37.4350’ N, 122.0070’ W

Upper Guadalupe Slough, CA

53°
H -°
L 51°
SE
0mph
High tide
4:33 am

Tides Today & Tomorrow in Upper Guadalupe Slough, CA

TIDE TIMES for Wednesday, October 14, 2026
The tide is currently rising in Upper Guadalupe Slough, CA.
Next low tide : 9:57 am (3.6 ft)
Next high tide : in 2h 07m at 4:33 am (7.5 ft)
Sunset today : 6:32 pm
Sunrise tomorrow : 7:15 am
Moon phase : Waxing Crescent (16% illuminated)
Tide Station Location : Station #9414549
Common Questions About Tides

Upper Guadalupe Slough, CA Tides - Jul 1817

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue1:1810.73:418.49:15-1.49:163.44:577:39Waning Gibbous1Tue
2Wed2:0610.04:258.410:00-1.010:183.34:577:39Waning Gibbous2Wed
3Thu2:569.15:088.410:44-0.411:243.14:587:39Waning Gibbous3Thu
4Fri3:508.15:498.511:290.24:587:39Third Quarter4Fri
5Sat4:527.16:298.712:352.812:140.84:597:39Third Quarter5Sat
6Sun6:076.37:068.91:442.41:011.54:597:38Third Quarter6Sun
7Mon7:385.97:429.22:471.91:502.25:007:38Third Quarter7Mon
8Tue9:096.08:189.43:411.32:422.75:007:38Waning Crescent8Tue
9Wed10:256.48:559.74:280.83:333.25:017:38Waning Crescent9Wed
10Thu11:236.89:3210.05:100.34:213.55:027:37Waning Crescent10Thu
11Fri12:107.25:48-0.15:073.75:027:37Waning Crescent11Fri
12Sat12:507.56:24-0.45:493.85:037:37New Moon12Sat
13Sun1:277.77:00-0.76:303.85:047:36New Moon13Sun
14Mon2:037.87:35-0.97:113.75:047:36New Moon14Mon
15Tue12:1310.62:388.08:12-1.07:543.65:057:35New Moon15Tue
16Wed12:5510.43:138.18:49-1.18:413.45:067:35Waxing Crescent16Wed
17Thu1:4010.13:488.49:27-0.99:343.15:067:34Waxing Crescent17Thu
18Fri2:289.54:258.710:07-0.510:342.85:077:34Waxing Crescent18Fri
19Sat3:248.75:039.110:490.011:422.45:087:33First Quarter19Sat
20Sun4:307.75:449.611:350.85:097:32First Quarter20Sun
21Mon5:536.96:2810.112:561.812:251.65:097:32First Quarter21Mon
22Tue7:316.57:1610.52:081.11:222.35:107:31First Quarter22Tue
23Wed9:086.68:0710.93:150.42:252.95:117:30Waxing Gibbous23Wed
24Thu10:267.18:5911.34:15-0.33:313.35:127:30Waxing Gibbous24Thu
25Fri11:287.79:5211.55:09-0.84:333.55:137:29Waxing Gibbous25Fri
26Sat12:188.15:59-1.15:313.55:137:28Full Moon26Sat
27Sun1:038.36:45-1.36:253.45:147:27Full Moon27Sun
28Mon1:458.57:29-1.27:163.35:157:26Full Moon28Mon
29Tue12:2011.02:238.68:10-1.18:053.15:167:26Full Moon29Tue
30Wed1:0610.43:008.68:49-0.78:552.95:177:25Waning Gibbous30Wed
31Thu1:519.73:348.69:27-0.39:462.85:177:24Waning Gibbous31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9414549)

Common Questions About Upper Guadalupe Slough, CA Tides

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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 16% 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 Waxing Crescent (16% 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