Tides Today & Tomorrow in Adak Island, AK

TIDE TIMES for Saturday, August 15, 2026
The tide is currently falling in Adak Island, AK.

Next low tide : in 1h 44m at 2:09 am (2.1 ft)
Next high tide : 6:58 am (2.8 ft)
Sunset today : 9:09 pm
Sunrise tomorrow : 6:32 am
Moon phase : Waxing Crescent (13% illuminated)
Tide Station Location : Station #9461380
Common Questions About Tides

Adak Island, AK Tides - Jun 1934

< May 1934

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Jul 1934 >

Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Fri	3:23	4.2	10:38	3.7			1:12	-1.6	5:02	9:25		1	Fri
2	Sat	4:44	3.7	10:31	3.6	1:41	3.5	1:58	-1.2	5:02	9:26		2	Sat
3	Sun	6:19	3.1	10:38	3.5	3:17	2.9	2:41	-0.7	5:01	9:27		3	Sun
4	Mon	8:07	2.4	10:50	3.6	4:33	2.1	3:20	0.0	5:00	9:28		4	Mon
5	Tue	10:12	1.9	11:05	3.7	5:36	1.3	3:53	0.8	5:00	9:29		5	Tue
6	Wed			12:47	1.8	6:32	0.5	4:12	1.5	4:59	9:30		6	Wed
7	Thu			11:35	3.9	7:23	-0.1			4:58	9:31		7	Thu
8	Fri			11:46	4.0	8:09	-0.6			4:58	9:32		8	Fri
9	Sat			11:49	4.1	8:53	-0.9			4:57	9:33		9	Sat
10	Sun			11:40	4.2	9:35	-1.0			4:57	9:34		10	Sun
11	Mon			11:25	4.2	10:16	-1.0			4:57	9:34		11	Mon
12	Tue			11:18	4.2	10:55	-1.0			4:56	9:35		12	Tue
13	Wed			11:15	4.1	11:33	-0.9			4:56	9:36		13	Wed
14	Thu			11:10	3.9			12:10	-0.9	4:56	9:36		14	Thu
15	Fri			11:05	3.7			12:45	-0.7	4:56	9:37		15	Fri
16	Sat			11:01	3.5			1:17	-0.5	4:56	9:37		16	Sat
17	Sun			10:53	3.3			1:45	-0.2	4:56	9:38		17	Sun
18	Mon			10:37	3.2			2:09	0.2	4:56	9:38		18	Mon
19	Tue			10:21	3.2			2:24	0.7	4:56	9:38		19	Tue
20	Wed	9:38	1.5	10:11	3.4	6:21	1.4	2:19	1.2	4:56	9:39		20	Wed
21	Thu			10:06	3.6	6:27	0.8			4:56	9:39		21	Thu
22	Fri			10:10	4.0	6:50	0.2			4:56	9:39		22	Fri
23	Sat			10:26	4.4	7:21	-0.4			4:57	9:39		23	Sat
24	Sun			10:54	4.8	8:00	-0.9			4:57	9:39		24	Sun
25	Mon			11:34	5.0	8:44	-1.3			4:57	9:39		25	Mon
26	Tue					9:32	-1.6			4:58	9:39		26	Tue
27	Wed	12:22	5.0			10:22	-1.8			4:58	9:39		27	Wed
28	Thu	1:19	4.8			11:12	-1.7			4:59	9:39		28	Thu
29	Fri	2:25	4.4					12:01	-1.5	5:00	9:39		29	Fri
30	Sat	3:44	3.8	9:14	3.4			12:46	-1.1	5:00	9:39		30	Sat
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 4:33 am — 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 13% 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 (13% 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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