Tides Today & Tomorrow in Black Rock, Walrus Islands, AK

TIDE TIMES for Sunday, June 21, 2026
The tide is currently rising in Black Rock, Walrus Islands, AK.

Next low tide : 4:05 pm (0.9 ft)
Next high tide : in 3h 06m at 9:34 am (9.3 ft)
Sunset today : 11:55 pm
Sunrise tomorrow : 5:30 am
Moon phase : First Quarter (49% illuminated)
Tide Station Location : Station #9465182
Common Questions About Tides

Black Rock, Walrus Islands, AK Tides - Feb 2011

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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	12:40	7.3	3:03	8.8	7:47	-0.7	8:38	4.3	9:47	6:01		1	Tue
2	Wed	1:34	6.8	3:50	8.6	8:35	-0.2	9:32	4.2	9:44	6:03		2	Wed
3	Thu	2:31	6.4	4:31	8.4	9:20	0.3	10:22	3.9	9:42	6:06		3	Thu
4	Fri	3:30	6.2	5:07	8.2	10:04	0.9	11:08	3.5	9:40	6:08		4	Fri
5	Sat	4:30	6.0	5:38	8.0	10:47	1.4	11:52	3.0	9:38	6:11		5	Sat
6	Sun	5:30	6.1	6:08	7.8	11:32	2.0			9:35	6:13		6	Sun
7	Mon	6:31	6.2	6:37	7.6	12:33	2.6	12:18	2.7	9:33	6:16		7	Mon
8	Tue	7:29	6.5	7:07	7.5	1:13	2.1	1:05	3.3	9:31	6:18		8	Tue
9	Wed	8:26	6.8	7:37	7.3	1:52	1.6	1:54	3.8	9:28	6:21		9	Wed
10	Thu	9:21	7.1	8:06	7.2	2:30	1.2	2:42	4.3	9:26	6:23		10	Thu
11	Fri	10:14	7.3	8:35	7.2	3:09	0.8	3:31	4.8	9:23	6:26		11	Fri
12	Sat	11:05	7.5	9:05	7.2	3:48	0.5	4:19	5.1	9:21	6:28		12	Sat
13	Sun	11:52	7.6	9:40	7.3	4:29	0.1	5:06	5.3	9:18	6:31		13	Sun
14	Mon			12:34	7.7	5:11	-0.2	5:51	5.3	9:16	6:33		14	Mon
15	Tue			1:14	7.8	5:55	-0.5	6:36	5.0	9:13	6:36		15	Tue
16	Wed			1:52	7.9	6:41	-0.7	7:24	4.5	9:10	6:38		16	Wed
17	Thu	12:16	7.6	2:30	8.1	7:30	-0.7	8:16	3.8	9:08	6:41		17	Thu
18	Fri	1:25	7.6	3:10	8.3	8:22	-0.5	9:10	2.9	9:05	6:43		18	Fri
19	Sat	2:41	7.6	3:51	8.5	9:17	-0.1	10:06	1.9	9:03	6:45		19	Sat
20	Sun	3:59	7.7	4:35	8.7	10:14	0.5	11:02	0.9	9:00	6:48		20	Sun
21	Mon	5:15	8.0	5:22	8.8	11:14	1.2			8:57	6:50		21	Mon
22	Tue	6:28	8.3	6:12	8.8	12:00	0.0	12:16	1.8	8:55	6:53		22	Tue
23	Wed	7:38	8.6	7:05	8.7	12:58	-0.7	1:19	2.4	8:52	6:55		23	Wed
24	Thu	8:45	8.9	8:01	8.5	1:56	-1.1	2:22	2.9	8:49	6:58		24	Thu
25	Fri	9:49	9.0	8:58	8.3	2:54	-1.3	3:25	3.2	8:46	7:00		25	Fri
26	Sat	10:52	9.0	9:56	7.9	3:53	-1.3	4:28	3.5	8:44	7:02		26	Sat
27	Sun	11:51	8.9	10:55	7.6	4:51	-1.1	5:30	3.6	8:41	7:05		27	Sun
28	Mon			12:47	8.7	5:47	-0.7	6:29	3.6	8:38	7:07		28	Mon
Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date

Tidal Data Source: (9465182)

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What time does the tide turn (slack tide) in Black Rock, Walrus Islands, AK today?

Slack tide in Black Rock, Walrus Islands, AK is approximately 12:49 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 Black Rock, Walrus Islands, AK?

Black Rock, Walrus Islands, AK is currently in a neap phase. Tonight's moon is 49% 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 minimum.

What datum are Black Rock, Walrus Islands, AK 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 Black Rock, Walrus Islands, AK?

Tide predictions for Black Rock, Walrus Islands, AK 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 Black Rock, Walrus Islands, AK?

Tide data for Black Rock, Walrus Islands, AK is sourced from NOAA Station #9465182. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9465182.

What is the moon phase in Black Rock, Walrus Islands, AK tonight?

Tonight the moon over Black Rock, Walrus Islands, AK is First Quarter (49% illuminated). This places Black Rock, Walrus Islands, AK in a neap tide cycle, so tidal ranges are near their weekly minimum 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

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