tidealmanac
Sun, Sep 20

Monday, September 21, 2026

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

Tue, Sep 22

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. Low4:07 AM1.0 ft0.31 m
  2. High9:17 AM2.2 ft0.66 m
  3. Low4:00 PM1.0 ft0.30 m
  4. High9:49 PM2.6 ft0.80 m

Range 1.7 ft0.50 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:23 AM
Sunrise
6:49 AM
Solar noon
12:56 PM
Sunset
7:02 PM
Civil dusk
7:29 PM
Daylight
12h 13m

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

Moon

Waxing gibbous75% illuminated · day 9 of the cycle

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

This week

Fri, Sep 18L 1:14AM 1.0 ft0.30 mH 6:03AM 2.1 ft0.66 mL 12:50PM 1.0 ft0.29 mH 6:38PM 2.7 ft0.81 mSat, Sep 19L 2:12AM 1.1 ft0.32 mH 6:57AM 2.1 ft0.64 mL 1:49PM 1.0 ft0.31 mH 7:37PM 2.6 ft0.79 mSun, Sep 20L 3:13AM 1.1 ft0.33 mH 8:03AM 2.1 ft0.64 mL 2:55PM 1.0 ft0.32 mH 8:47PM 2.6 ft0.79 mMon, Sep 21L 4:07AM 1.0 ft0.31 mH 9:17AM 2.2 ft0.66 mL 4:00PM 1.0 ft0.30 mH 9:49PM 2.6 ft0.80 mTue, Sep 22L 4:53AM 0.9 ft0.28 mH 10:14AM 2.3 ft0.71 mL 4:55PM 0.9 ft0.26 mH 10:38PM 2.7 ft0.82 mWed, Sep 23L 5:34AM 0.8 ft0.24 mH 11:00AM 2.5 ft0.77 mL 5:45PM 0.7 ft0.22 mH 11:21PM 2.8 ft0.85 mThu, Sep 24L 6:12AM 0.6 ft0.19 mH 11:42AM 2.7 ft0.83 mL 6:31PM 0.6 ft0.18 m