tidealmanac
Fri, Oct 30

Saturday, October 31, 2026

Charlestown, Charles River entrance, MA · NOAA 8443838 · MLLW · Local time (America/New_York)

Sun, Nov 1

This is a subordinate station: NOAA predicts its highs and lows from a nearby reference station and publishes no curve for it. Nothing is interpolated.

Tides

  1. High3:39 AM9.4 ft2.86 m
  2. Low9:38 AM0.8 ft0.25 m
  3. High3:50 PM10.8 ft3.28 m
  4. Low10:24 PM-0.1 ft-0.04 m

Range 10.9 ft3.32 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:47 AM
Sunrise
7:16 AM
Solar noon
12:28 PM
Sunset
5:40 PM
Civil dusk
6:09 PM
Daylight
10h 24m

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

Moon

Waning gibbous69% illuminated · day 20 of the cycle

Near quarter moon: neap tides, a smaller range than average. Approximate phase, computed here.

This week

Wed, Oct 28H 12:58AM 10.1 ft3.09 mL 7:00AM 0.0 ft0.01 mH 1:08PM 11.6 ft3.53 mL 7:39PM -1.1 ft-0.33 mThu, Oct 29H 1:48AM 9.9 ft3.03 mL 7:49AM 0.2 ft0.06 mH 1:58PM 11.5 ft3.50 mL 8:30PM -0.9 ft-0.27 mFri, Oct 30H 2:42AM 9.7 ft2.95 mL 8:41AM 0.5 ft0.15 mH 2:52PM 11.2 ft3.41 mL 9:25PM -0.5 ft-0.16 mSat, Oct 31H 3:39AM 9.4 ft2.86 mL 9:38AM 0.8 ft0.25 mH 3:50PM 10.8 ft3.28 mL 10:24PM -0.1 ft-0.04 mSun, Nov 1H 3:41AM 9.2 ft2.79 mL 9:40AM 1.1 ft0.34 mH 3:55PM 10.3 ft3.14 mL 10:27PM 0.2 ft0.06 mMon, Nov 2H 4:47AM 9.1 ft2.78 mL 10:47AM 1.3 ft0.39 mH 5:03PM 10.0 ft3.03 mL 11:30PM 0.4 ft0.13 mTue, Nov 3H 5:53AM 9.2 ft2.82 mL 11:54AM 1.2 ft0.38 mH 6:11PM 9.7 ft2.97 m