Tides Today & Tomorrow in Upper Guadalupe Slough, CA

TIDE TIMES for Wednesday, June 24, 2026
The tide is currently rising in Upper Guadalupe Slough, CA.
Next low tide (tomorrow) : 5:49 am (0.1 ft)
Next high tide : in 5h 11m at 9:41 pm (9.9 ft)
Sunset today : 8:32 pm
Sunrise tomorrow : 5:48 am
Moon phase : Waxing Gibbous (77% illuminated)
Tide Station Location : Station #9414549
Common Questions About Tides

Upper Guadalupe Slough, CA Tides - Mar 2046

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu7:239.210:127.52:283.63:480.06:386:02Waning Crescent1Thu
2Fri8:309.110:547.83:423.44:41-0.16:366:03Waning Crescent2Fri
3Sat9:299.211:298.04:393.15:24-0.16:356:04Waning Crescent3Sat
4Sun10:189.211:588.15:252.76:00-0.16:346:05Waning Crescent4Sun
5Mon11:029.16:052.36:310.06:326:06New Moon5Mon
6Tue12:228.211:43 AM8.96:412.06:590.26:316:06New Moon6Tue
7Wed12:448.412:228.67:151.77:250.56:296:07New Moon7Wed
8Thu1:058.61:008.37:471.47:500.96:286:08New Moon8Thu
9Fri1:268.81:407.98:201.18:161.46:266:09Waxing Crescent9Fri
10Sat1:489.02:237.48:540.98:431.86:256:10Waxing Crescent10Sat
11Sun3:139.14:116.910:320.710:122.47:237:11Waxing Crescent11Sun
12Mon3:429.25:106.411:150.610:442.97:227:12Waxing Crescent12Mon
13Tue4:179.16:286.112:070.67:217:13Waxing Crescent13Tue
14Wed5:029.08:086.01:120.57:197:14First Quarter14Wed
15Thu6:008.99:356.412:273.72:260.37:187:15First Quarter15Thu
16Fri7:128.910:276.82:033.83:380.07:167:16First Quarter16Fri
17Sat8:279.111:057.43:343.64:39-0.47:157:17Waxing Gibbous17Sat
18Sun9:389.411:397.94:423.05:30-0.67:137:18Waxing Gibbous18Sun
19Mon10:429.75:382.36:14-0.77:127:19Waxing Gibbous19Mon
20Tue12:118.611:42 AM9.86:291.56:56-0.57:107:20Waxing Gibbous20Tue
21Wed12:439.212:399.77:180.77:36-0.17:097:20Full Moon21Wed
22Thu1:169.81:369.48:070.08:160.47:077:21Full Moon22Thu
23Fri1:5110.32:338.98:56-0.58:561.17:067:22Full Moon23Fri
24Sat2:2710.63:328.39:46-0.89:381.87:047:23Waning Gibbous24Sat
25Sun3:0510.64:367.710:38-0.810:242.47:037:24Waning Gibbous25Sun
26Mon3:4710.35:477.211:34-0.611:173.07:017:25Waning Gibbous26Mon
27Tue4:349.87:086.912:37-0.37:007:26Third Quarter27Tue
28Wed5:319.18:337.012:263.41:470.06:587:27Third Quarter28Wed
29Thu6:388.59:427.21:573.63:000.16:577:28Third Quarter29Thu
30Fri7:538.110:327.53:243.44:050.26:557:29Third Quarter30Fri
31Sat9:058.011:107.84:313.04:580.36:547:30Waning Crescent31Sat
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 1:45 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 transitional phase. Tonight's moon is 77% 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 Waxing Gibbous (77% 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