Tides Today & Tomorrow in Adak Island, AK

TIDE TIMES for Sunday, June 21, 2026
The tide is currently falling in Adak Island, AK.

Next low tide : in 3h 51m at 5:00 pm (0.4 ft)
Next high tide (tomorrow) : 12:28 am (3.6 ft)
Sunset today : 10:09 pm
Sunrise tomorrow : 5:27 am
Moon phase : First Quarter (50% illuminated)
Tide Station Location : Station #9461380
Common Questions About Tides

Adak Island, AK Tides - Dec 2010

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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	Wed	1:33	2.2	12:02	4.3	4:47	2.0	8:12	0.2	9:32	5:39		1	Wed
2	Thu			12:21	4.6			9:00	-0.4	9:33	5:38		2	Thu
3	Fri			12:43	4.8			9:49	-0.8	9:34	5:38		3	Fri
4	Sat			1:08	4.9			10:38	-1.0	9:36	5:37		4	Sat
5	Sun			1:34	4.9			11:27	-1.1	9:37	5:37		5	Sun
6	Mon			1:58	4.7					9:38	5:36		6	Mon
7	Tue			2:08	4.5	12:14	-1.0			9:39	5:36		7	Tue
8	Wed	10:59	4.3			12:59	-0.8			9:40	5:36		8	Wed
9	Thu	11:05	4.2			1:42	-0.6			9:42	5:36		9	Thu
10	Fri	11:17	4.0			2:20	-0.3			9:43	5:35		10	Fri
11	Sat	11:27	3.9			2:55	0.1			9:44	5:35		11	Sat
12	Sun	11:34	3.8			3:24	0.6			9:45	5:35		12	Sun
13	Mon	11:36	3.8	11:05	2.0	3:46	1.1	7:14	1.8	9:46	5:35		13	Mon
14	Tue	11:36	3.8			3:53	1.6	7:37	1.3	9:46	5:35		14	Tue
15	Wed	11:36	3.9					8:04	0.8	9:47	5:35		15	Wed
16	Thu	11:35	4.1					8:34	0.4	9:48	5:36		16	Thu
17	Fri	11:36	4.4					9:06	0.0	9:49	5:36		17	Fri
18	Sat	11:42	4.6					9:42	-0.3	9:49	5:36		18	Sat
19	Sun	11:58	4.9					10:20	-0.5	9:50	5:37		19	Sun
20	Mon			12:25	5.0			11:00	-0.7	9:51	5:37		20	Mon
21	Tue			12:59	5.0			11:42	-0.9	9:51	5:37		21	Tue
22	Wed			1:40	4.8					9:52	5:38		22	Wed
23	Thu			2:25	4.5	12:24	-0.9			9:52	5:39		23	Thu
24	Fri	11:23	4.0			1:05	-0.7			9:52	5:39		24	Fri
25	Sat	10:36	3.9			1:44	-0.4			9:53	5:40		25	Sat
26	Sun	10:22	3.9	7:58	2.7	2:21	0.1	4:43	2.4	9:53	5:41		26	Sun
27	Mon	10:24	4.0	10:14	2.3	2:55	0.7	5:33	1.6	9:53	5:41		27	Mon
28	Tue	10:37	4.3			3:22	1.4	6:22	0.8	9:53	5:42		28	Tue
29	Wed	12:50	2.2	10:56 AM	4.6	3:35	2.1	7:11	0.1	9:53	5:43		29	Wed
30	Thu	11:20	4.8					8:00	-0.4	9:53	5:44		30	Thu
31	Fri	11:46	5.0					8:48	-0.7	9:53	5:45		31	Fri
Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date

Tidal Data Source: (9461380)

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What time does the tide turn (slack tide) in Adak Island, AK today?

Slack tide in Adak Island, AK is approximately 8:44 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 Adak Island, AK?

Adak Island, AK is currently in a neap phase. Tonight's moon is 50% 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 Adak Island, 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 Adak Island, AK?

Tide predictions for Adak Island, 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 Adak Island, AK?

Tide data for Adak Island, AK is sourced from NOAA Station #9461380. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9461380.

What is the moon phase in Adak Island, AK tonight?

Tonight the moon over Adak Island, AK is First Quarter (50% illuminated). This places Adak Island, 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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