tidealmanac
Sun, Oct 18

Monday, October 19, 2026

Cos Cob Harbor, CT · NOAA 8469549 · MLLW · Local time (America/New_York)

Tue, Oct 20

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. Low12:19 AM1.5 ft0.44 m
  2. High6:23 AM6.4 ft1.95 m
  3. Low12:39 PM1.8 ft0.55 m
  4. High6:42 PM6.7 ft2.04 m

Range 5.2 ft1.60 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:42 AM
Sunrise
7:10 AM
Solar noon
12:39 PM
Sunset
6:09 PM
Civil dusk
6:37 PM
Daylight
10h 59m

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

Moon

First quarter59% illuminated · day 8 of the cycle

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

This week

Fri, Oct 16H 3:43AM 6.6 ft2.01 mL 9:50AM 1.7 ft0.51 mH 3:54PM 7.1 ft2.16 mL 10:30PM 1.2 ft0.38 mSat, Oct 17H 4:33AM 6.4 ft1.96 mL 10:43AM 1.8 ft0.56 mH 4:46PM 6.8 ft2.09 mL 11:23PM 1.4 ft0.43 mSun, Oct 18H 5:27AM 6.3 ft1.93 mL 11:41AM 1.9 ft0.57 mH 5:43PM 6.7 ft2.04 mMon, Oct 19L 12:19AM 1.5 ft0.44 mH 6:23AM 6.4 ft1.95 mL 12:39PM 1.8 ft0.55 mH 6:42PM 6.7 ft2.04 mTue, Oct 20L 1:13AM 1.4 ft0.42 mH 7:19AM 6.6 ft2.01 mL 1:36PM 1.6 ft0.47 mH 7:38PM 6.8 ft2.08 mWed, Oct 21L 2:04AM 1.2 ft0.36 mH 8:10AM 6.9 ft2.11 mL 2:30PM 1.2 ft0.37 mH 8:31PM 7.0 ft2.14 mThu, Oct 22L 2:51AM 0.9 ft0.28 mH 8:57AM 7.3 ft2.24 mL 3:19PM 0.8 ft0.24 mH 9:19PM 7.3 ft2.21 m