tidealmanac

Chelsea St. Bridge, Chelsea River, MA tide chart

NOAA station 8443725 · Reference station · Datum MLLW · Local time (America/New_York)

Change stationFull year 2026

Today · Sun, Oct 25

High tideLow tide
11.5 ft3.5 m4.9 ft1.5 m-1.6 ft-0.5 m12 AM6 AMNoon6 PM12 AMNow4:52 AM · 0.5 ft4:52 AM · 0.17 m11:02 AM · 10.6 ft11:02 AM · 3.24 m5:21 PM · -0.3 ft5:21 PM · -0.10 m11:31 PM · 10.0 ft11:31 PM · 3.05 m

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

Next high11:31 PM10.0 ft3.05 m · in 1h 13m
Next low5:35 AM0.3 ft0.10 m · in 7h 17m
Range today10.9 ft3.34 mNow about 9.0 ft2.75 m and rising
MoonFullFull moon · spring tides

October 2026

Full year
Date1st tide2nd tide3rd tide4th tide
1Thu
2:59 AMHigh · 9.8 ft3.00 m
9:04 AMLow · 0.6 ft0.18 m
3:15 PMHigh · 11.1 ft3.38 m
9:45 PMLow · -0.4 ft-0.12 m
2Fri
3:55 AMHigh · 9.5 ft2.90 m
10:00 AMLow · 0.9 ft0.27 m
4:12 PMHigh · 10.8 ft3.30 m
10:44 PMLow · -0.1 ft-0.04 m
3Sat
4:56 AMHigh · 9.2 ft2.81 m
11:00 AMLow · 1.1 ft0.34 m
5:15 PMHigh · 10.6 ft3.22 m
11:46 PMLow · 0.1 ft0.04 m
4Sun
6:03 AMHigh · 9.0 ft2.76 m
12:04 PMLow · 1.2 ft0.38 m
6:24 PMHigh · 10.3 ft3.15 m
5Mon
12:51 AMLow · 0.2 ft0.07 m
7:14 AMHigh · 9.1 ft2.79 m
1:12 PMLow · 1.2 ft0.36 m
7:36 PMHigh · 10.3 ft3.14 m
6Tue
1:55 AMLow · 0.2 ft0.07 m
8:21 AMHigh · 9.5 ft2.89 m
2:17 PMLow · 0.9 ft0.27 m
8:42 PMHigh · 10.4 ft3.17 m
7Wed
2:55 AMLow · 0.1 ft0.04 m
9:20 AMHigh · 9.9 ft3.02 m
3:18 PMLow · 0.5 ft0.16 m
9:41 PMHigh · 10.5 ft3.20 m
8Thu
3:50 AMLow · 0.1 ft0.02 m
10:12 AMHigh · 10.3 ft3.15 m
4:14 PMLow · 0.2 ft0.06 m
10:35 PMHigh · 10.5 ft3.20 m
9Fri
4:39 AMLow · 0.1 ft0.02 m
10:59 AMHigh · 10.6 ft3.23 m
5:05 PMLow · -0.1 ft-0.03 m
11:24 PMHigh · 10.4 ft3.17 m
10Sat
5:24 AMLow · 0.2 ft0.05 m
11:42 AMHigh · 10.7 ft3.27 m
5:51 PMLow · -0.2 ft-0.07 m
11Sun
12:09 AMHigh · 10.2 ft3.10 m
6:05 AMLow · 0.4 ft0.12 m
12:22 PMHigh · 10.7 ft3.26 m
6:33 PMLow · -0.2 ft-0.06 m
12Mon
12:50 AMHigh · 9.9 ft3.01 m
6:45 AMLow · 0.7 ft0.20 m
1:00 PMHigh · 10.5 ft3.21 m
7:13 PMLow · 0.0 ft-0.01 m
13Tue
1:30 AMHigh · 9.5 ft2.91 m
7:24 AMLow · 1.0 ft0.31 m
1:37 PMHigh · 10.3 ft3.14 m
7:54 PMLow · 0.2 ft0.07 m
14Wed
2:10 AMHigh · 9.2 ft2.79 m
8:04 AMLow · 1.4 ft0.42 m
2:16 PMHigh · 10.0 ft3.05 m
8:37 PMLow · 0.5 ft0.17 m
15Thu
2:51 AMHigh · 8.8 ft2.68 m
8:48 AMLow · 1.7 ft0.53 m
2:59 PMHigh · 9.7 ft2.95 m
9:23 PMLow · 0.9 ft0.27 m
16Fri
3:36 AMHigh · 8.5 ft2.58 m
9:35 AMLow · 2.1 ft0.63 m
3:45 PMHigh · 9.3 ft2.85 m
10:12 PMLow · 1.2 ft0.37 m
17Sat
