Tides Today & Tomorrow in Adak Island, AK

TIDE TIMES for Wednesday, September 30, 2026
The tide is currently falling in Adak Island, AK.

Next low tide : in 2h 12m at 2:51 am (-0.4 ft)
Next high tide : 6:23 pm (3.9 ft)
Sunset today : 7:26 pm
Sunrise tomorrow : 7:46 am
Moon phase : Waning Gibbous (79% illuminated)
Tide Station Location : Station #9461380
Common Questions About Tides

Adak Island, AK Tides - Dec 1840

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Jan 1841 >

Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Tue			12:26	3.7	3:34	0.2			9:01	5:07		1	Tue
2	Wed			12:12	3.6	3:55	0.6			9:02	5:07		2	Wed
3	Thu	11:59	3.7	11:58	1.9	4:05	1.2	7:40	1.6	9:04	5:06		3	Thu
4	Fri	11:51	3.9			3:43	1.7	8:00	0.9	9:05	5:06		4	Fri
5	Sat	11:50	4.3					8:33	0.2	9:06	5:05		5	Sat
6	Sun			12:00	4.7			9:13	-0.5	9:07	5:05		6	Sun
7	Mon			12:21	5.1			9:59	-1.0	9:09	5:05		7	Mon
8	Tue			12:54	5.4			10:50	-1.4	9:10	5:04		8	Tue
9	Wed			1:38	5.4			11:42	-1.6	9:11	5:04		9	Wed
10	Thu			2:32	5.3					9:12	5:04		10	Thu
11	Fri			3:36	4.9	12:34	-1.6			9:13	5:04		11	Fri
12	Sat	11:27	4.3	4:54	4.4	1:26	-1.4	1:33	4.2	9:14	5:04		12	Sat
13	Sun	11:07	4.1	6:24	3.7	2:14	-1.0	3:34	3.6	9:15	5:04		13	Sun
14	Mon	11:12	4.0	8:07	3.1	2:59	-0.5	4:56	2.8	9:16	5:04		14	Mon
15	Tue	11:24	4.0	10:04	2.5	3:39	0.2	6:01	2.0	9:17	5:04		15	Tue
16	Wed	11:38	4.1			4:14	0.9	6:57	1.2	9:17	5:04		16	Wed
17	Thu	12:22	2.2	11:51 AM	4.2	4:39	1.7	7:46	0.6	9:18	5:05		17	Thu
18	Fri			12:02	4.3			8:31	0.1	9:19	5:05		18	Fri
19	Sat			12:07	4.4			9:13	-0.2	9:19	5:05		19	Sat
20	Sun			12:04	4.5			9:52	-0.4	9:20	5:06		20	Sun
21	Mon	11:54	4.6					10:29	-0.5	9:20	5:06		21	Mon
22	Tue	11:50	4.7					11:07	-0.5	9:21	5:07		22	Tue
23	Wed			12:00	4.8			11:43	-0.5	9:21	5:07		23	Wed
24	Thu			12:17	4.7					9:22	5:08		24	Thu
25	Fri			12:29	4.6	12:19	-0.5			9:22	5:09		25	Fri
26	Sat			12:16	4.4	12:54	-0.4			9:22	5:10		26	Sat
27	Sun	11:54	4.2			1:26	-0.3			9:22	5:10		27	Sun
28	Mon	11:38	4.0			1:55	-0.1			9:22	5:11		28	Mon
29	Tue	11:20	3.8			2:20	0.3			9:23	5:12		29	Tue
30	Wed	11:00	3.7			2:39	0.7			9:23	5:13		30	Wed
31	Thu	10:45	3.8			2:45	1.2	6:29	1.5	9:22	5:14		31	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 transitional phase. Tonight's moon is 79% 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 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 Waning Gibbous (79% illuminated). This places Adak Island, AK in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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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