tidealmanac
Sat, Oct 17

Sunday, October 18, 2026

Port Isabel, TX · NOAA 8779770 · MLLW · Local time (America/Chicago)

Mon, Oct 19

Predicted tide height, every 6 minutes

HighLowNightTwilight
3.3 ft1.0 m1.6 ft0.5 m0 ft0.0 m12 AM3 AM6 AM9 AMNoon3 PM6 PM9 PM12 AMSunrise 7:29 AMSunset 6:59 PM1:36 AM · 1.9 ft1:36 AM · 0.57 m3:30 PM · 0.5 ft3:30 PM · 0.16 m

NOAA's sampled predictions for this station and day. Sun times are computed here from the station's coordinates and are not NOAA data.

Tides

  1. High1:36 AM1.9 ft0.57 m
  2. Low3:30 PM0.5 ft0.16 m

Range 1.4 ft0.41 m · 2 predicted tides · MLLW

Sun

Civil dawn
7:06 AM
Sunrise
7:29 AM
Solar noon
1:14 PM
Sunset
6:59 PM
Civil dusk
7:22 PM
Daylight
11h 30m

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

Moon

First quarter49% illuminated · day 7 of the cycle

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

This week

Thu, Oct 15L 12:54PM 0.4 ft0.11 mH 11:48PM 1.9 ft0.59 mFri, Oct 16L 1:42PM 0.4 ft0.12 mSat, Oct 17H 12:42AM 1.9 ft0.59 mL 2:30PM 0.4 ft0.14 mSun, Oct 18H 1:36AM 1.9 ft0.57 mL 3:30PM 0.5 ft0.16 mMon, Oct 19H 2:24AM 1.8 ft0.56 mL 4:42PM 0.6 ft0.19 mTue, Oct 20H 2:36AM 1.7 ft0.53 mL 5:48PM 0.7 ft0.21 mWed, Oct 21H 2:18AM 1.6 ft0.50 mL 6:48PM 0.8 ft0.25 m