tidealmanac
Thu, Sep 24

Friday, September 25, 2026

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

Sat, Sep 26

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. Low4:06 AM0.6 ft0.18 m
  2. High7:54 AM0.6 ft0.19 m
  3. Low12:03 PM0.6 ft0.17 m
  4. High8:29 PM0.8 ft0.25 m

Range 0.2 ft0.07 m · 4 predicted tides · MLLW

Sun

Civil dawn
5:52 AM
Sunrise
6:14 AM
Solar noon
12:16 PM
Sunset
6:19 PM
Civil dusk
6:40 PM
Daylight
12h 5m

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

Moon

Full moon99% illuminated · day 13 of the cycle

Near new or full moon: spring tides, a larger range than average. Approximate phase, computed here.

This week

Tue, Sep 22L 8:58AM 0.3 ft0.08 mH 8:32PM 1.0 ft0.29 mWed, Sep 23L 10:05AM 0.4 ft0.11 mH 8:39PM 0.9 ft0.28 mThu, Sep 24L 11:04AM 0.5 ft0.14 mH 8:40PM 0.9 ft0.27 mFri, Sep 25L 4:06AM 0.6 ft0.18 mH 7:54AM 0.6 ft0.19 mL 12:03PM 0.6 ft0.17 mH 8:29PM 0.8 ft0.25 mSat, Sep 26L 2:58AM 0.6 ft0.17 mH 9:29AM 0.7 ft0.22 mL 1:32PM 0.7 ft0.20 mH 7:45PM 0.7 ft0.22 mSun, Sep 27L 2:16AM 0.5 ft0.14 mH 10:55AM 0.8 ft0.24 mMon, Sep 28L 2:00AM 0.3 ft0.10 mH 1:02PM 0.9 ft0.27 m