Tides Today & Tomorrow in Adak Island, AK

TIDE TIMES for Sunday, August 16, 2026
The tide is currently falling in Adak Island, AK.

Next low tide : in 5h 50m at 2:45 pm (1.1 ft)
Next high tide : 9:26 pm (3.1 ft)
Sunset today : 9:07 pm
Sunrise tomorrow : 6:33 am
Moon phase : Waxing Crescent (20% illuminated)
Tide Station Location : Station #9461380
Common Questions About Tides

Adak Island, AK Tides - Nov 1931

< Oct 1931

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Dec 1931 >

Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Sun			1:08	4.2	2:08	-0.7			8:10	5:50		1	Sun
2	Mon			1:29	3.9	2:51	-0.7			8:12	5:48		2	Mon
3	Tue			1:19	3.6	3:33	-0.5	4:29	3.5	8:13	5:46		3	Tue
4	Wed			12:53	3.3	4:13	-0.2	5:17	3.0	8:15	5:44		4	Wed
5	Thu			12:34	3.2	4:50	0.2	6:15	2.3	8:17	5:42		5	Thu
6	Fri			12:29	3.3	5:23	0.8	7:14	1.4	8:19	5:41		6	Fri
7	Sat	12:43	2.4	12:35	3.6	5:50	1.6	8:11	0.6	8:21	5:39		7	Sat
8	Sun	3:29	2.4	12:48	3.9	5:58	2.3	9:08	-0.2	8:22	5:37		8	Sun
9	Mon			1:07	4.3			10:03	-0.8	8:24	5:36		9	Mon
10	Tue			1:32	4.5			10:57	-1.2	8:26	5:34		10	Tue
11	Wed			2:03	4.6			11:50	-1.4	8:28	5:32		11	Wed
12	Thu			2:40	4.5					8:30	5:31		12	Thu
13	Fri	10:30	4.4			12:42	-1.4			8:31	5:29		13	Fri
14	Sat	10:51	4.4			1:33	-1.2			8:33	5:28		14	Sat
15	Sun	11:18	4.2			2:22	-0.9			8:35	5:27		15	Sun
16	Mon	11:45	4.0			3:08	-0.5			8:37	5:25		16	Mon
17	Tue			12:08	3.8	3:50	0.0			8:38	5:24		17	Tue
18	Wed			12:24	3.6	4:26	0.5	7:05	2.2	8:40	5:22		18	Wed
19	Thu			12:31	3.4	4:54	1.1	7:43	1.7	8:42	5:21		19	Thu
20	Fri	12:11	2.1	12:27	3.4	5:05	1.7	8:16	1.2	8:43	5:20		20	Fri
21	Sat			12:17	3.5			8:46	0.8	8:45	5:19		21	Sat
22	Sun	11:59	3.7					9:15	0.4	8:47	5:18		22	Sun
23	Mon	11:33	3.9					9:46	0.0	8:48	5:17		23	Mon
24	Tue	11:15	4.2					10:20	-0.3	8:50	5:16		24	Tue
25	Wed	11:14	4.5					10:56	-0.5	8:52	5:15		25	Wed
26	Thu	11:24	4.7					11:35	-0.7	8:53	5:14		26	Thu
27	Fri	11:42	4.8							8:55	5:13		27	Fri
28	Sat			12:02	4.7	12:15	-0.8			8:56	5:12		28	Sat
29	Sun			12:15	4.6	12:56	-0.8			8:58	5:11		29	Sun
30	Mon			12:09	4.3	1:36	-0.8			8:59	5:10		30	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: (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 6:05 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 spring phase. Tonight's moon is 20% 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 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 Waxing Crescent (20% illuminated). This places Adak Island, AK 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

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