tidealmanac
Thu, Dec 3

Friday, December 4, 2026

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

Sat, Dec 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. High9:50 AM0.8 ft0.25 m
  2. Low11:16 PM0.1 ft0.03 m

Range 0.7 ft0.23 m · 2 predicted tides · MLLW

Sun

Civil dawn
6:17 AM
Sunrise
6:41 AM
Solar noon
12:14 PM
Sunset
5:48 PM
Civil dusk
6:11 PM
Daylight
11h 7m

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

Moon

Waning crescent24% illuminated · day 24 of the cycle

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

This week

Tue, Dec 1L 2:44AM 0.2 ft0.07 mH 2:55PM 0.7 ft0.22 mWed, Dec 2L 1:43AM 0.3 ft0.10 mH 1:26PM 0.7 ft0.20 mL 11:38PM 0.3 ft0.09 mThu, Dec 3H 9:58AM 0.7 ft0.22 mL 11:18PM 0.2 ft0.06 mFri, Dec 4H 9:50AM 0.8 ft0.25 mL 11:16PM 0.1 ft0.03 mSat, Dec 5H 10:03AM 0.9 ft0.27 mL 11:16PM 0.0 ft-0.01 mSun, Dec 6H 10:19AM 0.9 ft0.28 mL 11:22PM -0.1 ft-0.04 mMon, Dec 7H 10:36AM 0.9 ft0.27 mL 11:38PM -0.2 ft-0.06 m