Tides Today & Tomorrow in Arcata Wharf, CA

TIDE TIMES for Saturday, September 5, 2026
The tide is currently falling in Arcata Wharf, CA.

Next low tide (tomorrow) : in 7h 06m at 3:16 am (0.0 ft)
Next high tide (tomorrow) : 10:21 am (5.0 ft)
Sunset today : 7:42 pm
Sunrise tomorrow : 6:47 am
Moon phase : Third Quarter (34% illuminated)
Tide Station Location : Station #9418851
Common Questions About Tides

Arcata Wharf, CA Tides - Sep 2026

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Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Tue	3:55	5.7	3:52	7.2	9:35	1.9	10:42	0.6	6:43	7:48		1	Tue
2	Wed	4:56	5.2	4:31	7.3	10:11	2.5	11:41	0.5	6:44	7:47		2	Wed
3	Thu	6:09	4.8	5:20	7.2	10:55	3.1			6:45	7:45		3	Thu
4	Fri	7:36	4.6	6:24	7.1	12:50	0.4	11:55 AM	3.6	6:46	7:44		4	Fri
5	Sat	9:08	4.7	7:39	7.1	2:04	0.2	1:21	3.8	6:47	7:42		5	Sat
6	Sun	10:21	5.0	8:55	7.2	3:16	0.0	2:51	3.7	6:48	7:40		6	Sun
7	Mon	11:12	5.4	10:05	7.3	4:18	-0.3	4:07	3.2	6:49	7:39		7	Mon
8	Tue	11:53	5.8	11:06	7.4	5:11	-0.5	5:09	2.5	6:50	7:37		8	Tue
9	Wed			12:30	6.3	5:57	-0.5	6:03	1.9	6:51	7:35		9	Wed
10	Thu	12:02	7.4	1:04	6.6	6:38	-0.4	6:52	1.3	6:52	7:34		10	Thu
11	Fri	12:53	7.2	1:36	6.9	7:16	0.0	7:38	0.8	6:53	7:32		11	Fri
12	Sat	1:42	6.9	2:07	7.1	7:52	0.5	8:23	0.5	6:54	7:30		12	Sat
13	Sun	2:30	6.5	2:38	7.2	8:26	1.2	9:07	0.4	6:55	7:29		13	Sun
14	Mon	3:18	6.0	3:09	7.1	9:00	1.9	9:51	0.4	6:56	7:27		14	Mon
15	Tue	4:09	5.6	3:41	6.9	9:34	2.5	10:38	0.6	6:57	7:25		15	Tue
16	Wed	5:05	5.1	4:16	6.7	10:09	3.2	11:30	0.8	6:58	7:23		16	Wed
17	Thu	6:10	4.8	4:58	6.4	10:50	3.6			6:59	7:22		17	Thu
18	Fri	7:30	4.6	5:54	6.1	12:30	1.0	11:45 AM	4.0	7:00	7:20		18	Fri
19	Sat	9:02	4.6	7:04	5.9	1:38	1.1	1:09	4.2	7:01	7:18		19	Sat
20	Sun	10:09	4.8	8:17	5.9	2:46	1.1	2:37	4.0	7:02	7:17		20	Sun
21	Mon	10:49	5.1	9:22	6.0	3:45	0.9	3:44	3.6	7:03	7:15		21	Mon
22	Tue	11:18	5.4	10:18	6.2	4:32	0.7	4:36	3.1	7:04	7:13		22	Tue
23	Wed	11:45	5.7	11:08	6.4	5:11	0.5	5:20	2.5	7:05	7:12		23	Wed
24	Thu			12:11	6.1	5:46	0.5	6:01	1.9	7:06	7:10		24	Thu
25	Fri			12:37	6.5	6:18	0.6	6:40	1.3	7:07	7:08		25	Fri
26	Sat	12:40	6.5	1:04	6.9	6:50	0.8	7:20	0.7	7:08	7:06		26	Sat
27	Sun	1:26	6.4	1:31	7.2	7:22	1.2	8:01	0.1	7:09	7:05		27	Sun
28	Mon	2:13	6.3	2:01	7.5	7:55	1.7	8:44	-0.2	7:10	7:03		28	Mon
29	Tue	3:04	6.0	2:33	7.6	8:29	2.2	9:31	-0.4	7:11	7:01		29	Tue
30	Wed	4:00	5.6	3:11	7.6	9:07	2.7	10:24	-0.4	7:12	7:00		30	Wed
Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date

Tidal Data Source: (9418851)

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When is the lowest tide this week in Arcata Wharf, CA?

The lowest tide this week in Arcata Wharf, CA is -0.5 ft on Wednesday, Sep 9 at 5:57 am.

When is the highest tide this week in Arcata Wharf, CA?

The highest tide this week in Arcata Wharf, CA is 7.4 ft on Tuesday, Sep 8 at 11:06 pm — worth noting for launching your boat and being alert for possible high tide flooding.

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 34% 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 time is high tide in Arcata Wharf, CA today?

High tides in Arcata Wharf, CA today: 9:08 am (4.7 ft), 7:39 pm (7.1 ft). The 7:39 pm high of 7.1 ft is notably higher than the other — known as diurnal inequality, common on coasts influenced by lunar declination.

What time is low tide in Arcata Wharf, CA today?

Low tides in Arcata Wharf, CA today: 2:04 am (0.2 ft), 1:21 pm (3.8 ft).

What is the tidal range in Arcata Wharf, CA today?

Today's tidal range in Arcata Wharf, CA is 6.9 ft — the difference between the day's highest and lowest water level. This month's average daily range is about 6.4 ft, so today's swing is above-average.

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

Tonight the moon over Arcata Wharf, CA is Third Quarter (34% illuminated). This places Arcata Wharf, CA in a transitional tide cycle, so tidal ranges are shifting between spring and neap this week.

What type of tides does Arcata Wharf, CA have — semi-diurnal, diurnal, or mixed?

Arcata Wharf, CA has semi-diurnal tides — two high tides and two low tides roughly every 24 hours and 50 minutes, with similar heights.

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

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