tidealmanac
Sat, Dec 19

Sunday, December 20, 2026

Shelltown, MD · NOAA 8571097 · MLLW · Local time (America/New_York)

Mon, Dec 21

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. Low2:59 AM-0.1 ft-0.04 m
  2. High8:51 AM2.5 ft0.75 m
  3. Low4:03 PM0.0 ft0.01 m
  4. High9:12 PM1.9 ft0.57 m

Range 2.6 ft0.80 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:45 AM
Sunrise
7:14 AM
Solar noon
12:00 PM
Sunset
4:46 PM
Civil dusk
5:15 PM
Daylight
9h 32m

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

Moon

Waxing gibbous86% illuminated · day 11 of the cycle

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

This week

Thu, Dec 17L 12:21AM 0.1 ft0.04 mH 5:53AM 2.0 ft0.62 mL 12:53PM 0.4 ft0.12 mH 6:07PM 1.9 ft0.58 mFri, Dec 18L 1:10AM 0.1 ft0.02 mH 6:49AM 2.1 ft0.65 mL 1:57PM 0.3 ft0.10 mH 7:05PM 1.9 ft0.56 mSat, Dec 19L 2:03AM 0.0 ft-0.01 mH 7:51AM 2.3 ft0.70 mL 3:02PM 0.2 ft0.06 mH 8:10PM 1.8 ft0.56 mSun, Dec 20L 2:59AM -0.1 ft-0.04 mH 8:51AM 2.5 ft0.75 mL 4:03PM 0.0 ft0.01 mH 9:12PM 1.9 ft0.57 mMon, Dec 21L 3:54AM -0.3 ft-0.08 mH 9:48AM 2.7 ft0.81 mL 5:02PM -0.1 ft-0.04 mH 10:10PM 1.9 ft0.59 mTue, Dec 22L 4:50AM -0.4 ft-0.13 mH 10:44AM 2.8 ft0.87 mL 5:59PM -0.3 ft-0.09 mH 11:08PM 2.0 ft0.62 mWed, Dec 23L 5:46AM -0.6 ft-0.17 mH 11:40AM 3.0 ft0.91 mL 6:53PM -0.4 ft-0.13 m