Tides Today & Tomorrow in Upper Guadalupe Slough, CA

TIDE TIMES for Thursday, July 2, 2026
The tide is currently falling in Upper Guadalupe Slough, CA.
Next low tide : in 2h 29m at 9:59 am (-0.7 ft)
Next high tide : 4:25 pm (7.7 ft)
Sunset today : 8:32 pm
Sunrise tomorrow : 5:51 am
Moon phase : Waning Gibbous (93% illuminated)
Tide Station Location : Station #9414549
Common Questions About Tides

Upper Guadalupe Slough, CA Tides - Apr 1992

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed11:388.011:518.96:221.06:201.15:526:31New Moon1Wed
2Thu12:227.96:540.66:501.45:506:31New Moon2Thu
3Fri12:169.21:077.87:280.27:201.75:496:32New Moon3Fri
4Sat12:449.51:547.68:03-0.27:532.15:476:33New Moon4Sat
5Sun1:149.73:457.49:42-0.49:292.56:467:34Waxing Crescent5Sun
6Mon2:499.74:417.110:26-0.510:102.96:457:35Waxing Crescent6Mon
7Tue3:299.75:456.811:17-0.511:003.26:437:36Waxing Crescent7Tue
8Wed4:179.46:566.812:15-0.56:427:37First Quarter8Wed
9Thu5:169.18:076.912:063.41:21-0.46:407:38First Quarter9Thu
10Fri6:288.79:077.41:333.42:31-0.36:397:39First Quarter10Fri
11Sat7:488.49:557.93:013.03:36-0.26:377:39First Quarter11Sat
12Sun9:068.310:368.64:142.34:32-0.16:367:40Waxing Gibbous12Sun
13Mon10:188.411:149.25:141.55:220.16:357:41Waxing Gibbous13Mon
14Tue11:238.411:509.76:060.76:070.56:337:42Waxing Gibbous14Tue
15Wed12:238.46:550.06:500.96:327:43Full Moon15Wed
16Thu12:2510.11:208.37:41-0.67:321.46:307:44Full Moon16Thu
17Fri1:0110.42:158.18:25-0.98:141.96:297:45Full Moon17Fri
18Sat1:3610.43:087.99:09-1.18:572.46:287:46Full Moon18Sat
19Sun2:1210.14:027.69:52-1.09:422.86:267:47Waning Gibbous19Sun
20Mon2:509.84:587.310:37-0.810:303.16:257:48Waning Gibbous20Mon
21Tue3:309.25:577.111:25-0.511:273.46:247:49Waning Gibbous21Tue
22Wed4:158.67:017.012:17-0.16:227:49Waning Gibbous22Wed
23Thu5:088.08:027.012:383.51:140.26:217:50Third Quarter23Thu
24Fri6:107.48:547.11:593.42:140.56:207:51Third Quarter24Fri
25Sat7:227.09:357.43:133.03:110.76:197:52Third Quarter25Sat
26Sun8:366.810:077.84:132.54:010.86:177:53Third Quarter26Sun
27Mon9:446.710:358.25:022.04:451.16:167:54Waning Crescent27Mon
28Tue10:456.911:028.65:441.45:231.36:157:55Waning Crescent28Tue
29Wed11:407.011:309.16:210.86:001.66:147:56Waning Crescent29Wed
30Thu12:317.26:560.26:351.96:137:57Waning Crescent30Thu
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 1:12 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 spring phase. Tonight's moon is 93% 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 (93% 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