tidealmanac
Thu, Oct 29

Friday, October 30, 2026

Arecibo, PR · NOAA 9757809 · MLLW · Local time (America/Puerto_Rico)

Sat, Oct 31

Predicted tide height, every 6 minutes

HighLowNightTwilight
3.3 ft1.0 m0.8 ft0.3 m-1.6 ft-0.5 m12 AM3 AM6 AM9 AMNoon3 PM6 PM9 PM12 AMSunrise 6:26 AMSunset 5:55 PM4:26 AM · -0.1 ft4:26 AM · -0.04 m11:51 AM · 2.2 ft11:51 AM · 0.66 m6:48 PM · 0.5 ft6:48 PM · 0.17 m11:29 PM · 1.0 ft11:29 PM · 0.30 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. Low4:26 AM-0.1 ft-0.04 m
  2. High11:51 AM2.2 ft0.66 m
  3. Low6:48 PM0.5 ft0.17 m
  4. High11:29 PM1.0 ft0.30 m

Range 2.3 ft0.70 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:03 AM
Sunrise
6:26 AM
Solar noon
12:10 PM
Sunset
5:55 PM
Civil dusk
6:18 PM
Daylight
11h 30m

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

Moon

Waning gibbous79% illuminated · day 19 of the cycle

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

This week

Tue, Oct 27L 2:06AM -0.1 ft-0.02 mH 9:12AM 2.2 ft0.69 mL 3:59PM 0.4 ft0.13 mH 8:57PM 1.1 ft0.33 mWed, Oct 28L 2:48AM -0.2 ft-0.05 mH 10:02AM 2.3 ft0.69 mL 4:53PM 0.4 ft0.14 mH 9:42PM 1.0 ft0.31 mThu, Oct 29L 3:35AM -0.2 ft-0.05 mH 10:55AM 2.2 ft0.68 mL 5:50PM 0.5 ft0.15 mH 10:32PM 1.0 ft0.30 mFri, Oct 30L 4:26AM -0.1 ft-0.04 mH 11:51AM 2.2 ft0.66 mL 6:48PM 0.5 ft0.17 mH 11:29PM 1.0 ft0.30 mSat, Oct 31L 5:23AM 0.0 ft-0.01 mH 12:50PM 2.1 ft0.63 mL 7:47PM 0.6 ft0.17 mSun, Nov 1H 12:37AM 1.0 ft0.32 mL 6:27AM 0.1 ft0.03 mH 1:51PM 2.0 ft0.60 mL 8:42PM 0.6 ft0.17 mMon, Nov 2H 1:53AM 1.1 ft0.35 mL 7:39AM 0.2 ft0.08 mH 2:50PM 1.9 ft0.57 mL 9:32PM 0.5 ft0.16 m