tidealmanac
Thu, Dec 17

Friday, December 18, 2026

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

Sat, Dec 19

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. Low1:10 AM0.1 ft0.02 m
  2. High6:49 AM2.1 ft0.65 m
  3. Low1:57 PM0.3 ft0.10 m
  4. High7:05 PM1.9 ft0.56 m

Range 2.1 ft0.63 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:43 AM
Sunrise
7:13 AM
Solar noon
11:59 AM
Sunset
4:45 PM
Civil dusk
5:14 PM
Daylight
9h 32m

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

Moon

First quarter69% illuminated · day 9 of the cycle

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

This week

Tue, Dec 15H 4:18AM 1.9 ft0.58 mL 10:58AM 0.4 ft0.11 mH 4:33PM 2.1 ft0.65 mL 11:35PM 0.2 ft0.05 mWed, Dec 16H 5:04AM 2.0 ft0.59 mL 11:53AM 0.4 ft0.12 mH 5:17PM 2.0 ft0.61 mThu, 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 m