4:25 AMHigh · 8.2 ft2.49 m
10:26 AMLow · 2.3 ft0.71 m
4:36 PMHigh · 9.0 ft2.76 m
11:04 PMLow · 1.5 ft0.45 m
18Sun
5:19 AMHigh · 8.0 ft2.43 m
11:20 AMLow · 2.5 ft0.76 m
5:32 PMHigh · 8.8 ft2.69 m
11:59 PMLow · 1.6 ft0.50 m
19Mon
6:18 AMHigh · 7.9 ft2.42 m
12:17 PMLow · 2.5 ft0.76 m
6:32 PMHigh · 8.7 ft2.66 m
20Tue
12:55 AMLow · 1.6 ft0.50 m
7:18 AMHigh · 8.1 ft2.47 m
1:15 PMLow · 2.3 ft0.71 m
7:33 PMHigh · 8.8 ft2.69 m
21Wed
1:49 AMLow · 1.5 ft0.46 m
8:12 AMHigh · 8.5 ft2.59 m
2:10 PMLow · 1.9 ft0.59 m
8:27 PMHigh · 9.0 ft2.75 m
22Thu
2:38 AMLow · 1.3 ft0.39 m
8:58 AMHigh · 9.0 ft2.74 m
3:01 PMLow · 1.5 ft0.44 m
9:16 PMHigh · 9.3 ft2.83 m
23Fri
3:24 AMLow · 1.0 ft0.32 m
9:40 AMHigh · 9.5 ft2.90 m
3:49 PMLow · 0.9 ft0.26 m
10:02 PMHigh · 9.5 ft2.91 m
24Sat
4:08 AMLow · 0.8 ft0.24 m
10:21 AMHigh · 10.1 ft3.07 m
4:35 PMLow · 0.3 ft0.08 m
10:47 PMHigh · 9.8 ft2.99 m
25Sun
4:52 AMLow · 0.5 ft0.17 m
11:02 AMHigh · 10.6 ft3.24 m
5:21 PMLow · -0.3 ft-0.10 m
11:31 PMHigh · 10.0 ft3.05 m
26Mon
5:35 AMLow · 0.3 ft0.10 m
11:44 AMHigh · 11.1 ft3.39 m
6:06 PMLow · -0.8 ft-0.24 m
27Tue
12:16 AMHigh · 10.2 ft3.10 m
6:18 AMLow · 0.2 ft0.07 m
12:27 PMHigh · 11.5 ft3.49 m
6:52 PMLow · -1.1 ft-0.33 m
28Wed
1:02 AMHigh · 10.2 ft3.10 m
7:04 AMLow · 0.2 ft0.06 m
1:13 PMHigh · 11.6 ft3.55 m
7:40 PMLow · -1.2 ft-0.35 m
29Thu
1:52 AMHigh · 10.1 ft3.07 m
7:52 AMLow · 0.3 ft0.09 m
2:04 PMHigh · 11.6 ft3.54 m
8:32 PMLow · -1.0 ft-0.31 m
30Fri
2:45 AMHigh · 9.9 ft3.02 m
8:46 AMLow · 0.5 ft0.15 m
2:59 PMHigh · 11.4 ft3.47 m
9:28 PMLow · -0.7 ft-0.23 m
31Sat
3:43 AMHigh · 9.7 ft2.95 m
9:44 AMLow · 0.7 ft0.22 m
3:58 PMHigh · 11.0 ft3.36 m
10:27 PMLow · -0.4 ft-0.13 m
Thu12:59 AM9.8 ft3.00 m9:04 AM0.6 ft0.18 m3:15 PM11.1 ft3.38 m9:45 PM-0.4 ft-0.12 mFri23:55 AM9.5 ft2.90 m10:00 AM0.9 ft0.27 m4:12 PM10.8 ft3.30 m10:44 PM-0.1 ft-0.04 mSat34:56 AM9.2 ft2.81 m11:00 AM1.1 ft0.34 m5:15 PM10.6 ft3.22 m11:46 PM0.1 ft0.04 mSun46:03 AM9.0 ft2.76 m12:04 PM1.2 ft0.38 m6:24 PM10.3 ft3.15 mMon512:51 AM0.2 ft0.07 m7:14 AM9.1 ft2.79 m1:12 PM1.2 ft0.36 m7:36 PM10.3 ft3.14 mTue61:55 AM0.2 ft0.07 m8:21 AM9.5 ft2.89 m2:17 PM0.9 ft0.27 m8:42 PM10.4 ft3.17 mWed72:55 AM0.1 ft0.04 m9:20 AM9.9 ft3.02 m3:18 PM0.5 ft0.16 m9:41 PM10.5 ft3.20 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.
Charlestown, Charles River entranceMA · NOAA 8443838 · 2 mi (3 km)BostonMA · NOAA 8443970 · 3 mi (4 km)Amelia Earhart Dam, Mystic RiverMA · NOAA 8443662 · 3 mi (5 km)Deer Island (south end)MA · NOAA 8444012 · 4 mi (7 km)