tidealmanac
Wed, Oct 21

Thursday, October 22, 2026

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

Fri, Oct 23

Predicted tide height, every 6 minutes

HighLowNightTwilight
3.3 ft1.0 m1.6 ft0.5 m0 ft0.0 m12 AM3 AM6 AM9 AMNoon3 PM6 PM9 PM12 AMSunrise 6:23 AMSunset 6:00 PM5:13 AM · 1.5 ft5:13 AM · 0.44 m11:11 AM · 0.6 ft11:11 AM · 0.18 m5:27 PM · 1.6 ft5:27 PM · 0.48 m11:44 PM · 0.5 ft11:44 PM · 0.15 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. High5:13 AM1.5 ft0.44 m
  2. Low11:11 AM0.6 ft0.18 m
  3. High5:27 PM1.6 ft0.48 m
  4. Low11:44 PM0.5 ft0.15 m

Range 1.1 ft0.33 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:00 AM
Sunrise
6:23 AM
Solar noon
12:11 PM
Sunset
6:00 PM
Civil dusk
6:22 PM
Daylight
11h 37m

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

Moon

Waxing gibbous87% illuminated · day 11 of the cycle

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

This week

Mon, Oct 19H 2:03AM 1.0 ft0.31 mL 7:50AM 0.4 ft0.13 mH 3:06PM 1.7 ft0.51 mL 10:03PM 0.7 ft0.22 mTue, Oct 20H 3:10AM 1.1 ft0.34 mL 8:54AM 0.5 ft0.16 mH 3:56PM 1.7 ft0.51 mL 10:40PM 0.7 ft0.21 mWed, Oct 21H 4:15AM 1.3 ft0.38 mL 10:03AM 0.6 ft0.18 mH 4:43PM 1.6 ft0.50 mL 11:12PM 0.6 ft0.19 mThu, Oct 22H 5:13AM 1.5 ft0.44 mL 11:11AM 0.6 ft0.18 mH 5:27PM 1.6 ft0.48 mL 11:44PM 0.5 ft0.15 mFri, Oct 23H 6:05AM 1.7 ft0.51 mL 12:16PM 0.6 ft0.18 mH 6:10PM 1.5 ft0.46 mSat, Oct 24L 12:16AM 0.4 ft0.11 mH 6:53AM 1.9 ft0.57 mL 1:16PM 0.5 ft0.16 mH 6:51PM 1.4 ft0.42 mSun, Oct 25L 12:50AM 0.2 ft0.06 mH 7:39AM 2.0 ft0.62 mL 2:12PM 0.5 ft0.15 mH 7:33PM 1.3 ft0.39 m