tidealmanac
Sun, Jan 17

Monday, January 18, 2027

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

Tue, Jan 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. High9:20 AM0.8 ft0.25 m
  2. Low9:40 PM-0.3 ft-0.10 m

Range 1.1 ft0.35 m · 2 predicted tides · MLLW

Sun

Civil dawn
6:36 AM
Sunrise
6:59 AM
Solar noon
12:34 PM
Sunset
6:10 PM
Civil dusk
6:33 PM
Daylight
11h 11m

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

Moon

Waxing gibbous82% illuminated · day 10 of the cycle

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

This week

Fri, Jan 15H 9:08AM 0.6 ft0.18 mL 7:55PM 0.0 ft0.00 mSat, Jan 16H 8:47AM 0.7 ft0.21 mL 8:09PM -0.1 ft-0.04 mSun, Jan 17H 8:56AM 0.8 ft0.23 mL 8:46PM -0.2 ft-0.07 mMon, Jan 18H 9:20AM 0.8 ft0.25 mL 9:40PM -0.3 ft-0.10 mTue, Jan 19H 9:53AM 0.9 ft0.27 mL 10:41PM -0.4 ft-0.11 mWed, Jan 20H 10:30AM 0.9 ft0.28 mL 11:36PM -0.4 ft-0.12 mThu, Jan 21H 11:08AM 0.9 ft0.28 m