tidealmanac
Wed, Oct 21

Thursday, October 22, 2026

Fort McHenry Marsh, MD · NOAA 8574683 · MLLW · Local time (America/New_York)

Fri, Oct 23

Predicted tide height, every 6 minutes

HighLowNightTwilight
3.3 ft1.0 m0.8 ft0.3 m-1.6 ft-0.5 m12 AM3 AM6 AM9 AMNoon3 PM6 PM9 PM12 AMSunrise 7:23 AMSunset 6:19 PM4:00 AM · 1.5 ft4:00 AM · 0.46 m11:02 AM · 0.4 ft11:02 AM · 0.14 m4:41 PM · 1.3 ft4:41 PM · 0.40 m10:54 PM · 0.5 ft10:54 PM · 0.17 m

NOAA's sampled predictions for this station and day. Sun times are computed here from the station's coordinates and are not NOAA data.

Tides

  1. High4:00 AM1.5 ft0.46 m
  2. Low11:02 AM0.4 ft0.14 m
  3. High4:41 PM1.3 ft0.40 m
  4. Low10:54 PM0.5 ft0.17 m

Range 1.1 ft0.33 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:56 AM
Sunrise
7:23 AM
Solar noon
12:51 PM
Sunset
6:19 PM
Civil dusk
6:46 PM
Daylight
10h 56m

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

Moon

Waxing gibbous87% illuminated · day 11 of the cycle

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

This week

Mon, Oct 19H 1:37AM 1.6 ft0.47 mL 8:58AM 0.7 ft0.21 mH 1:51PM 1.1 ft0.32 mL 7:21PM 0.5 ft0.15 mTue, Oct 20H 2:27AM 1.5 ft0.47 mL 9:44AM 0.6 ft0.18 mH 2:55PM 1.1 ft0.34 mL 8:25PM 0.5 ft0.16 mWed, Oct 21H 3:15AM 1.5 ft0.47 mL 10:25AM 0.5 ft0.16 mH 3:51PM 1.2 ft0.36 mL 9:38PM 0.6 ft0.17 mThu, Oct 22H 4:00AM 1.5 ft0.46 mL 11:02AM 0.4 ft0.14 mH 4:41PM 1.3 ft0.40 mL 10:54PM 0.5 ft0.17 mFri, Oct 23H 4:44AM 1.5 ft0.45 mL 11:34AM 0.4 ft0.12 mH 5:27PM 1.5 ft0.45 mSat, Oct 24L 12:02AM 0.5 ft0.15 mH 5:28AM 1.4 ft0.42 mL 12:02PM 0.3 ft0.10 mH 6:10PM 1.7 ft0.51 mSun, Oct 25L 1:04AM 0.4 ft0.13 mH 6:11AM 1.3 ft0.39 mL 12:28PM 0.2 ft0.07 mH 6:54PM 1.8 ft0.55 m