tidealmanac
Thu, Sep 17

Friday, September 18, 2026

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

Sat, Sep 19

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

Tides

  1. High12:37 AM1.0 ft0.29 m
  2. Low6:46 AM0.2 ft0.06 m
  3. High2:05 PM1.7 ft0.51 m
  4. Low9:04 PM0.7 ft0.22 m

Range 1.5 ft0.46 m · 4 predicted tides · MLLW

Sun

Civil dawn
5:53 AM
Sunrise
6:15 AM
Solar noon
12:21 PM
Sunset
6:27 PM
Civil dusk
6:49 PM
Daylight
12h 12m

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

Moon

First quarter44% illuminated · day 6 of the cycle

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

This week

Tue, Sep 15L 4:41AM 0.1 ft0.04 mH 11:32AM 1.9 ft0.58 mL 6:08PM 0.6 ft0.17 mH 11:18PM 1.1 ft0.34 mWed, Sep 16L 5:19AM 0.1 ft0.04 mH 12:20PM 1.8 ft0.55 mL 7:03PM 0.6 ft0.19 mH 11:56PM 1.0 ft0.31 mThu, Sep 17L 6:00AM 0.2 ft0.05 mH 1:10PM 1.7 ft0.53 mL 8:02PM 0.7 ft0.20 mFri, 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 m