tidealmanac
Mon, Sep 28

Tuesday, September 29, 2026

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

Wed, Sep 30

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. High3:23 AM8.2 ft2.49 m
  2. Low9:21 AM2.4 ft0.74 m
  3. High2:44 PM10.5 ft3.19 m
  4. Low10:19 PM-0.3 ft-0.08 m

Range 10.7 ft3.27 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:35 AM
Sunrise
7:01 AM
Solar noon
12:59 PM
Sunset
6:56 PM
Civil dusk
7:22 PM
Daylight
11h 54m

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

Moon

Waning gibbous90% illuminated · day 17 of the cycle

Between spring and neap: an average tidal range. Approximate phase, computed here.

This week

Sat, Sep 26H 12:48AM 9.1 ft2.77 mL 7:39AM 0.9 ft0.26 mH 1:14PM 9.5 ft2.88 mL 8:07PM 0.8 ft0.26 mSun, Sep 27H 1:36AM 8.9 ft2.71 mL 8:11AM 1.3 ft0.40 mH 1:41PM 9.9 ft3.01 mL 8:47PM 0.4 ft0.11 mMon, Sep 28H 2:27AM 8.6 ft2.61 mL 8:44AM 1.8 ft0.56 mH 2:11PM 10.2 ft3.12 mL 9:31PM 0.0 ft-0.01 mTue, Sep 29H 3:23AM 8.2 ft2.49 mL 9:21AM 2.4 ft0.74 mH 2:44PM 10.5 ft3.19 mL 10:19PM -0.3 ft-0.08 mWed, Sep 30H 4:25AM 7.7 ft2.35 mL 10:01AM 3.0 ft0.92 mH 3:24PM 10.5 ft3.20 mL 11:13PM -0.3 ft-0.09 mThu, Oct 1H 5:38AM 7.3 ft2.23 mL 10:49AM 3.5 ft1.07 mH 4:12PM 10.3 ft3.15 mFri, Oct 2L 12:17AM -0.2 ft-0.07 mH 7:01AM 7.2 ft2.19 mL 11:54AM 3.9 ft1.19 mH 5:12PM 10.0 ft3.04 m