tidealmanac
Tue, Oct 27

Wednesday, October 28, 2026

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

Thu, Oct 29

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 7:12 AMSunset 5:48 PM2:47 AM · -0.3 ft2:47 AM · -0.10 m9:32 AM · 4.0 ft9:32 AM · 1.21 m3:59 PM · -0.1 ft3:59 PM · -0.04 m10:02 PM · 3.1 ft10:02 PM · 0.94 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. Low2:47 AM-0.3 ft-0.10 m
  2. High9:32 AM4.0 ft1.21 m
  3. Low3:59 PM-0.1 ft-0.04 m
  4. High10:02 PM3.1 ft0.94 m

Range 4.3 ft1.31 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:44 AM
Sunrise
7:12 AM
Solar noon
12:30 PM
Sunset
5:48 PM
Civil dusk
6:16 PM
Daylight
10h 36m

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

Moon

Waning gibbous93% illuminated · day 17 of the cycle

Between spring and neap: an average tidal range. Approximate phase, computed here.

This week

Sun, Oct 25L 12:47AM -0.1 ft-0.04 mH 7:15AM 3.8 ft1.15 mL 1:45PM -0.1 ft-0.04 mH 7:41PM 3.2 ft0.97 mMon, Oct 26L 1:24AM -0.3 ft-0.08 mH 7:58AM 4.0 ft1.21 mL 2:28PM -0.2 ft-0.07 mH 8:26PM 3.2 ft0.98 mTue, Oct 27L 2:04AM -0.3 ft-0.10 mH 8:44AM 4.0 ft1.23 mL 3:13PM -0.2 ft-0.07 mH 9:13PM 3.2 ft0.97 mWed, 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 m