tidealmanac
Mon, Sep 20

Tuesday, September 21, 2027

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

Wed, Sep 22

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. Low3:28 AM0.1 ft0.02 m
  2. High5:25 PM1.0 ft0.29 m

Range 0.9 ft0.27 m · 2 predicted tides · MLLW

Sun

Civil dawn
5:51 AM
Sunrise
6:13 AM
Solar noon
12:18 PM
Sunset
6:22 PM
Civil dusk
6:44 PM
Daylight
12h 9m

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

Moon

Last quarter68% illuminated · day 20 of the cycle

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

This week

Sat, Sep 18L 2:25AM 0.3 ft0.11 mH 3:44PM 0.8 ft0.24 mSun, Sep 19L 2:36AM 0.2 ft0.07 mH 4:02PM 0.9 ft0.26 mMon, Sep 20L 2:57AM 0.1 ft0.04 mH 4:40PM 0.9 ft0.28 mTue, Sep 21L 3:28AM 0.1 ft0.02 mH 5:25PM 1.0 ft0.29 mWed, Sep 22L 4:07AM 0.0 ft0.01 mH 6:14PM 1.0 ft0.31 mThu, Sep 23L 4:54AM 0.0 ft0.01 mH 7:01PM 1.1 ft0.32 mFri, Sep 24L 5:47AM 0.1 ft0.03 mH 7:46PM 1.1 ft0.33 m