Tides Today & Tomorrow in Upper Guadalupe Slough, CA

TIDE TIMES for Monday, July 6, 2026
The tide is currently rising in Upper Guadalupe Slough, CA.
Next low tide (tomorrow) : 1:41 am (2.2 ft)
Next high tide : in 2h 34m at 6:33 pm (9.0 ft)
Sunset today : 8:32 pm
Sunrise tomorrow : 5:53 am
Moon phase : Third Quarter (61% illuminated)
Tide Station Location : Station #9414549
Common Questions About Tides

Upper Guadalupe Slough, CA Tides - Apr 2061

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri11:068.76:112.06:31-0.26:517:31Waxing Gibbous1Fri
2Sat12:248.711:59 AM8.66:551.57:070.26:507:32Waxing Gibbous2Sat
3Sun12:528.912:478.37:361.07:390.66:497:33Full Moon3Sun
4Mon1:189.01:338.08:130.68:091.16:477:33Full Moon4Mon
5Tue1:419.12:197.78:480.38:381.66:467:34Full Moon5Tue
6Wed2:039.23:047.49:220.19:072.26:447:35Full Moon6Wed
7Thu2:269.13:527.09:570.09:372.76:437:36Waning Gibbous7Thu
8Fri2:509.14:456.710:340.010:093.26:417:37Waning Gibbous8Fri
9Sat3:208.95:476.411:160.110:453.66:407:38Waning Gibbous9Sat
10Sun3:568.67:066.312:060.26:387:39Waning Gibbous10Sun
11Mon4:428.38:336.41:060.36:377:40Third Quarter11Mon
12Tue5:427.99:346.71:034.02:140.36:367:41Third Quarter12Tue
13Wed6:567.710:127.02:463.93:190.26:347:42Third Quarter13Wed
14Thu8:127.710:417.43:573.54:140.06:337:42Third Quarter14Thu
15Fri9:217.911:087.94:482.95:00-0.16:317:43Waning Crescent15Fri
16Sat10:248.111:348.45:322.15:410.06:307:44Waning Crescent16Sat
17Sun11:248.36:151.36:200.26:297:45Waning Crescent17Sun
18Mon12:029.112:218.46:570.56:580.76:277:46New Moon18Mon
19Tue12:319.71:198.47:41-0.47:371.26:267:47New Moon19Tue
20Wed1:0310.32:188.28:26-1.08:171.86:257:48New Moon20Wed
21Thu1:3810.73:188.09:14-1.59:002.46:237:49Waxing Crescent21Thu
22Fri2:1710.84:227.710:04-1.69:472.96:227:50Waxing Crescent22Fri
23Sat3:0110.75:317.510:59-1.510:433.46:217:51Waxing Crescent23Sat
24Sun3:5210.26:447.412:00-1.26:207:52Waxing Crescent24Sun
25Mon4:519.57:577.51:08-0.96:187:52First Quarter25Mon
26Tue6:028.79:007.81:273.62:19-0.56:177:53First Quarter26Tue
27Wed7:228.19:508.12:583.23:25-0.36:167:54First Quarter27Wed
28Thu8:427.710:318.54:122.64:210.06:157:55Waxing Gibbous28Thu
29Fri9:557.511:068.85:111.95:090.36:147:56Waxing Gibbous29Fri
30Sat11:007.411:369.16:001.35:490.76:127:57Waxing Gibbous30Sat
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 10:07 pm — 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 61% 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 (61% 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