Tides Today & Tomorrow in Adak Island, AK

TIDE TIMES for Tuesday, August 25, 2026
The tide is currently rising in Adak Island, AK.

Next low tide : 10:33 am (-0.2 ft)
Next high tide : in 5h 36m at 12:33 am (3.9 ft)
Sunset today : 8:50 pm
Sunrise tomorrow : 6:46 am
Moon phase : Waxing Gibbous (90% illuminated)
Tide Station Location : Station #9461380
Common Questions About Tides

Adak Island, AK Tides - Nov 1916

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Dec 1916 >

Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Wed	11:42	3.9	5:50	3.9	2:15	-1.0	2:36	3.8	8:11	5:48		1	Wed
2	Thu	11:43	3.7	7:19	3.5	3:03	-0.8	3:50	3.3	8:13	5:47		2	Thu
3	Fri	11:50	3.6	8:54	3.0	3:48	-0.4	4:58	2.6	8:15	5:45		3	Fri
4	Sat			12:00	3.5	4:30	0.2	6:03	1.9	8:16	5:43		4	Sat
5	Sun			12:12	3.6	5:08	0.9	7:04	1.2	8:18	5:41		5	Sun
6	Mon	12:45	2.3	12:26	3.7	5:38	1.6	8:00	0.6	8:20	5:40		6	Mon
7	Tue	3:32	2.4	12:40	3.8	5:52	2.3	8:51	0.0	8:22	5:38		7	Tue
8	Wed			12:52	4.0			9:40	-0.4	8:24	5:36		8	Wed
9	Thu			12:57	4.1			10:25	-0.6	8:25	5:35		9	Thu
10	Fri			12:42	4.1			11:09	-0.7	8:27	5:33		10	Fri
11	Sat	10:27	4.2					11:52	-0.7	8:29	5:31		11	Sat
12	Sun	10:21	4.3							8:31	5:30		12	Sun
13	Mon	10:41	4.3			12:34	-0.6			8:32	5:28		13	Mon
14	Tue	11:04	4.2			1:14	-0.5			8:34	5:27		14	Tue
15	Wed	11:25	4.0			1:53	-0.3			8:36	5:26		15	Wed
16	Thu	11:41	3.8			2:29	-0.1			8:38	5:24		16	Thu
17	Fri	11:48	3.6			3:02	0.2			8:39	5:23		17	Fri
18	Sat	11:45	3.5			3:30	0.6			8:41	5:22		18	Sat
19	Sun	11:36	3.4	10:59	2.0	3:49	1.1	7:11	1.8	8:43	5:20		19	Sun
20	Mon	11:26	3.5			3:53	1.6	7:30	1.3	8:44	5:19		20	Mon
21	Tue	11:19	3.7					7:56	0.7	8:46	5:18		21	Tue
22	Wed	11:16	4.0					8:28	0.2	8:48	5:17		22	Wed
23	Thu	11:23	4.4					9:06	-0.3	8:49	5:16		23	Thu
24	Fri	11:42	4.7					9:48	-0.7	8:51	5:15		24	Fri
25	Sat			12:13	5.0			10:35	-1.0	8:53	5:14		25	Sat
26	Sun			12:55	5.0			11:23	-1.2	8:54	5:13		26	Sun
27	Mon			1:48	4.9					8:56	5:12		27	Mon
28	Tue			2:54	4.6	12:12	-1.3			8:57	5:11		28	Tue
29	Wed	10:39	4.2	4:17	4.1	1:00	-1.2	1:35	4.0	8:59	5:11		29	Wed
30	Thu	10:27	4.0	5:55	3.5	1:46	-0.8	3:09	3.4	9:00	5:10		30	Thu
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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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 90% 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 Gibbous (90% 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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