tidealmanac
Wed, Sep 30

Thursday, October 1, 2026

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

Fri, Oct 2

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. Low2:53 AM0.0 ft0.00 m
  2. High4:51 PM1.0 ft0.31 m

Range 1.0 ft0.31 m · 2 predicted tides · MLLW

Sun

Civil dawn
5:53 AM
Sunrise
6:15 AM
Solar noon
12:14 PM
Sunset
6:14 PM
Civil dusk
6:35 PM
Daylight
11h 59m

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

Moon

Waning gibbous74% illuminated · day 19 of the cycle

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

This week

Mon, 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 mSat, Oct 3L 4:18AM 0.0 ft0.00 mH 6:40PM 1.1 ft0.33 mSun, Oct 4L 5:06AM 0.1 ft0.02 mH 7:29PM 1.1 ft0.32 m