Tides Today & Tomorrow in Arcata Wharf, CA

TIDE TIMES for Thursday, July 23, 2026
The tide is currently falling in Arcata Wharf, CA.
Next low tide : in 4h 31m at 3:15 am (1.0 ft)
Next high tide : 9:54 am (4.3 ft)
Sunset today : 8:41 pm
Sunrise tomorrow : 6:03 am
Moon phase : First Quarter (63% illuminated)
Tide Station Location : Station #9418851
Common Questions About Tides

Arcata Wharf, CA Tides - Mar 1981

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun7:596.510:075.01:503.73:210.76:496:07Waning Crescent1Sun
2Mon8:566.810:505.32:573.54:090.26:486:08Waning Crescent2Mon
3Tue9:497.111:285.73:533.24:52-0.26:466:09Waning Crescent3Tue
4Wed10:397.44:432.75:32-0.56:456:11New Moon4Wed
5Thu12:036.111:28 AM7.65:302.26:11-0.66:436:12New Moon5Thu
6Fri12:386.512:167.66:161.66:50-0.56:426:13New Moon6Fri
7Sat1:136.81:047.47:031.17:29-0.36:406:14New Moon7Sat
8Sun1:507.11:557.17:520.78:090.26:386:15Waxing Crescent8Sun
9Mon2:287.32:506.68:440.58:500.96:376:16Waxing Crescent9Mon
10Tue3:107.43:506.09:390.39:351.66:356:17Waxing Crescent10Tue
11Wed3:557.44:595.510:400.310:262.36:346:18First Quarter11Wed
12Thu4:477.26:175.111:470.411:282.86:326:19First Quarter12Thu
13Fri5:477.07:445.012:590.36:306:21First Quarter13Fri
14Sat6:556.89:035.212:433.22:100.26:296:22First Quarter14Sat
15Sun8:056.810:045.52:033.23:140.16:276:23Waxing Gibbous15Sun
16Mon9:106.810:515.83:132.94:080.06:256:24Waxing Gibbous16Mon
17Tue10:076.811:296.04:122.54:53-0.16:246:25Waxing Gibbous17Tue
18Wed10:576.85:012.15:330.06:226:26Full Moon18Wed
19Thu12:026.211:42 AM6.75:451.76:090.26:206:27Full Moon19Thu
20Fri12:326.412:236.66:241.46:420.46:196:28Full Moon20Fri
21Sat1:016.51:036.47:021.17:140.86:176:29Full Moon21Sat
22Sun1:286.51:426.17:401.07:451.26:156:30Waning Gibbous22Sun
23Mon1:566.52:235.88:180.98:151.76:146:31Waning Gibbous23Mon
24Tue2:246.53:075.48:570.98:462.26:126:32Waning Gibbous24Tue
25Wed2:556.43:565.19:390.99:192.66:106:33Waning Gibbous25Wed
26Thu3:286.24:534.810:271.09:563.16:096:34Third Quarter26Thu
27Fri4:096.16:024.611:231.110:473.46:076:36Third Quarter27Fri
28Sat5:015.97:184.612:271.06:056:37Third Quarter28Sat
29Sun6:065.98:284.712:013.61:320.86:046:38Third Quarter29Sun
30Mon7:176.09:225.11:243.52:330.66:026:39Waning Crescent30Mon
31Tue8:246.210:055.52:353.13:250.26:006:40Waning Crescent31Tue
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 6:34 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 63% 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 First Quarter (63% 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