Tides Today & Tomorrow in Upper Guadalupe Slough, CA

TIDE TIMES for Friday, June 5, 2026
The tide is currently falling in Upper Guadalupe Slough, CA.
Next low tide : in 5h 11m at 11:42 am (-0.4 ft)
Next high tide : 6:23 pm (7.4 ft)
Sunset today : 8:25 pm
Sunrise tomorrow : 5:47 am
Moon phase : Waning Gibbous (75% illuminated)
Tide Station Location : Station #9414549
Common Questions About Tides

Upper Guadalupe Slough, CA Tides - Aug 2023

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue12:0411.82:208.38:04-1.67:443.26:128:16Full Moon1Tue
2Wed12:5811.82:588.78:49-1.68:382.86:138:15Full Moon2Wed
3Thu1:5111.53:369.09:33-1.49:352.46:148:14Waning Gibbous3Thu
4Fri2:4610.84:159.410:15-0.910:352.16:148:13Waning Gibbous4Fri
5Sat3:439.74:549.710:58-0.111:401.76:158:12Waning Gibbous5Sat
6Sun4:468.65:3510.011:420.76:168:11Third Quarter6Sun
7Mon6:007.56:2010.112:501.412:291.76:178:10Third Quarter7Mon
8Tue7:316.87:0810.22:041.11:242.56:188:09Third Quarter8Tue
9Wed9:136.78:0110.23:170.72:313.26:198:07Third Quarter9Wed
10Thu10:407.18:5710.14:240.43:443.66:208:06Waning Crescent10Thu
11Fri11:427.69:5110.15:220.14:513.86:208:05Waning Crescent11Fri
12Sat12:307.96:12-0.15:473.76:218:04Waning Crescent12Sat
13Sun1:108.16:55-0.26:343.66:228:03Waning Crescent13Sun
14Mon1:448.27:32-0.37:153.46:238:02New Moon14Mon
15Tue12:0810.12:138.18:05-0.37:533.26:248:00New Moon15Tue
16Wed12:4710.02:398.18:35-0.28:283.06:257:59New Moon16Wed
17Thu1:249.83:038.29:030.09:032.86:257:58New Moon17Thu
18Fri2:009.43:278.49:290.29:402.56:267:56Waxing Crescent18Fri
19Sat2:388.93:518.69:560.610:192.36:277:55Waxing Crescent19Sat
20Sun3:198.34:168.810:241.111:032.16:287:54Waxing Crescent20Sun
21Mon4:067.64:459.010:531.711:531.86:297:52Waxing Crescent21Mon
22Tue5:046.95:189.211:262.36:307:51First Quarter22Tue
23Wed6:246.45:599.412:511.612:063.06:317:50First Quarter23Wed
24Thu8:116.26:519.61:591.21:023.66:317:48First Quarter24Thu
25Fri9:566.67:539.93:110.82:234.06:327:47First Quarter25Fri
26Sat11:037.18:5910.34:170.23:454.06:337:46Waxing Gibbous26Sat
27Sun11:497.610:0210.85:16-0.34:543.86:347:44Waxing Gibbous27Sun
28Mon12:288.06:08-0.85:513.36:357:43Waxing Gibbous28Mon
29Tue1:048.46:55-1.16:452.86:367:41Full Moon29Tue
30Wed1:398.97:40-1.17:362.26:367:40Full Moon30Wed
31Thu12:5311.32:149.38:21-0.98:281.76:377:38Full Moon31Thu
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 3:02 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 75% 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 Waning Gibbous (75% 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