tidealmanac
Sat, Jan 30

Sunday, January 31, 2027

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

Mon, Feb 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. High8:41 AM0.6 ft0.19 m
  2. Low8:17 PM-0.2 ft-0.08 m

Range 0.9 ft0.26 m · 2 predicted tides · MLLW

Sun

Civil dawn
6:35 AM
Sunrise
6:57 AM
Solar noon
12:38 PM
Sunset
6:18 PM
Civil dusk
6:41 PM
Daylight
11h 20m

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

Moon

Last quarter34% illuminated · day 23 of the cycle

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

This week

Thu, Jan 28H 7:44AM 0.5 ft0.15 mL 7:09PM 0.0 ft-0.01 mFri, Jan 29H 7:42AM 0.6 ft0.17 mL 7:02PM -0.1 ft-0.04 mSat, Jan 30H 8:08AM 0.6 ft0.18 mL 7:21PM -0.2 ft-0.06 mSun, Jan 31H 8:41AM 0.6 ft0.19 mL 8:17PM -0.2 ft-0.08 mMon, Feb 1H 9:15AM 0.6 ft0.19 mL 9:39PM -0.3 ft-0.08 mTue, Feb 2H 9:48AM 0.6 ft0.19 mL 10:50PM -0.3 ft-0.09 mWed, Feb 3H 10:15AM 0.6 ft0.19 mL 11:38PM -0.3 ft-0.08 m