tidealmanac
Sat, Oct 3

Sunday, October 4, 2026

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

Mon, Oct 5

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. Low5:06 AM0.1 ft0.02 m
  2. High7:29 PM1.1 ft0.32 m

Range 1.0 ft0.30 m · 2 predicted tides · MLLW

Sun

Civil dawn
5:53 AM
Sunrise
6:15 AM
Solar noon
12:13 PM
Sunset
6:11 PM
Civil dusk
6:33 PM
Daylight
11h 56m

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

Moon

Last quarter43% illuminated · day 22 of the cycle

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

This week

Thu, 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 mMon, Oct 5L 5:54AM 0.2 ft0.06 mH 8:09PM 1.0 ft0.31 mTue, Oct 6L 6:34AM 0.3 ft0.10 mH 8:36PM 0.9 ft0.29 mWed, Oct 7L 6:39AM 0.5 ft0.14 mH 8:36PM 0.8 ft0.26 m