tidealmanac
Sun, Sep 20

Monday, September 21, 2026

Mount Sinai Harbor, NY · NOAA 8514421 · MLLW · Local time (America/New_York)

Tue, 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. Low2:06 AM1.2 ft0.36 m
  2. High8:02 AM5.4 ft1.65 m
  3. Low2:22 PM1.4 ft0.42 m
  4. High8:21 PM5.8 ft1.78 m

Range 4.6 ft1.42 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:11 AM
Sunrise
6:38 AM
Solar noon
12:45 PM
Sunset
6:53 PM
Civil dusk
7:20 PM
Daylight
12h 14m

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

Moon

Waxing gibbous75% illuminated · day 9 of the cycle

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

This week

Fri, Sep 18H 5:08AM 5.3 ft1.63 mL 11:27AM 1.5 ft0.46 mH 5:25PM 5.8 ft1.77 mSat, Sep 19L 12:13AM 1.2 ft0.37 mH 6:06AM 5.2 ft1.59 mL 12:26PM 1.6 ft0.49 mH 6:24PM 5.7 ft1.73 mSun, Sep 20L 1:10AM 1.3 ft0.39 mH 7:05AM 5.3 ft1.60 mL 1:26PM 1.5 ft0.47 mH 7:24PM 5.7 ft1.74 mMon, Sep 21L 2:06AM 1.2 ft0.36 mH 8:02AM 5.4 ft1.65 mL 2:22PM 1.4 ft0.42 mH 8:21PM 5.8 ft1.78 mTue, Sep 22L 2:57AM 1.0 ft0.31 mH 8:53AM 5.7 ft1.73 mL 3:14PM 1.1 ft0.34 mH 9:11PM 6.0 ft1.84 mWed, Sep 23L 3:43AM 0.8 ft0.24 mH 9:39AM 6.0 ft1.82 mL 4:02PM 0.8 ft0.25 mH 9:56PM 6.3 ft1.91 mThu, Sep 24L 4:25AM 0.6 ft0.17 mH 10:19AM 6.3 ft1.92 mL 4:46PM 0.5 ft0.16 mH 10:38PM 6.4 ft1.96 m