tidealmanac
Wed, Jan 20

Thursday, January 21, 2027

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

Fri, Jan 22

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. High11:08 AM0.9 ft0.28 m

Range 0.0 ft0.00 m · 1 predicted tide · MLLW

Sun

Civil dawn
6:36 AM
Sunrise
6:59 AM
Solar noon
12:35 PM
Sunset
6:12 PM
Civil dusk
6:35 PM
Daylight
11h 13m

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

Moon

Full moon99% illuminated · day 13 of the cycle

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

This week

Mon, 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 mFri, Jan 22L 12:24AM -0.3 ft-0.10 mH 11:45AM 0.9 ft0.27 mSat, Jan 23L 1:03AM -0.3 ft-0.08 mH 12:13PM 0.8 ft0.24 mSun, Jan 24L 1:30AM -0.1 ft-0.04 mH 12:14PM 0.7 ft0.21 m