tidealmanac
Mon, Dec 28

Tuesday, December 29, 2026

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

Wed, Dec 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. Low1:58 AM0.2 ft0.05 m
  2. High12:40 PM0.6 ft0.19 m

Range 0.5 ft0.15 m · 2 predicted tides · MLLW

Sun

Civil dawn
6:31 AM
Sunrise
6:54 AM
Solar noon
12:26 PM
Sunset
5:58 PM
Civil dusk
6:22 PM
Daylight
11h 4m

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

Moon

Waning gibbous70% illuminated · day 20 of the cycle

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

This week

Sat, Dec 26L 1:27AM -0.3 ft-0.08 mH 1:52PM 0.9 ft0.28 mSun, Dec 27L 1:51AM -0.1 ft-0.04 mH 2:25PM 0.8 ft0.26 mMon, Dec 28L 2:03AM 0.0 ft0.00 mH 1:54PM 0.7 ft0.22 mTue, Dec 29L 1:58AM 0.2 ft0.05 mH 12:40PM 0.6 ft0.19 mWed, Dec 30L 12:54AM 0.3 ft0.08 mH 11:49AM 0.6 ft0.18 mL 9:46PM 0.2 ft0.06 mThu, Dec 31H 9:15AM 0.6 ft0.19 mL 9:30PM 0.1 ft0.02 mFri, Jan 1H 9:00AM 0.7 ft0.22 mL 9:39PM 0.0 ft-0.01 m