Tides Today & Tomorrow in Upper Guadalupe Slough, CA

TIDE TIMES for Monday, June 22, 2026
The tide is currently rising in Upper Guadalupe Slough, CA.
Next low tide : 2:17 pm (1.4 ft)
Next high tide : in 1h 01m at 7:38 am (6.4 ft)
Sunset today : 8:32 pm
Sunrise tomorrow : 5:47 am
Moon phase : First Quarter (59% illuminated)
Tide Station Location : Station #9414549
Common Questions About Tides

Upper Guadalupe Slough, CA Tides - Mar 2042

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat8:119.410:537.83:203.74:34-0.36:386:02Waxing Gibbous1Sat
2Sun9:139.411:328.14:253.45:22-0.46:366:03Waxing Gibbous2Sun
3Mon10:079.55:173.16:02-0.46:356:04Waxing Gibbous3Mon
4Tue12:068.210:53 AM9.46:002.76:36-0.36:346:05Full Moon4Tue
5Wed12:358.211:35 AM9.36:382.47:06-0.26:326:05Full Moon5Wed
6Thu1:008.312:149.07:142.07:340.16:316:06Full Moon6Thu
7Fri1:228.312:528.67:481.87:590.56:296:07Full Moon7Fri
8Sat1:438.51:308.28:211.58:240.96:286:08Full Moon8Sat
9Sun3:038.63:117.69:561.29:501.47:267:09Waning Gibbous9Sun
10Mon3:258.83:567.110:331.110:162.07:257:10Waning Gibbous10Mon
11Tue3:508.94:506.511:140.910:442.67:247:11Waning Gibbous11Tue
12Wed4:208.96:026.112:030.87:227:12Waning Gibbous12Wed
13Thu4:588.87:445.91:030.77:217:13Third Quarter13Thu
14Fri5:488.79:386.212:043.72:150.67:197:14Third Quarter14Fri
15Sat6:548.710:396.71:334.03:290.27:187:15Third Quarter15Sat
16Sun8:098.911:177.13:174.04:33-0.27:167:16Third Quarter16Sun
17Mon9:209.311:497.64:313.65:26-0.67:157:17Waning Crescent17Mon
18Tue10:249.75:263.06:12-0.97:137:18Waning Crescent18Tue
19Wed12:198.111:23 AM10.06:162.36:55-1.07:127:19Waning Crescent19Wed
20Thu12:508.612:1910.17:041.57:35-0.87:107:20New Moon20Thu
21Fri1:219.21:149.97:520.88:14-0.37:097:20New Moon21Fri
22Sat1:539.72:109.48:410.18:530.37:077:21New Moon22Sat
23Sun2:2610.23:088.89:31-0.49:331.17:067:22Waxing Crescent23Sun
24Mon3:0210.44:118.010:24-0.610:151.97:047:23Waxing Crescent24Mon
25Tue3:4110.45:227.411:20-0.611:022.77:037:24Waxing Crescent25Tue
26Wed4:2410.16:457.012:22-0.57:017:25First Quarter26Wed
27Thu5:159.68:187.012:023.31:32-0.27:007:26First Quarter27Thu
28Fri6:189.09:377.31:263.72:49-0.16:587:27First Quarter28Fri
29Sat7:338.510:347.63:023.74:000.06:577:28First Quarter29Sat
30Sun8:498.311:177.94:193.35:000.06:557:29Waxing Gibbous30Sun
31Mon9:568.311:518.15:182.95:470.06:547:30Waxing Gibbous31Mon
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 10:57 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 neap phase. Tonight's moon is 59% 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 minimum.

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 First Quarter (59% illuminated). This places Upper Guadalupe Slough, CA in a neap tide cycle, so tidal ranges are near their weekly minimum 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