Tides Today & Tomorrow in Upper Guadalupe Slough, CA

TIDE TIMES for Monday, June 8, 2026
The tide is currently rising in Upper Guadalupe Slough, CA.
Next low tide : 1:57 pm (0.7 ft)
Next high tide : in 14m at 6:40 am (6.6 ft)
Sunset today : 8:27 pm
Sunrise tomorrow : 5:46 am
Moon phase : Third Quarter (46% illuminated)
Tide Station Location : Station #9414549
Common Questions About Tides

Upper Guadalupe Slough, CA Tides - Jul 2018

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun2:369.34:507.810:25-0.410:323.55:508:32Waning Gibbous1Sun
2Mon3:158.85:267.911:01-0.211:223.45:518:32Waning Gibbous2Mon
3Tue3:588.36:038.111:390.15:518:32Waning Gibbous3Tue
4Wed4:477.66:428.312:203.212:200.55:528:32Third Quarter4Wed
5Thu5:487.07:228.71:252.91:060.95:528:32Third Quarter5Thu
6Fri7:046.58:039.12:332.51:561.45:538:32Third Quarter6Fri
7Sat8:336.38:469.73:341.82:511.95:548:31Third Quarter7Sat
8Sun9:586.49:2910.24:291.13:472.35:548:31Waning Crescent8Sun
9Mon11:116.910:1510.85:190.34:432.65:558:31Waning Crescent9Mon
10Tue12:137.46:07-0.55:372.85:558:30Waning Crescent10Tue
11Wed1:077.96:55-1.16:312.95:568:30New Moon11Wed
12Thu1:578.37:42-1.57:242.95:578:30New Moon12Thu
13Fri12:4011.82:458.68:30-1.78:192.95:578:29New Moon13Fri
14Sat1:3211.73:318.99:18-1.79:152.85:588:29Waxing Crescent14Sat
15Sun2:2411.34:179.110:05-1.510:152.65:598:28Waxing Crescent15Sun
16Mon3:1910.55:039.310:53-1.011:192.46:008:28Waxing Crescent16Mon
17Tue4:179.55:509.511:42-0.46:008:27Waxing Crescent17Tue
18Wed5:218.46:399.712:292.212:320.46:018:27First Quarter18Wed
19Thu6:347.57:299.81:441.91:271.16:028:26First Quarter19Thu
20Fri8:006.88:1810.02:571.52:251.86:028:25First Quarter20Fri
21Sat9:306.79:0710.14:041.13:262.46:038:25Waxing Gibbous21Sat
22Sun10:496.99:5310.25:020.64:252.86:048:24Waxing Gibbous22Sun
23Mon11:517.310:3610.25:520.35:203.16:058:23Waxing Gibbous23Mon
24Tue12:417.66:350.06:093.36:068:23Waxing Gibbous24Tue
25Wed1:247.87:14-0.26:533.36:068:22Full Moon25Wed
26Thu2:018.07:49-0.37:333.36:078:21Full Moon26Thu
27Fri12:3110.22:348.08:22-0.38:103.36:088:20Full Moon27Fri
28Sat1:0810.03:048.18:53-0.38:463.26:098:19Full Moon28Sat
29Sun1:449.83:338.19:24-0.29:233.16:108:18Full Moon29Sun
30Mon2:219.54:038.39:56-0.110:023.06:108:18Waning Gibbous30Mon
31Tue2:599.04:348.410:280.210:462.86:118:17Waning Gibbous31Tue
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 10:18 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 neap phase. Tonight's moon is 46% 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 minimum.

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 Third Quarter (46% illuminated). This places Upper Guadalupe Slough, CA in a neap tide cycle, so tidal ranges are near their weekly minimum 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