tidealmanac
Wed, Dec 30

Thursday, December 31, 2026

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

Fri, Jan 1

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. High9:15 AM0.6 ft0.19 m
  2. Low9:30 PM0.1 ft0.02 m

Range 0.6 ft0.17 m · 2 predicted tides · MLLW

Sun

Civil dawn
6:31 AM
Sunrise
6:55 AM
Solar noon
12:27 PM
Sunset
5:59 PM
Civil dusk
6:23 PM
Daylight
11h 4m

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

Moon

Last quarter49% illuminated · day 22 of the cycle

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

This week

Mon, 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 mSat, Jan 2H 9:17AM 0.8 ft0.23 mL 9:56PM -0.1 ft-0.04 mSun, Jan 3H 9:41AM 0.8 ft0.24 mL 10:23PM -0.2 ft-0.06 m