tidealmanac
Wed, Oct 21

Thursday, October 22, 2026

Great Hill, MA · NOAA 8447368 · MLLW · Local time (America/New_York)

Fri, Oct 23

Predicted tide height, every 6 minutes

HighLowNightTwilight
4.9 ft1.5 m1.6 ft0.5 m-1.6 ft-0.5 m12 AM3 AM6 AM9 AMNoon3 PM6 PM9 PM12 AMSunrise 7:03 AMSunset 5:52 PM5:30 AM · 3.7 ft5:30 AM · 1.11 m11:30 AM · 0.5 ft11:30 AM · 0.16 m5:48 PM · 3.7 ft5:48 PM · 1.13 m11:42 PM · 0.3 ft11:42 PM · 0.09 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. High5:30 AM3.7 ft1.11 m
  2. Low11:30 AM0.5 ft0.16 m
  3. High5:48 PM3.7 ft1.13 m
  4. Low11:42 PM0.3 ft0.09 m

Range 3.4 ft1.03 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:34 AM
Sunrise
7:03 AM
Solar noon
12:27 PM
Sunset
5:52 PM
Civil dusk
6:20 PM
Daylight
10h 50m

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

Moon

Waxing gibbous87% illuminated · day 11 of the cycle

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

This week

Mon, Oct 19H 2:42AM 3.0 ft0.91 mL 8:18AM 1.1 ft0.34 mH 3:12PM 3.3 ft1.00 mL 9:54PM 1.1 ft0.33 mTue, Oct 20H 3:36AM 3.1 ft0.94 mL 9:36AM 1.0 ft0.31 mH 4:06PM 3.3 ft1.01 mL 10:30PM 0.8 ft0.26 mWed, Oct 21H 4:36AM 3.3 ft1.01 mL 10:42AM 0.8 ft0.24 mH 5:00PM 3.5 ft1.06 mL 11:06PM 0.6 ft0.18 mThu, Oct 22H 5:30AM 3.7 ft1.11 mL 11:30AM 0.5 ft0.16 mH 5:48PM 3.7 ft1.13 mL 11:42PM 0.3 ft0.09 mFri, Oct 23H 6:18AM 4.1 ft1.25 mL 12:18PM 0.3 ft0.08 mH 6:36PM 4.0 ft1.21 mSat, Oct 24L 12:18AM 0.1 ft0.02 mH 7:00AM 4.5 ft1.38 mL 1:00PM 0.0 ft0.00 mH 7:24PM 4.2 ft1.29 mSun, Oct 25L 12:54AM -0.2 ft-0.05 mH 7:48AM 4.9 ft1.49 mL 1:48PM -0.2 ft-0.05 mH 8:06PM 4.4 ft1.35 m