Thu, Sep 3Sat, Sep 5
Friday, September 4, 2026
Cos Cob Harbor, CT · NOAA 8469549 · MLLW · Local time (America/New_York)
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
- High5:12 AM6.8 ft2.09 m
- Low11:26 AM1.1 ft0.34 m
- High5:34 PM7.9 ft2.40 m
Range 6.8 ft2.06 m · 3 predicted tides · MLLW
Sun
- Civil dawn
- 5:56 AM
- Sunrise
- 6:24 AM
- Solar noon
- 12:54 PM
- Sunset
- 7:24 PM
- Civil dusk
- 7:52 PM
- Daylight
- 13h 0m
Computed from the station's coordinates (NOAA solar algorithm, ±1 min); not NOAA tide data. Sun calendars: sunupsundown.site.
Moon
Last quarter48% illuminated · day 22 of the cycle
Near quarter moon: neap tides, a smaller range than average. Approximate phase, computed here.
This week
Tue, Sep 1H 2:32AM 7.6 ft2.32 mL 8:45AM 0.4 ft0.13 mH 2:50PM 8.3 ft2.54 mL 9:25PM 0.3 ft0.10 mWed, Sep 2H 3:20AM 7.4 ft2.25 mL 9:31AM 0.6 ft0.19 mH 3:38PM 8.2 ft2.51 mL 10:18PM 0.5 ft0.16 mThu, Sep 3H 4:13AM 7.1 ft2.16 mL 10:24AM 0.9 ft0.27 mH 4:32PM 8.1 ft2.46 mL 11:19PM 0.7 ft0.23 mFri, Sep 4H 5:12AM 6.8 ft2.09 mL 11:26AM 1.1 ft0.34 mH 5:34PM 7.9 ft2.40 mSat, Sep 5L 12:25AM 0.9 ft0.27 mH 6:18AM 6.7 ft2.04 mL 12:34PM 1.2 ft0.37 mH 6:43PM 7.8 ft2.36 mSun, Sep 6L 1:32AM 0.9 ft0.26 mH 7:28AM 6.8 ft2.07 mL 1:44PM 1.1 ft0.34 mH 7:53PM 7.8 ft2.38 mMon, Sep 7L 2:37AM 0.7 ft0.20 mH 8:34AM 7.1 ft2.15 mL 2:51PM 0.9 ft0.26 mH 8:59PM 8.0 ft2.43 m