tidealmanac
Sun, Sep 13

Monday, September 14, 2026

Northbury, VA · NOAA 8636558 · MLLW · Local time (America/New_York)

Tue, Sep 15

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. Low12:00 AM0.7 ft0.21 m
  2. High5:38 AM3.8 ft1.17 m
  3. Low11:59 AM0.6 ft0.19 m
  4. High6:07 PM4.4 ft1.33 m

Range 3.8 ft1.14 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:23 AM
Sunrise
6:49 AM
Solar noon
1:04 PM
Sunset
7:19 PM
Civil dusk
7:46 PM
Daylight
12h 30m

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

Moon

Waxing crescent9% illuminated · day 2 of the cycle

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

This week

Fri, Sep 11H 3:34AM 4.3 ft1.31 mL 10:06AM 0.3 ft0.09 mH 4:01PM 4.4 ft1.35 mL 10:30PM 0.4 ft0.11 mSat, Sep 12H 4:17AM 4.2 ft1.28 mL 10:45AM 0.3 ft0.09 mH 4:45PM 4.5 ft1.37 mL 11:16PM 0.5 ft0.15 mSun, Sep 13H 4:58AM 4.0 ft1.23 mL 11:22AM 0.4 ft0.13 mH 5:26PM 4.5 ft1.36 mMon, Sep 14L 12:00AM 0.7 ft0.21 mH 5:38AM 3.8 ft1.17 mL 11:59AM 0.6 ft0.19 mH 6:07PM 4.4 ft1.33 mTue, Sep 15L 12:45AM 0.9 ft0.29 mH 6:19AM 3.6 ft1.11 mL 12:36PM 0.9 ft0.26 mH 6:48PM 4.2 ft1.28 mWed, Sep 16L 1:32AM 1.2 ft0.37 mH 7:03AM 3.4 ft1.05 mL 1:16PM 1.1 ft0.34 mH 7:31PM 4.0 ft1.23 mThu, Sep 17L 2:23AM 1.4 ft0.44 mH 7:48AM 3.3 ft0.99 mL 2:01PM 1.4 ft0.42 mH 8:17PM 3.9 ft1.18 m