Tides Today & Tomorrow in Arcata Wharf, CA

TIDE TIMES for Saturday, August 8, 2026
The tide is currently rising in Arcata Wharf, CA.
Next low tide (tomorrow) : 4:37 am (-0.6 ft)
Next high tide : in 4h 53m at 9:02 pm (7.6 ft)
Sunset today : 8:24 pm
Sunrise tomorrow : 6:20 am
Moon phase : Waning Crescent (21% illuminated)
Tide Station Location : Station #9418851
Common Questions About Tides

Arcata Wharf, CA Tides - May 1958

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu11:466.011:477.55:36-0.25:340.96:148:12Waxing Gibbous1Thu
2Fri12:446.16:26-0.96:221.16:138:13Full Moon2Fri
3Sat12:307.81:406.27:15-1.47:091.46:128:14Full Moon3Sat
4Sun1:147.92:336.18:03-1.77:571.76:108:15Full Moon4Sun
5Mon1:587.93:266.08:51-1.78:452.16:098:16Waning Gibbous5Mon
6Tue2:447.64:205.89:40-1.49:372.46:088:17Waning Gibbous6Tue
7Wed3:327.15:155.610:30-1.010:332.66:078:18Waning Gibbous7Wed
8Thu4:236.56:125.511:21-0.511:362.86:068:19Third Quarter8Thu
9Fri5:205.97:105.512:150.06:058:20Third Quarter9Fri
10Sat6:235.48:055.512:472.81:110.56:048:21Third Quarter10Sat
11Sun7:335.08:555.72:022.62:070.96:028:22Third Quarter11Sun
12Mon8:454.89:385.93:102.23:011.36:018:23Waning Crescent12Mon
13Tue9:524.710:166.14:071.63:491.56:008:24Waning Crescent13Tue
14Wed10:524.810:516.34:541.14:341.85:598:25Waning Crescent14Wed
15Thu11:444.911:246.65:350.65:142.05:588:26Waning Crescent15Thu
16Fri12:305.16:130.25:532.25:578:27New Moon16Fri
17Sat1:135.26:49-0.26:292.35:578:28New Moon17Sat
18Sun12:296.91:555.37:25-0.57:062.55:568:29New Moon18Sun
19Mon1:026.92:365.38:01-0.77:432.65:558:30New Moon19Mon
20Tue1:366.93:185.38:38-0.88:212.85:548:31Waxing Crescent20Tue
21Wed2:126.94:025.39:17-0.99:032.95:538:32Waxing Crescent21Wed
22Thu2:506.74:485.39:58-0.89:512.95:528:33Waxing Crescent22Thu
23Fri3:356.55:365.410:43-0.610:482.95:528:34Waxing Crescent23Fri
24Sat4:276.16:265.611:31-0.311:552.85:518:34First Quarter24Sat
25Sun5:315.77:165.812:230.05:508:35First Quarter25Sun
26Mon6:465.38:076.21:092.41:180.45:508:36First Quarter26Mon
27Tue8:065.18:566.62:221.82:160.85:498:37First Quarter27Tue
28Wed9:245.09:437.13:291.03:141.25:488:38Waxing Gibbous28Wed
29Thu10:375.210:317.54:290.14:101.55:488:39Waxing Gibbous29Thu
30Fri11:435.411:177.85:23-0.75:041.75:478:39Waxing Gibbous30Fri
31Sat12:425.66:14-1.35:561.95:478:40Full Moon31Sat
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 12:49 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 transitional phase. Tonight's moon is 21% 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 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 Crescent (21% illuminated). This places Arcata Wharf, 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