Tides Today & Tomorrow in Upper Guadalupe Slough, CA

TIDE TIMES for Saturday, June 6, 2026
The tide is currently rising in Upper Guadalupe Slough, CA.
Next low tide : 12:24 pm (-0.2 ft)
Next high tide : in 3h 57m at 4:28 am (7.9 ft)
Sunset today : 8:26 pm
Sunrise tomorrow : 5:47 am
Moon phase : Third Quarter (66% illuminated)
Tide Station Location : Station #9414549
Common Questions About Tides

Upper Guadalupe Slough, CA Tides - Aug 2030

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu2:019.73:268.89:24-0.19:392.36:128:16Waxing Crescent1Thu
2Fri2:459.33:579.29:570.210:262.06:138:15Waxing Crescent2Fri
3Sat3:338.64:309.510:320.711:191.76:148:14Waxing Crescent3Sat
4Sun4:297.95:089.811:111.36:158:13Waxing Crescent4Sun
5Mon5:387.15:5210.112:191.411:55 AM2.06:168:11First Quarter5Mon
6Tue7:046.66:4310.31:281.112:492.66:168:10First Quarter6Tue
7Wed8:426.57:4310.52:420.71:573.16:178:09First Quarter7Wed
8Thu10:086.98:4610.83:530.23:143.46:188:08Waxing Gibbous8Thu
9Fri11:127.49:4911.14:56-0.34:283.36:198:07Waxing Gibbous9Fri
10Sat12:028.05:51-0.65:323.16:208:06Waxing Gibbous10Sat
11Sun12:458.46:39-0.86:292.76:218:05Full Moon11Sun
12Mon1:248.87:24-0.97:212.46:218:04Full Moon12Mon
13Tue12:3511.02:029.28:05-0.78:122.06:228:02Full Moon13Tue
14Wed1:2510.62:379.48:45-0.49:011.86:238:01Full Moon14Wed
15Thu2:159.93:129.69:230.19:501.66:248:00Waning Gibbous15Thu
16Fri3:049.23:469.610:000.710:391.56:257:59Waning Gibbous16Fri
17Sat3:558.34:209.610:381.311:311.56:267:57Waning Gibbous17Sat
18Sun4:527.54:569.511:182.06:277:56Waning Gibbous18Sun
19Mon5:586.95:379.312:281.512:032.76:277:55Third Quarter19Mon
20Tue7:226.56:249.21:321.412:593.26:287:53Third Quarter20Tue
21Wed8:586.57:199.12:411.32:103.66:297:52Third Quarter21Wed
22Thu10:146.88:199.23:471.13:243.76:307:51Third Quarter22Thu
23Fri11:057.29:169.34:440.94:273.66:317:49Waning Crescent23Fri
24Sat11:437.510:099.65:300.65:173.46:327:48Waning Crescent24Sat
25Sun12:147.86:100.36:003.16:327:47Waning Crescent25Sun
26Mon12:428.16:440.26:392.76:337:45Waning Crescent26Mon
27Tue1:098.47:160.17:172.46:347:44New Moon27Tue
28Wed12:249.91:378.87:470.17:552.06:357:42New Moon28Wed
29Thu1:089.82:059.28:180.38:351.66:367:41New Moon29Thu
30Fri1:549.52:359.68:510.69:171.26:377:39Waxing Crescent30Fri
31Sat2:439.13:089.99:251.110:040.96:377:38Waxing Crescent31Sat
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 8:26 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 transitional phase. Tonight's moon is 66% 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 shifting between spring and neap.

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 (66% illuminated). This places Upper Guadalupe Slough, CA in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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