tidealmanac
Tue, Sep 15

Wednesday, September 16, 2026

Arroyo, PR · NOAA TEC4737 · MLLW · Local time (America/Puerto_Rico)

Thu, Sep 17

This is a subordinate station: NOAA predicts its highs and lows from a nearby reference station and publishes no curve for it. Nothing is interpolated.

Tides

  1. Low3:10 AM0.1 ft0.04 m
  2. High4:45 PM0.8 ft0.26 m

Range 0.7 ft0.22 m · 2 predicted tides · MLLW

Sun

Civil dawn
5:51 AM
Sunrise
6:12 AM
Solar noon
12:19 PM
Sunset
6:26 PM
Civil dusk
6:48 PM
Daylight
12h 14m

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

Moon

Waxing crescent24% illuminated · day 4 of the cycle

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

This week

Sun, Sep 13L 3:26AM 0.5 ft0.14 mH 11:10AM 0.8 ft0.23 mMon, Sep 14L 2:41AM 0.3 ft0.10 mH 3:00PM 0.8 ft0.25 mTue, Sep 15L 2:44AM 0.2 ft0.07 mH 3:56PM 0.8 ft0.26 mWed, Sep 16L 3:10AM 0.1 ft0.04 mH 4:45PM 0.8 ft0.26 mThu, Sep 17L 3:47AM 0.1 ft0.03 mH 5:35PM 0.9 ft0.26 mFri, Sep 18L 4:32AM 0.1 ft0.02 mH 6:27PM 0.9 ft0.26 mSat, Sep 19L 5:26AM 0.1 ft0.03 mH 7:14PM 0.9 ft0.27 m