tidealmanac
Wed, Sep 2

Thursday, September 3, 2026

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

Fri, Sep 4

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. Low4:42 AM0.1 ft0.03 m
  2. High6:39 PM1.0 ft0.31 m

Range 0.9 ft0.28 m · 2 predicted tides · MLLW

Sun

Civil dawn
5:48 AM
Sunrise
6:10 AM
Solar noon
12:24 PM
Sunset
6:37 PM
Civil dusk
6:59 PM
Daylight
12h 27m

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

Moon

Last quarter59% illuminated · day 21 of the cycle

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

This week

Mon, Aug 31L 4:23AM 0.5 ft0.14 mH 6:09PM 0.8 ft0.24 mTue, Sep 1L 4:06AM 0.3 ft0.10 mH 5:43PM 0.9 ft0.27 mWed, Sep 2L 4:14AM 0.2 ft0.06 mH 6:02PM 1.0 ft0.29 mThu, Sep 3L 4:42AM 0.1 ft0.03 mH 6:39PM 1.0 ft0.31 mFri, Sep 4L 5:24AM 0.0 ft0.01 mH 7:23PM 1.1 ft0.32 mSat, Sep 5L 6:22AM 0.0 ft0.00 mH 8:09PM 1.1 ft0.34 mSun, Sep 6L 7:41AM 0.0 ft0.01 mH 8:54PM 1.1 ft0.34 m