tidealmanac
Fri, Sep 11

Saturday, September 12, 2026

Castle Hill, RI · NOAA 8453201 · MLLW · Local time (America/New_York)

Sun, Sep 13

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. Low2:43 AM0.0 ft-0.01 m
  2. High9:09 AM4.4 ft1.33 m
  3. Low3:11 PM0.0 ft0.00 m
  4. High9:29 PM3.9 ft1.18 m

Range 4.4 ft1.34 m · 4 predicted tides · MLLW

Sun

Civil dawn
5:54 AM
Sunrise
6:22 AM
Solar noon
12:42 PM
Sunset
7:01 PM
Civil dusk
7:29 PM
Daylight
12h 39m

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

Moon

New moon1% illuminated · day 0 of the cycle

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

This week

Wed, Sep 9L 1:05AM 0.2 ft0.06 mH 6:47AM 3.9 ft1.20 mL 12:50PM 0.0 ft0.01 mH 7:15PM 4.1 ft1.26 mThu, Sep 10L 1:40AM 0.1 ft0.02 mH 7:37AM 4.2 ft1.28 mL 1:40PM 0.0 ft-0.01 mH 8:01PM 4.2 ft1.27 mFri, Sep 11L 2:12AM 0.0 ft-0.01 mH 8:24AM 4.3 ft1.32 mL 2:27PM 0.0 ft-0.01 mH 8:46PM 4.1 ft1.24 mSat, Sep 12L 2:43AM 0.0 ft-0.01 mH 9:09AM 4.4 ft1.33 mL 3:11PM 0.0 ft0.00 mH 9:29PM 3.9 ft1.18 mSun, Sep 13L 3:14AM 0.0 ft0.00 mH 9:53AM 4.2 ft1.29 mL 3:51PM 0.1 ft0.04 mH 10:12PM 3.6 ft1.10 mMon, Sep 14L 3:47AM 0.1 ft0.03 mH 10:37AM 4.0 ft1.22 mL 4:29PM 0.3 ft0.10 mH 10:56PM 3.3 ft1.01 mTue, Sep 15L 4:22AM 0.2 ft0.08 mH 11:22AM 3.7 ft1.14 mL 5:07PM 0.5 ft0.16 mH 11:42PM 3.0 ft0.92 m