Tides Today & Tomorrow in Arcata Wharf, CA

TIDE TIMES for Wednesday, August 12, 2026
The tide is currently rising in Arcata Wharf, CA.
Next low tide : 6:59 pm (2.2 ft)
Next high tide : in 4h 50m at 1:43 pm (6.1 ft)
Sunset today : 8:18 pm
Sunrise tomorrow : 6:23 am
Moon phase : New Moon (0% illuminated)
Tide Station Location : Station #9418851
Common Questions About Tides

Arcata Wharf, CA Tides - Apr 1951

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun7:546.59:545.62:033.33:03-0.16:006:40Waning Crescent1Sun
2Mon9:056.410:336.03:152.63:54-0.15:586:41Waning Crescent2Mon
3Tue10:076.411:066.44:131.94:380.15:576:42Waning Crescent3Tue
4Wed11:026.311:376.75:031.25:170.45:556:43New Moon4Wed
5Thu11:526.25:480.65:520.85:536:44New Moon5Thu
6Fri12:066.912:396.06:290.26:261.35:526:45New Moon6Fri
7Sat12:347.01:245.87:09-0.16:591.85:506:46New Moon7Sat
8Sun1:027.02:095.57:47-0.27:312.45:496:47Waxing Crescent8Sun
9Mon1:306.92:555.28:26-0.28:032.85:476:48Waxing Crescent9Mon
10Tue1:596.73:444.99:070.08:353.25:456:49Waxing Crescent10Tue
11Wed2:326.54:404.79:520.29:113.55:446:51Waxing Crescent11Wed
12Thu3:116.25:464.510:440.59:583.85:426:52First Quarter12Thu
13Fri4:005.97:004.411:440.711:123.95:416:53First Quarter13Fri
14Sat5:055.68:064.612:470.85:396:54First Quarter14Sat
15Sun6:215.48:524.812:453.81:480.75:376:55First Quarter15Sun
16Mon7:355.49:275.22:033.42:390.75:366:56Waxing Gibbous16Mon
17Tue8:415.59:575.63:032.73:230.65:346:57Waxing Gibbous17Tue
18Wed9:415.610:266.13:532.04:020.75:336:58Waxing Gibbous18Wed
19Thu10:365.810:566.64:381.14:400.95:316:59Waxing Gibbous19Thu
20Fri11:295.911:267.15:210.35:171.25:307:00Full Moon20Fri
21Sat12:225.96:05-0.55:551.65:287:01Full Moon21Sat
22Sun1:155.86:49-1.16:342.05:277:02Full Moon22Sun
23Mon12:357.82:105.77:35-1.57:152.55:267:03Waning Gibbous23Mon
24Tue1:147.83:075.58:25-1.68:002.85:247:04Waning Gibbous24Tue
25Wed1:597.74:095.29:18-1.48:523.15:237:05Waning Gibbous25Wed
26Thu2:517.45:165.110:16-1.19:563.35:217:06Third Quarter26Thu
27Fri3:536.96:265.111:18-0.811:153.45:207:07Third Quarter27Fri
28Sat5:056.37:305.312:24-0.45:197:08Third Quarter28Sat
29Sun7:245.99:245.612:433.12:27-0.16:178:09Third Quarter29Sun
30Mon8:435.610:096.03:042.53:230.36:168:10Waning Crescent30Mon
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 4:21 pm — 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 0% 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 New Moon (0% 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