tidealmanac
Sun, Dec 20

Monday, December 21, 2026

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

Tue, Dec 22

No NOAA sampled curve is loaded for this day; the predicted highs and lows are listed below. Nothing is interpolated.

Tides

  1. Low4:56 AM0.5 ft0.16 m
  2. High10:16 AM6.2 ft1.90 m
  3. Low5:47 PM0.0 ft-0.01 m
  4. High10:44 PM5.0 ft1.51 m

Range 6.3 ft1.91 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:39 AM
Sunrise
7:11 AM
Solar noon
11:42 AM
Sunset
4:13 PM
Civil dusk
4:45 PM
Daylight
9h 2m

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

Moon

Waxing gibbous93% illuminated · day 12 of the cycle

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

This week

Fri, Dec 18L 2:29AM 0.6 ft0.18 mH 7:39AM 5.5 ft1.66 mL 3:02PM 0.7 ft0.22 mH 8:01PM 5.2 ft1.59 mSat, Dec 19L 3:18AM 0.6 ft0.19 mH 8:30AM 5.7 ft1.74 mL 3:59PM 0.5 ft0.15 mH 8:55PM 5.1 ft1.55 mSun, Dec 20L 4:06AM 0.6 ft0.18 mH 9:23AM 6.0 ft1.82 mL 4:53PM 0.2 ft0.07 mH 9:49PM 5.0 ft1.52 mMon, Dec 21L 4:56AM 0.5 ft0.16 mH 10:16AM 6.2 ft1.90 mL 5:47PM 0.0 ft-0.01 mH 10:44PM 5.0 ft1.51 mTue, Dec 22L 5:45AM 0.4 ft0.13 mH 11:09AM 6.5 ft1.98 mL 6:39PM -0.2 ft-0.08 mH 11:37PM 5.0 ft1.52 mWed, Dec 23L 6:36AM 0.3 ft0.09 mH 12:02PM 6.7 ft2.05 mL 7:31PM -0.4 ft-0.13 mThu, Dec 24H 12:30AM 5.0 ft1.54 mL 7:27AM 0.1 ft0.04 mH 12:54PM 6.9 ft2.09 mL 8:23PM -0.6 ft-0.17 m