tidealmanac
Tue, Oct 20

Wednesday, October 21, 2026

Riverside, MA · NOAA 8440889 · MLLW · Local time (America/New_York)

Thu, Oct 22

Predicted tide height, every 6 minutes

HighLowNightTwilight
6.6 ft2.0 m3.3 ft1.0 m0 ft0.0 m12 AM3 AM6 AM9 AMNoon3 PM6 PM9 PM12 AMSunrise 7:04 AMSunset 5:54 PM4:56 AM · 0.7 ft4:56 AM · 0.21 m9:43 AM · 4.9 ft9:43 AM · 1.49 m5:12 PM · 0.9 ft5:12 PM · 0.28 m10:08 PM · 5.5 ft10:08 PM · 1.66 m

NOAA's sampled predictions for this station and day. Sun times are computed here from the station's coordinates and are not NOAA data.

Tides

  1. Low4:56 AM0.7 ft0.21 m
  2. High9:43 AM4.9 ft1.49 m
  3. Low5:12 PM0.9 ft0.28 m
  4. High10:08 PM5.5 ft1.66 m

Range 4.8 ft1.45 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:35 AM
Sunrise
7:04 AM
Solar noon
12:29 PM
Sunset
5:54 PM
Civil dusk
6:22 PM
Daylight
10h 49m

Computed from the station's coordinates (NOAA solar algorithm, ±1 min); not NOAA tide data. Sun calendars: sunupsundown.site.

Moon

Waxing gibbous79% illuminated · day 10 of the cycle

Between spring and neap: an average tidal range. Approximate phase, computed here.

This week

Sun, Oct 18L 2:15AM 0.7 ft0.22 mH 7:04AM 4.8 ft1.45 mL 2:23PM 1.2 ft0.37 mH 7:28PM 5.6 ft1.72 mMon, Oct 19L 3:10AM 0.8 ft0.23 mH 7:57AM 4.7 ft1.44 mL 3:21PM 1.2 ft0.36 mH 8:21PM 5.5 ft1.69 mTue, Oct 20L 4:04AM 0.8 ft0.23 mH 8:50AM 4.7 ft1.45 mL 4:18PM 1.1 ft0.33 mH 9:14PM 5.5 ft1.67 mWed, Oct 21L 4:56AM 0.7 ft0.21 mH 9:43AM 4.9 ft1.49 mL 5:12PM 0.9 ft0.28 mH 10:08PM 5.5 ft1.66 mThu, Oct 22L 5:44AM 0.6 ft0.19 mH 10:36AM 5.1 ft1.55 mL 6:03PM 0.7 ft0.22 mH 11:00PM 5.5 ft1.67 mFri, Oct 23L 6:29AM 0.5 ft0.16 mH 11:27AM 5.4 ft1.65 mL 6:51PM 0.5 ft0.15 mH 11:51PM 5.5 ft1.68 mSat, Oct 24L 7:12AM 0.5 ft0.15 mH 12:16PM 5.8 ft1.76 mL 7:39PM 0.2 ft0.08 m