Tides Today & Tomorrow in Upper Guadalupe Slough, CA

TIDE TIMES for Wednesday, June 3, 2026
The tide is currently falling in Upper Guadalupe Slough, CA.
Next low tide : in 3h 55m at 10:10 pm (3.8 ft)
Next high tide (tomorrow) : 2:56 am (9.0 ft)
Sunset today : 8:24 pm
Sunrise tomorrow : 5:47 am
Moon phase : Waning Gibbous (90% illuminated)
Tide Station Location : Station #9414549
Common Questions About Tides

Upper Guadalupe Slough, CA Tides - Sep 2026

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue4:117.84:0610.010:272.011:320.86:387:37Waning Gibbous1Tue
2Wed5:207.14:4610.211:072.76:397:35Third Quarter2Wed
3Thu6:486.75:3710.212:360.611:58 AM3.46:407:34Third Quarter3Thu
4Fri8:316.76:4110.21:500.41:103.86:417:32Third Quarter4Fri
5Sat9:567.17:5510.23:090.22:424.06:427:31Third Quarter5Sat
6Sun10:527.69:0710.44:20-0.24:053.76:427:29Waning Crescent6Sun
7Mon11:368.110:1410.65:19-0.45:113.26:437:28Waning Crescent7Mon
8Tue12:138.66:09-0.66:072.66:447:26Waning Crescent8Tue
9Wed12:489.06:52-0.56:582.16:457:25New Moon9Wed
10Thu12:0810.41:219.37:31-0.37:451.56:467:23New Moon10Thu
11Fri1:0010.01:529.68:080.18:311.16:477:22New Moon11Fri
12Sat1:519.52:239.88:430.79:160.86:477:20New Moon12Sat
13Sun2:428.82:529.99:181.410:010.76:487:18Waxing Crescent13Sun
14Mon3:358.23:229.89:532.110:470.66:497:17Waxing Crescent14Mon
15Tue4:337.63:549.610:302.811:360.76:507:15Waxing Crescent15Tue
16Wed5:407.04:309.311:123.46:517:14Waxing Crescent16Wed
17Thu7:066.85:168.912:320.912:083.96:517:12First Quarter17Thu
18Fri8:466.86:158.61:391.01:344.16:527:11First Quarter18Fri
19Sat9:587.17:258.52:511.03:054.16:537:09First Quarter19Sat
20Sun10:427.48:348.63:560.84:113.86:547:08First Quarter20Sun
21Mon11:147.69:348.84:490.65:013.46:557:06Waxing Gibbous21Mon
22Tue11:407.910:279.05:310.45:423.06:567:05Waxing Gibbous22Tue
23Wed12:038.26:070.36:192.56:567:03Waxing Gibbous23Wed
24Thu12:268.66:390.46:552.06:577:02Waxing Gibbous24Thu
25Fri12:029.212:499.07:090.57:301.46:587:00Full Moon25Fri
26Sat12:489.11:149.57:390.98:070.86:596:58Full Moon26Sat
27Sun1:368.91:419.98:111.38:470.47:006:57Full Moon27Sun
28Mon2:278.62:1110.28:441.89:310.07:016:55Waning Gibbous28Mon
29Tue3:238.22:4410.59:212.410:19-0.37:026:54Waning Gibbous29Tue
30Wed4:257.73:2410.510:013.011:13-0.37:026:52Waning Gibbous30Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9414549)

Common Questions About Upper Guadalupe Slough, CA Tides

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What time does the tide turn (slack tide) in Upper Guadalupe Slough, CA today?

Slack tide in Upper Guadalupe Slough, CA is approximately 12:33 am — midway between the next high and low tide, when tidal current is weakest. This is the preferred window for boat crossings, underwater visibility, and fishing in areas with strong currents.

Is this week a spring tide or neap tide in Upper Guadalupe Slough, CA?

Upper Guadalupe Slough, CA is currently in a spring phase. Tonight's moon is 90% illuminated. Spring tides (largest swings) occur near new and full moons; neap tides (smallest swings) occur near first and third quarter moons. Tidal ranges this week are near their weekly maximum.

What datum are Upper Guadalupe Slough, CA tide heights measured from?

Tide heights on this page are measured from Mean Lower Low Water (MLLW), the U.S. NOAA standard. A height of 0 ft represents the 19-year average of each day's lower low tide. Negative values indicate a "minus tide" — water levels below that long-term reference.

What factors can affect the tide predictions for Upper Guadalupe Slough, CA?

Tide predictions for Upper Guadalupe Slough, CA come from NOAA's harmonic analysis and are typically accurate within about ±10 minutes on timing and ±0.5 ft on height. Actual water levels can deviate further due to sustained winds, atmospheric pressure changes, river flow, and storm surge. During major weather events, be sure to check US Harbors weather pages for factors that could impact tidal predictions.

Which NOAA station provides tide data for Upper Guadalupe Slough, CA?

Tide data for Upper Guadalupe Slough, CA is sourced from NOAA Station #9414549. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9414549.

What is the moon phase in Upper Guadalupe Slough, CA tonight?

Tonight the moon over Upper Guadalupe Slough, CA is Waning Gibbous (90% illuminated). This places Upper Guadalupe Slough, CA in a spring tide cycle, so tidal ranges are near their weekly maximum this week.

US Harbors Tidal Data

The data in our tide charts, tide tables, and tide graphs is provided by NOAA and others. These predictions are derived mathematically from numerous inputs, including data from historical tide stations and nearby locations where sensors are actively recording. As shown in the tide graph at the top of this page, “Predicted” tides (blue) are what forecasting models expect to happen. “Observed” tides (red) are those recorded by local sensors in real time, overlaid on the predictions for direct comparison. We display Observed water levels for a select group of harbors including Portland, Maine, where a physical sensor monitors water levels in real time.

LEARN MORE ABOUT OUR TIDE DATA