tidealmanac
Wed, Nov 18

Thursday, November 19, 2026

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

Fri, Nov 20

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. Low1:45 AM0.4 ft0.12 m
  2. High2:44 PM0.7 ft0.22 m

Range 0.3 ft0.10 m · 2 predicted tides · MLLW

Sun

Civil dawn
6:09 AM
Sunrise
6:32 AM
Solar noon
12:10 PM
Sunset
5:47 PM
Civil dusk
6:10 PM
Daylight
11h 15m

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

Moon

Waxing gibbous74% illuminated · day 9 of the cycle

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

This week

Mon, Nov 16L 3:27AM 0.1 ft0.03 mH 3:45PM 0.9 ft0.26 mTue, Nov 17L 3:42AM 0.2 ft0.06 mH 4:02PM 0.8 ft0.25 mWed, Nov 18L 3:23AM 0.3 ft0.09 mH 4:01PM 0.8 ft0.24 mThu, Nov 19L 1:45AM 0.4 ft0.12 mH 2:44PM 0.7 ft0.22 mFri, Nov 20L 12:21AM 0.3 ft0.11 mH 11:04AM 0.7 ft0.23 mL 11:43PM 0.2 ft0.08 mSat, Nov 21H 10:22AM 0.8 ft0.26 mL 11:32PM 0.1 ft0.04 mSun, Nov 22H 10:25AM 0.9 ft0.29 mL 11:38PM 0.0 ft-0.01 m