tidealmanac
Sun, Sep 20

Monday, September 21, 2026

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

Tue, Sep 22

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

Tides

  1. High3:27 AM1.0 ft0.31 m
  2. Low9:30 AM0.3 ft0.10 m
  3. High4:54 PM1.7 ft0.52 m
  4. Low11:46 PM0.8 ft0.23 m

Range 1.4 ft0.42 m · 4 predicted tides · MLLW

Sun

Civil dawn
5:54 AM
Sunrise
6:16 AM
Solar noon
12:20 PM
Sunset
6:25 PM
Civil dusk
6:46 PM
Daylight
12h 9m

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

Moon

Waxing gibbous75% illuminated · day 9 of the cycle

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

This week

Fri, Sep 18H 12:37AM 1.0 ft0.29 mL 6:46AM 0.2 ft0.06 mH 2:05PM 1.7 ft0.51 mL 9:04PM 0.7 ft0.22 mSat, Sep 19H 1:25AM 0.9 ft0.28 mL 7:36AM 0.2 ft0.07 mH 3:02PM 1.7 ft0.51 mL 10:08PM 0.8 ft0.23 mSun, Sep 20H 2:22AM 0.9 ft0.29 mL 8:31AM 0.3 ft0.09 mH 4:00PM 1.7 ft0.51 mL 11:03PM 0.8 ft0.24 mMon, Sep 21H 3:27AM 1.0 ft0.31 mL 9:30AM 0.3 ft0.10 mH 4:54PM 1.7 ft0.52 mL 11:46PM 0.8 ft0.23 mTue, Sep 22H 4:32AM 1.1 ft0.34 mL 10:31AM 0.4 ft0.12 mH 5:41PM 1.7 ft0.53 mWed, Sep 23L 12:21AM 0.7 ft0.22 mH 5:33AM 1.2 ft0.38 mL 11:30AM 0.4 ft0.13 mH 6:24PM 1.8 ft0.54 mThu, Sep 24L 12:51AM 0.7 ft0.20 mH 6:27AM 1.4 ft0.43 mL 12:27PM 0.4 ft0.13 mH 7:03PM 1.7 ft0.53 m