Tides Today & Tomorrow in Upper Guadalupe Slough, CA

TIDE TIMES for Thursday, June 4, 2026
The tide is currently rising in Upper Guadalupe Slough, CA.
Next low tide : 11:01 am (-0.6 ft)
Next high tide : in 24m at 2:56 am (9.0 ft)
Sunset today : 8:25 pm
Sunrise tomorrow : 5:47 am
Moon phase : Waning Gibbous (83% illuminated)
Tide Station Location : Station #9414549
Common Questions About Tides

Upper Guadalupe Slough, CA Tides - Jul 2025

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue5:227.47:028.71:002.812:460.75:518:32First Quarter1Tue
2Wed6:336.47:398.92:102.41:301.45:518:32First Quarter2Wed
3Thu8:025.88:169.23:161.92:172.15:528:32First Quarter3Thu
4Fri9:435.88:539.44:151.33:092.85:528:32First Quarter4Fri
5Sat11:106.19:319.65:060.84:043.35:538:32Waxing Gibbous5Sat
6Sun12:136.65:510.34:573.75:538:32Waxing Gibbous6Sun
7Mon1:017.06:31-0.15:463.85:548:31Waxing Gibbous7Mon
8Tue1:417.37:09-0.46:313.95:548:31Waxing Gibbous8Tue
9Wed2:167.57:46-0.67:123.95:558:31Full Moon9Wed
10Thu12:1310.42:497.78:21-0.97:523.85:568:30Full Moon10Thu
11Fri12:5410.53:217.88:56-1.08:333.65:568:30Full Moon11Fri
12Sat1:3510.43:538.09:31-1.19:173.45:578:30Waning Gibbous12Sat
13Sun2:1710.14:258.210:07-1.010:063.25:588:29Waning Gibbous13Sun
14Mon3:039.64:588.610:43-0.711:022.95:588:29Waning Gibbous14Mon
15Tue3:548.85:329.011:21-0.15:598:28Waning Gibbous15Tue
16Wed4:557.96:099.512:052.412:020.66:008:28Third Quarter16Wed
17Thu6:116.96:509.91:151.912:471.46:008:27Third Quarter17Thu
18Fri7:466.37:3510.42:281.31:392.36:018:26Third Quarter18Fri
19Sat9:316.38:2610.83:390.62:403.06:028:26Waning Crescent19Sat
20Sun11:006.89:2111.24:43-0.13:483.56:038:25Waning Crescent20Sun
21Mon12:067.45:41-0.74:563.76:038:25Waning Crescent21Mon
22Tue12:587.96:34-1.15:593.76:048:24Waning Crescent22Tue
23Wed1:438.27:23-1.36:563.56:058:23New Moon23Wed
24Thu12:0411.52:258.48:08-1.47:493.36:068:22New Moon24Thu
25Fri12:5411.23:038.58:50-1.28:413.16:078:22New Moon25Fri
26Sat1:4210.73:398.69:30-0.99:312.86:078:21Waxing Crescent26Sat
27Sun2:2810.04:138.710:07-0.510:222.76:088:20Waxing Crescent27Sun
28Mon3:149.24:468.810:420.111:152.56:098:19Waxing Crescent28Mon
29Tue4:038.25:178.911:160.86:108:18Waxing Crescent29Tue
30Wed4:587.25:509.012:122.311:52 AM1.56:118:17First Quarter30Wed
31Thu6:066.46:259.11:142.012:302.36:128:16First Quarter31Thu
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 6:58 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 spring phase. Tonight's moon is 83% 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 (83% 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