37.4350’ N, 122.0070’ W

Upper Guadalupe Slough, CA

55°
H 67°
L 50°
NNE
5mph
High tide
9:14 am

Tides Today & Tomorrow in Upper Guadalupe Slough, CA

TIDE TIMES for Wednesday, November 4, 2026
The tide is currently rising in Upper Guadalupe Slough, CA.
Next low tide : 4:12 pm (1.5 ft)
Next high tide : in 1h 23m at 9:14 am (9.4 ft)
Sunset today : 5:06 pm
Sunrise tomorrow : 6:36 am
Moon phase : Waning Crescent (20% illuminated)
Tide Station Location : Station #9414549
Common Questions About Tides

Upper Guadalupe Slough, CA Tides - Apr 1785

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri3:578.97:206.412:140.05:596:38Third Quarter1Fri
2Sat5:038.78:256.71:26-0.15:576:39Third Quarter2Sat
3Sun6:218.69:097.21:323.72:33-0.35:566:40Third Quarter3Sun
4Mon7:398.69:457.82:523.13:30-0.45:546:40Waning Crescent4Mon
5Tue8:528.810:198.43:542.44:19-0.45:536:41Waning Crescent5Tue
6Wed9:578.910:519.14:481.55:04-0.25:516:42Waning Crescent6Wed
7Thu10:598.911:259.85:380.65:460.25:506:43New Moon7Thu
8Fri11:598.811:5910.46:26-0.26:280.75:486:44New Moon8Fri
9Sat12:578.67:14-0.87:091.45:476:45New Moon9Sat
10Sun12:3410.71:568.38:02-1.27:522.05:466:46New Moon10Sun
11Mon1:1210.72:567.98:51-1.38:382.55:446:47Waxing Crescent11Mon
12Tue1:5310.54:007.59:42-1.29:283.05:436:48Waxing Crescent12Tue
13Wed2:3710.05:097.210:37-0.810:293.45:416:48Waxing Crescent13Wed
14Thu3:279.36:237.111:38-0.411:483.65:406:49First Quarter14Thu
15Fri4:258.67:347.212:45-0.15:396:50First Quarter15Fri
16Sat5:347.98:307.41:163.51:520.25:376:51First Quarter16Sat
17Sun6:507.49:137.72:323.12:510.45:366:52First Quarter17Sun
18Mon8:037.29:477.93:342.63:400.55:346:53Waxing Gibbous18Mon
19Tue9:087.210:148.24:232.04:210.85:336:54Waxing Gibbous19Tue
20Wed10:047.210:388.55:051.54:561.05:326:55Waxing Gibbous20Wed
21Thu10:557.211:008.85:430.95:281.45:306:56Waxing Gibbous21Thu
22Fri11:437.211:239.16:170.55:581.85:296:56Full Moon22Fri
23Sat12:297.26:490.16:282.25:286:57Full Moon23Sat
24Sun1:147.27:21-0.36:582.65:276:58Full Moon24Sun
25Mon12:149.52:017.27:54-0.57:302.95:256:59Full Moon25Mon
26Tue12:449.62:497.18:30-0.78:053.25:247:00Waning Gibbous26Tue
27Wed1:179.63:426.99:10-0.88:443.45:237:01Waning Gibbous27Wed
28Thu1:569.54:396.89:56-0.89:323.65:227:02Waning Gibbous28Thu
29Fri2:419.25:416.810:49-0.810:363.75:207:03Waning Gibbous29Fri
30Sat3:368.86:407.011:47-0.65:197:04Third Quarter30Sat
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 20% 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 Crescent (20% 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