tidealmanac
Mon, Sep 28

Tuesday, September 29, 2026

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

Wed, Sep 30

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. Low2:04 AM0.2 ft0.06 m
  2. High2:49 PM0.9 ft0.29 m

Range 0.7 ft0.23 m · 2 predicted tides · MLLW

Sun

Civil dawn
5:53 AM
Sunrise
6:14 AM
Solar noon
12:15 PM
Sunset
6:15 PM
Civil dusk
6:37 PM
Daylight
12h 1m

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

Moon

Waning gibbous90% illuminated · day 17 of the cycle

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

This week

Sat, 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 mTue, Sep 29L 2:04AM 0.2 ft0.06 mH 2:49PM 0.9 ft0.29 mWed, Sep 30L 2:22AM 0.1 ft0.02 mH 3:52PM 1.0 ft0.30 mThu, Oct 1L 2:53AM 0.0 ft0.00 mH 4:51PM 1.0 ft0.31 mFri, Oct 2L 3:32AM 0.0 ft-0.01 mH 5:47PM 1.1 ft0.32 m