tidealmanac
Sun, Dec 20

Monday, December 21, 2026

Boston Light, MA · NOAA 8444162 · 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. Low1:42 AM0.6 ft0.18 m
  2. High8:01 AM10.2 ft3.10 m
  3. Low2:30 PM-0.4 ft-0.11 m
  4. High8:41 PM8.7 ft2.66 m

Range 10.5 ft3.22 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:37 AM
Sunrise
7:09 AM
Solar noon
11:41 AM
Sunset
4:14 PM
Civil dusk
4:46 PM
Daylight
9h 5m

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 18H 5:26AM 8.8 ft2.68 mL 11:40AM 1.1 ft0.34 mH 5:48PM 8.3 ft2.52 mL 11:55PM 0.9 ft0.27 mSat, Dec 19H 6:15AM 9.2 ft2.80 mL 12:36PM 0.7 ft0.22 mH 6:45PM 8.3 ft2.53 mSun, Dec 20L 12:48AM 0.8 ft0.24 mH 7:07AM 9.7 ft2.95 mL 1:33PM 0.2 ft0.06 mH 7:43PM 8.5 ft2.58 mMon, Dec 21L 1:42AM 0.6 ft0.18 mH 8:01AM 10.2 ft3.10 mL 2:30PM -0.4 ft-0.11 mH 8:41PM 8.7 ft2.66 mTue, Dec 22L 2:37AM 0.3 ft0.10 mH 8:54AM 10.7 ft3.26 mL 3:24PM -0.9 ft-0.27 mH 9:36PM 9.0 ft2.75 mWed, Dec 23L 3:31AM 0.0 ft0.01 mH 9:47AM 11.1 ft3.39 mL 4:18PM -1.3 ft-0.40 mH 10:30PM 9.3 ft2.83 mThu, Dec 24L 4:25AM -0.2 ft-0.07 mH 10:41AM 11.4 ft3.46 mL 5:11PM -1.6 ft-0.48 mH 11:24PM 9.5 ft2.90 m