tidealmanac
Tue, Nov 17

Wednesday, November 18, 2026

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

Thu, Nov 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. Low3:23 AM0.3 ft0.09 m
  2. High4:01 PM0.8 ft0.24 m

Range 0.5 ft0.14 m · 2 predicted tides · MLLW

Sun

Civil dawn
6:08 AM
Sunrise
6:31 AM
Solar noon
12:09 PM
Sunset
5:47 PM
Civil dusk
6:10 PM
Daylight
11h 16m

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

Moon

First quarter64% illuminated · day 8 of the cycle

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

This week

Sun, Nov 15L 3:00AM 0.0 ft0.00 mH 3:15PM 0.9 ft0.26 mMon, 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 m