tidealmanac
Thu, Dec 10

Friday, December 11, 2026

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

Sat, Dec 12

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. Low1:05 AM-0.2 ft-0.07 m
  2. High12:22 PM0.8 ft0.25 m

Range 1.1 ft0.32 m · 2 predicted tides · MLLW

Sun

Civil dawn
6:21 AM
Sunrise
6:45 AM
Solar noon
12:17 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 crescent5% illuminated · day 2 of the cycle

Near new or full moon: spring tides, a larger range than average. Approximate phase, computed here.

This week

Tue, Dec 8H 10:54AM 0.9 ft0.26 mWed, 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 m