tidealmanac
Fri, Dec 11

Saturday, December 12, 2026

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

Sun, Dec 13

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. Low1:35 AM-0.2 ft-0.06 m
  2. High12:57 PM0.8 ft0.25 m

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

Sun

Civil dawn
6:22 AM
Sunrise
6:46 AM
Solar noon
12:18 PM
Sunset
5:50 PM
Civil dusk
6:13 PM
Daylight
11h 4m

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

Moon

Waxing crescent11% illuminated · day 3 of the cycle

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

This week

Wed, Dec 9L 12:04AM -0.2 ft-0.07 mH 11:17AM 0.8 ft0.26 mThu, Dec 10L 12:34AM -0.2 ft-0.07 mH 11:47AM 0.8 ft0.25 mFri, Dec 11L 1:05AM -0.2 ft-0.07 mH 12:22PM 0.8 ft0.25 mSat, Dec 12L 1:35AM -0.2 ft-0.06 mH 12:57PM 0.8 ft0.25 mSun, Dec 13L 2:03AM -0.1 ft-0.03 mH 1:25PM 0.8 ft0.25 mMon, Dec 14L 2:25AM 0.0 ft-0.01 mH 1:43PM 0.8 ft0.25 mTue, Dec 15L 2:38AM 0.1 ft0.03 mH 1:48PM 0.8 ft0.24 m