tidealmanac
Fri, Oct 30

Saturday, October 31, 2026

Block Island (Old Harbor), RI · NOAA 8459338 · MLLW · Local time (America/New_York)

Sun, Nov 1

Predicted tide height, every 6 minutes

HighLowNightTwilight
4.9 ft1.5 m1.6 ft0.5 m-1.6 ft-0.5 m12 AM3 AM6 AM9 AMNoon3 PM6 PM9 PM12 AMSunrise 7:16 AMSunset 5:44 PM5:22 AM · 0.1 ft5:22 AM · 0.04 m12:23 PM · 3.4 ft12:23 PM · 1.03 m7:27 PM · 0.3 ft7:27 PM · 0.10 m

NOAA's sampled predictions for this station and day. Sun times are computed here from the station's coordinates and are not NOAA data.

Tides

  1. Low5:22 AM0.1 ft0.04 m
  2. High12:23 PM3.4 ft1.03 m
  3. Low7:27 PM0.3 ft0.10 m

Range 3.2 ft0.98 m · 3 predicted tides · MLLW

Sun

Civil dawn
6:47 AM
Sunrise
7:16 AM
Solar noon
12:30 PM
Sunset
5:44 PM
Civil dusk
6:12 PM
Daylight
10h 28m

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

Moon

Waning gibbous69% illuminated · day 20 of the cycle

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

This week

Wed, Oct 28L 2:47AM -0.3 ft-0.10 mH 9:32AM 4.0 ft1.21 mL 3:59PM -0.1 ft-0.04 mH 10:02PM 3.1 ft0.94 mThu, Oct 29L 3:34AM -0.2 ft-0.07 mH 10:23AM 3.8 ft1.17 mL 4:53PM 0.0 ft0.01 mH 10:56PM 3.0 ft0.90 mFri, Oct 30L 4:24AM -0.1 ft-0.02 mH 11:20AM 3.6 ft1.10 mL 6:05PM 0.2 ft0.07 mH 11:55PM 2.9 ft0.87 mSat, Oct 31L 5:22AM 0.1 ft0.04 mH 12:23PM 3.4 ft1.03 mL 7:27PM 0.3 ft0.10 mSun, Nov 1H 12:59AM 2.8 ft0.85 mL 5:44AM 0.3 ft0.10 mH 12:29PM 3.2 ft0.97 mL 7:36PM 0.3 ft0.10 mMon, Nov 2H 1:06AM 2.8 ft0.86 mL 7:30AM 0.4 ft0.12 mH 1:37PM 3.0 ft0.92 mL 8:35PM 0.3 ft0.09 mTue, Nov 3H 2:14AM 2.9 ft0.89 mL 8:50AM 0.3 ft0.11 mH 2:45PM 2.9 ft0.89 mL 9:28PM 0.2 ft0.07 m