Tides Today & Tomorrow in Arcata Wharf, CA

TIDE TIMES for Saturday, August 1, 2026
The tide is currently falling in Arcata Wharf, CA.
Next low tide : in 5h 10m at 9:22 pm (2.3 ft)
Next high tide (tomorrow) : 3:06 am (6.3 ft)
Sunset today : 8:32 pm
Sunrise tomorrow : 6:13 am
Moon phase : Waning Gibbous (90% illuminated)
Tide Station Location : Station #9418851
Common Questions About Tides

Arcata Wharf, CA Tides - Apr 1970

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed7:386.59:415.51:453.42:51-0.25:596:40Waning Crescent1Wed
2Thu8:526.610:206.03:002.63:44-0.35:586:41Waning Crescent2Thu
3Fri9:586.710:566.54:021.84:30-0.25:566:43Waning Crescent3Fri
4Sat10:576.711:317.04:560.95:120.15:546:44New Moon4Sat
5Sun11:536.65:460.15:520.65:536:45New Moon5Sun
6Mon12:057.412:476.46:33-0.56:311.15:516:46New Moon6Mon
7Tue12:397.61:396.17:18-0.87:101.75:506:47New Moon7Tue
8Wed1:147.62:315.78:04-0.97:492.35:486:48Waxing Crescent8Wed
9Thu1:507.43:255.48:50-0.78:292.85:466:49Waxing Crescent9Thu
10Fri2:287.14:245.09:39-0.49:133.35:456:50Waxing Crescent10Fri
11Sat3:106.65:304.710:320.010:053.65:436:51First Quarter11Sat
12Sun4:006.26:444.611:310.411:143.85:426:52First Quarter12Sun
13Mon5:015.77:564.712:360.75:406:53First Quarter13Mon
14Tue6:145.48:494.912:403.71:390.85:386:54First Quarter14Tue
15Wed7:275.39:265.11:593.42:330.85:376:55Waxing Gibbous15Wed
16Thu8:335.39:555.43:012.83:180.95:356:56Waxing Gibbous16Thu
17Fri9:315.310:225.83:502.23:561.05:346:57Waxing Gibbous17Fri
18Sat10:235.410:486.24:311.64:311.25:326:58Waxing Gibbous18Sat
19Sun11:115.511:146.55:100.95:031.45:316:59Full Moon19Sun
20Mon11:575.511:416.85:470.35:351.75:297:00Full Moon20Mon
21Tue12:435.56:24-0.26:072.15:287:01Full Moon21Tue
22Wed12:097.11:305.57:02-0.66:412.55:267:03Full Moon22Wed
23Thu12:397.22:185.37:42-0.97:162.85:257:04Waning Gibbous23Thu
24Fri1:127.33:115.18:26-1.07:553.15:247:05Waning Gibbous24Fri
25Sat1:517.24:095.09:15-1.08:403.35:227:06Waning Gibbous25Sat
26Sun3:387.06:124.811:10-0.810:393.56:218:07Waning Gibbous26Sun
27Mon4:356.77:184.912:10-0.66:198:08Third Quarter27Mon
28Tue5:466.38:195.11:13-0.46:188:09Third Quarter28Tue
29Wed7:076.09:115.51:253.22:15-0.26:178:10Third Quarter29Wed
30Thu8:295.79:556.02:482.63:120.16:158:11Waning Crescent30Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9418851)

Common Questions About Arcata Wharf, CA Tides

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What time does the tide turn (slack tide) in Arcata Wharf, CA today?

Slack tide in Arcata Wharf, CA is approximately 12:14 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 Arcata Wharf, CA?

Arcata Wharf, CA is currently in a spring phase. Tonight's moon is 90% 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 Arcata Wharf, 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 Arcata Wharf, CA?

Tide predictions for Arcata Wharf, 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 Arcata Wharf, CA?

Tide data for Arcata Wharf, CA is sourced from NOAA Station #9418851. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9418851.

What is the moon phase in Arcata Wharf, CA tonight?

Tonight the moon over Arcata Wharf, CA is Waning Gibbous (90% illuminated). This places Arcata Wharf, 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