tidealmanac
Sat, Dec 19

Sunday, December 20, 2026

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

Mon, Dec 21

No NOAA sampled curve is loaded for this day; the predicted highs and lows are listed below. Nothing is interpolated.

Tides

  1. High5:09 AM1.8 ft0.56 m
  2. Low11:54 AM0.6 ft0.18 m
  3. High4:20 PM0.9 ft0.28 m
  4. Low10:36 PM-0.2 ft-0.06 m

Range 2.0 ft0.62 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:30 AM
Sunrise
6:54 AM
Solar noon
12:24 PM
Sunset
5:55 PM
Civil dusk
6:18 PM
Daylight
11h 1m

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

Moon

Waxing gibbous86% illuminated · day 11 of the cycle

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

This week

Thu, Dec 17H 2:17AM 1.3 ft0.41 mL 7:56AM 0.7 ft0.20 mH 1:50PM 1.4 ft0.42 mL 8:27PM 0.2 ft0.08 mFri, Dec 18H 3:16AM 1.5 ft0.46 mL 9:15AM 0.7 ft0.22 mH 2:33PM 1.2 ft0.37 mL 9:04PM 0.1 ft0.03 mSat, Dec 19H 4:13AM 1.7 ft0.51 mL 10:37AM 0.7 ft0.21 mH 3:23PM 1.1 ft0.32 mL 9:47PM 0.0 ft-0.01 mSun, Dec 20H 5:09AM 1.8 ft0.56 mL 11:54AM 0.6 ft0.18 mH 4:20PM 0.9 ft0.28 mL 10:36PM -0.2 ft-0.06 mMon, Dec 21H 6:04AM 2.0 ft0.61 mL 1:01PM 0.5 ft0.16 mH 5:20PM 0.8 ft0.26 mL 11:28PM -0.3 ft-0.10 mTue, Dec 22H 6:59AM 2.1 ft0.65 mL 1:59PM 0.4 ft0.13 mH 6:20PM 0.8 ft0.25 mWed, Dec 23L 12:22AM -0.4 ft-0.12 mH 7:52AM 2.2 ft0.68 mL 2:50PM 0.4 ft0.12 mH 7:19PM 0.9 ft0.26 m