tidealmanac
Thu, Sep 17

Friday, September 18, 2026

Upper Guadalupe Slough, CA · NOAA 9414549 · MLLW · Local time (America/Los_Angeles)

Sat, Sep 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. Low1:39 AM1.0 ft0.30 m
  2. High8:46 AM6.8 ft2.08 m
  3. Low1:34 PM4.2 ft1.26 m
  4. High6:15 PM8.6 ft2.63 m

Range 7.7 ft2.34 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:26 AM
Sunrise
6:52 AM
Solar noon
1:02 PM
Sunset
7:13 PM
Civil dusk
7:39 PM
Daylight
12h 20m

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

Moon

First quarter44% illuminated · day 6 of the cycle

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

This week

Tue, Sep 15H 4:33AM 7.5 ft2.30 mL 10:30AM 2.8 ft0.85 mH 3:54PM 9.6 ft2.92 mL 11:36PM 0.7 ft0.22 mWed, Sep 16H 5:40AM 7.0 ft2.15 mL 11:12AM 3.4 ft1.03 mH 4:30PM 9.3 ft2.83 mThu, Sep 17L 12:32AM 0.9 ft0.26 mH 7:06AM 6.8 ft2.06 mL 12:08PM 3.9 ft1.18 mH 5:16PM 8.9 ft2.72 mFri, Sep 18L 1:39AM 1.0 ft0.30 mH 8:46AM 6.8 ft2.08 mL 1:34PM 4.2 ft1.26 mH 6:15PM 8.6 ft2.63 mSat, Sep 19L 2:51AM 1.0 ft0.29 mH 9:58AM 7.1 ft2.17 mL 3:05PM 4.1 ft1.25 mH 7:25PM 8.5 ft2.59 mSun, Sep 20L 3:56AM 0.8 ft0.25 mH 10:42AM 7.4 ft2.25 mL 4:11PM 3.8 ft1.17 mH 8:34PM 8.6 ft2.62 mMon, Sep 21L 4:49AM 0.6 ft0.19 mH 11:14AM 7.6 ft2.33 mL 5:01PM 3.4 ft1.04 mH 9:34PM 8.8 ft2.68 m