tidealmanac
Sat, Apr 17

Sunday, April 18, 2027

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

Mon, Apr 19

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. Low1:47 AM0.3 ft0.09 m
  2. High5:44 AM0.3 ft0.10 m
  3. Low1:29 PM0.1 ft0.02 m
  4. High10:21 PM0.5 ft0.14 m

Range 0.4 ft0.12 m · 4 predicted tides · MLLW

Sun

Civil dawn
5:44 AM
Sunrise
6:06 AM
Solar noon
12:24 PM
Sunset
6:41 PM
Civil dusk
7:04 PM
Daylight
12h 35m

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

Moon

Waxing gibbous92% illuminated · day 12 of the cycle

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

This week

Thu, Apr 15H 7:19AM 0.6 ft0.18 mL 4:45PM 0.0 ft-0.01 mFri, Apr 16H 7:43AM 0.5 ft0.16 mL 3:57PM 0.1 ft0.03 mSat, Apr 17H 7:24AM 0.4 ft0.12 mL 2:06PM 0.1 ft0.04 mH 10:14PM 0.3 ft0.10 mSun, Apr 18L 1:47AM 0.3 ft0.09 mH 5:44AM 0.3 ft0.10 mL 1:29PM 0.1 ft0.02 mH 10:21PM 0.5 ft0.14 mMon, Apr 19L 1:08PM 0.0 ft-0.01 mH 10:37PM 0.6 ft0.17 mTue, Apr 20L 12:47PM -0.2 ft-0.05 mH 10:57PM 0.6 ft0.19 mWed, Apr 21L 12:40PM -0.3 ft-0.09 mH 11:21PM 0.6 ft0.19 m