Tides Today & Tomorrow in Upper Guadalupe Slough, CA

TIDE TIMES for Monday, June 22, 2026
The tide is currently falling in Upper Guadalupe Slough, CA.
Next low tide : in 3h 56m at 2:17 pm (1.4 ft)
Next high tide : 8:22 pm (9.5 ft)
Sunset today : 8:32 pm
Sunrise tomorrow : 5:47 am
Moon phase : First Quarter (59% illuminated)
Tide Station Location : Station #9414549
Common Questions About Tides

Upper Guadalupe Slough, CA Tides - Dec 2006

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri9:0910.610:277.43:241.64:48-0.17:034:50Waxing Gibbous1Fri
2Sat9:4711.111:347.84:142.25:36-0.97:044:50Waxing Gibbous2Sat
3Sun10:2611.55:032.86:22-1.47:054:50Full Moon3Sun
4Mon12:338.111:07 AM11.65:523.27:08-1.67:064:50Full Moon4Mon
5Tue1:288.311:50 AM11.56:423.57:53-1.77:074:49Full Moon5Tue
6Wed2:218.312:3411.17:333.78:38-1.57:084:49Waning Gibbous6Wed
7Thu3:118.31:1910.68:263.89:24-1.27:094:49Waning Gibbous7Thu
8Fri4:008.22:059.99:223.810:10-0.87:104:49Waning Gibbous8Fri
9Sat4:498.12:539.010:243.710:56-0.37:104:50Waning Gibbous9Sat
10Sun5:368.13:478.111:343.611:430.27:114:50Third Quarter10Sun
11Mon6:208.14:497.212:493.37:124:50Third Quarter11Mon
12Tue7:008.36:046.412:310.81:592.87:134:50Third Quarter12Tue
13Wed7:358.67:326.01:191.43:002.27:134:50Third Quarter13Wed
14Thu8:079.09:006.02:081.93:511.57:144:50Waning Crescent14Thu
15Fri8:389.310:156.32:552.54:340.97:154:51Waning Crescent15Fri
16Sat9:099.711:156.83:402.95:130.37:154:51Waning Crescent16Sat
17Sun9:4210.04:243.35:49-0.27:164:51Waning Crescent17Sun
18Mon12:067.110:17 AM10.35:063.66:24-0.67:174:52New Moon18Mon
19Tue12:507.510:54 AM10.55:473.87:00-0.97:174:52New Moon19Tue
20Wed1:327.711:33 AM10.76:283.97:38-1.27:184:53New Moon20Wed
21Thu2:127.812:1510.77:103.98:18-1.37:184:53New Moon21Thu
22Fri2:527.912:5810.67:553.88:59-1.37:194:54Waxing Crescent22Fri
23Sat3:328.01:4510.28:453.79:42-1.27:194:54Waxing Crescent23Sat
24Sun4:128.12:379.69:433.510:27-0.87:204:55Waxing Crescent24Sun
25Mon4:538.43:368.710:523.211:13-0.27:204:55Waxing Crescent25Mon
26Tue5:348.84:487.612:102.77:204:56First Quarter26Tue
27Wed6:179.36:166.812:010.51:292.07:214:57First Quarter27Wed
28Thu7:009.97:566.412:541.32:411.17:214:57First Quarter28Thu
29Fri7:4510.59:296.61:512.13:440.37:214:58Waxing Gibbous29Fri
30Sat8:3010.910:457.22:512.84:39-0.57:224:59Waxing Gibbous30Sat
31Sun9:1711.311:467.73:513.25:29-1.07:224:59Waxing Gibbous31Sun
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 5:19 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 neap phase. Tonight's moon is 59% 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 First Quarter (59% 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