mi (5 km)Point Judith, Harbor of RefugeRI · NOAA 8455083 · 14 mi (22 km)Weekapaug Point, Block Island SoundRI · NOAA 8458022 · 15 mi (24 km)Narragansett PierRI · NOAA 8454658 · 18 mi (29 km)