tidealmanac
Mon, Sep 20

Tuesday, September 21, 2027

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

Wed, 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. High4:34 AM2.4 ft0.74 m
  2. Low11:11 AM0.6 ft0.17 m
  3. High5:01 PM3.0 ft0.92 m

Range 2.5 ft0.76 m · 3 predicted tides · MLLW

Sun

Civil dawn
6:23 AM
Sunrise
6:49 AM
Solar noon
12:56 PM
Sunset
7:03 PM
Civil dusk
7:29 PM
Daylight
12h 14m

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

Moon

Last quarter68% illuminated · day 20 of the cycle

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

This week

Sat, Sep 18H 2:30AM 2.7 ft0.82 mL 9:08AM 0.4 ft0.12 mH 2:51PM 3.1 ft0.94 mL 9:47PM 0.6 ft0.17 mSun, Sep 19H 3:08AM 2.6 ft0.80 mL 9:43AM 0.4 ft0.13 mH 3:30PM 3.1 ft0.94 mL 10:28PM 0.6 ft0.19 mMon, Sep 20H 3:48AM 2.5 ft0.77 mL 10:24AM 0.5 ft0.14 mH 4:13PM 3.1 ft0.93 mL 11:17PM 0.7 ft0.21 mTue, Sep 21H 4:34AM 2.4 ft0.74 mL 11:11AM 0.6 ft0.17 mH 5:01PM 3.0 ft0.92 mWed, Sep 22L 12:13AM 0.8 ft0.24 mH 5:24AM 2.4 ft0.72 mL 12:06PM 0.6 ft0.19 mH 5:55PM 3.0 ft0.91 mThu, Sep 23L 1:15AM 0.8 ft0.25 mH 6:21AM 2.3 ft0.71 mL 1:09PM 0.7 ft0.20 mH 6:55PM 2.9 ft0.90 mFri, Sep 24L 2:23AM 0.8 ft0.24 mH 7:27AM 2.3 ft0.71 mL 2:18PM 0.6 ft0.20 mH 8:05PM 2.9 ft0.90 m