tidealmanac
Sat, Oct 17

Sunday, October 18, 2026

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

Mon, Oct 19

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. High1:35 AM2.5 ft0.76 m
  2. Low6:56 AM1.0 ft0.30 m
  3. High1:58 PM2.7 ft0.84 m
  4. Low8:39 PM1.1 ft0.33 m

Range 1.7 ft0.53 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:32 AM
Sunrise
7:00 AM
Solar noon
12:31 PM
Sunset
6:01 PM
Civil dusk
6:29 PM
Daylight
11h 1m

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

Moon

First quarter49% illuminated · day 7 of the cycle

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

This week

Thu, Oct 15L 4:27AM 0.5 ft0.14 mH 11:30AM 3.3 ft1.00 mL 5:17PM 0.7 ft0.21 mH 11:55PM 2.7 ft0.83 mFri, Oct 16L 5:09AM 0.7 ft0.20 mH 12:18PM 3.0 ft0.92 mL 6:03PM 0.9 ft0.27 mSat, Oct 17H 12:45AM 2.6 ft0.79 mL 5:56AM 0.8 ft0.26 mH 1:08PM 2.8 ft0.86 mL 7:05PM 1.1 ft0.32 mSun, Oct 18H 1:35AM 2.5 ft0.76 mL 6:56AM 1.0 ft0.30 mH 1:58PM 2.7 ft0.84 mL 8:39PM 1.1 ft0.33 mMon, Oct 19H 2:26AM 2.5 ft0.77 mL 8:17AM 1.0 ft0.32 mH 2:48PM 2.7 ft0.83 mL 9:49PM 0.9 ft0.29 mTue, Oct 20H 3:19AM 2.6 ft0.80 mL 9:43AM 0.9 ft0.28 mH 3:42PM 2.8 ft0.85 mL 10:33PM 0.7 ft0.22 mWed, Oct 21H 4:15AM 2.8 ft0.86 mL 10:44AM 0.7 ft0.22 mH 4:37PM 2.9 ft0.88 mL 11:09PM 0.5 ft0.15 m