tidealmanac
Thu, Dec 24

Friday, December 25, 2026

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

Sat, Dec 26

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. High3:18 AM3.0 ft0.90 m
  2. Low9:36 AM-1.1 ft-0.33 m
  3. High3:48 PM4.0 ft1.22 m
  4. Low10:36 PM-0.8 ft-0.23 m

Range 5.1 ft1.56 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:52 AM
Sunrise
7:21 AM
Solar noon
12:08 PM
Sunset
4:55 PM
Civil dusk
5:25 PM
Daylight
9h 34m

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

Moon

Full moon98% illuminated · day 16 of the cycle

Near new or full moon: spring tides, a larger range than average. Approximate phase, computed here.

This week

Tue, Dec 22H 12:30AM 2.7 ft0.81 mL 6:47AM -0.6 ft-0.20 mH 1:03PM 3.8 ft1.16 mL 8:00PM -0.4 ft-0.12 mWed, Dec 23H 1:27AM 2.8 ft0.84 mL 7:44AM -0.8 ft-0.26 mH 2:00PM 4.0 ft1.21 mL 8:55PM -0.6 ft-0.18 mThu, Dec 24H 2:23AM 2.9 ft0.88 mL 8:41AM -1.0 ft-0.31 mH 2:55PM 4.0 ft1.23 mL 9:46PM -0.7 ft-0.22 mFri, Dec 25H 3:18AM 3.0 ft0.90 mL 9:36AM -1.1 ft-0.33 mH 3:48PM 4.0 ft1.22 mL 10:36PM -0.8 ft-0.23 mSat, Dec 26H 4:12AM 3.0 ft0.92 mL 10:30AM -1.0 ft-0.32 mH 4:41PM 3.9 ft1.18 mL 11:26PM -0.7 ft-0.22 mSun, Dec 27H 5:07AM 3.1 ft0.93 mL 11:27AM -0.9 ft-0.26 mH 5:34PM 3.6 ft1.11 mMon, Dec 28L 12:18AM -0.7 ft-0.20 mH 6:05AM 3.1 ft0.94 mL 12:28PM -0.6 ft-0.18 mH 6:27PM 3.3 ft1.02 m