Tides Today & Tomorrow in Adak Island, AK

TIDE TIMES for Sunday, June 21, 2026
The tide is currently rising in Adak Island, AK.
Next low tide : 6:43 am (1.7 ft)
Next high tide : in 3h 08m at 12:14 am (3.6 ft)
Sunset today : 10:09 pm
Sunrise tomorrow : 5:26 am
Moon phase : First Quarter (40% illuminated)
Tide Station Location : Station #9461380
Common Questions About Tides

Adak Island, AK Tides - Feb 2012

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed10:294.17:200.39:256:34First Quarter1Wed
2Thu10:484.27:590.19:246:36Waxing Gibbous2Thu
3Fri11:104.38:38-0.19:226:38Waxing Gibbous3Fri
4Sat11:374.49:16-0.19:206:39Waxing Gibbous4Sat
5Sun12:104.39:53-0.29:196:41Waxing Gibbous5Sun
6Mon12:494.210:30-0.19:176:43Full Moon6Mon
7Tue1:413.911:070.19:156:45Full Moon7Tue
8Wed2:523.511:440.49:146:47Full Moon8Wed
9Thu8:103.04:333.112:132.89:126:49Waning Gibbous9Thu
10Fri7:463.16:272.712:210.71:422.19:106:51Waning Gibbous10Fri
11Sat7:523.48:242.512:571.22:471.59:086:52Waning Gibbous11Sat
12Sun8:123.710:252.51:321.73:440.89:066:54Waning Gibbous12Sun
13Mon8:404.02:052.24:390.29:046:56Third Quarter13Mon
14Tue12:302.79:15 AM4.32:332.65:33-0.29:026:58Third Quarter14Tue
15Wed9:564.56:26-0.59:007:00Third Quarter15Wed
16Thu10:414.67:19-0.68:597:02Waning Crescent16Thu
17Fri11:294.58:11-0.68:577:03Waning Crescent17Fri
18Sat12:194.39:02-0.48:557:05Waning Crescent18Sat
19Sun1:114.09:51-0.28:537:07Waning Crescent19Sun
20Mon2:073.710:370.18:517:09New Moon20Mon
21Tue6:543.03:113.310:182.811:210.58:487:11New Moon21Tue
22Wed7:093.04:272.911:512.58:467:13New Moon22Wed
23Thu7:222.95:582.612:020.91:062.18:447:14Waxing Crescent23Thu
24Fri7:333.07:412.412:411.32:031.78:427:16Waxing Crescent24Fri
25Sat7:453.09:342.41:171.72:501.38:407:18Waxing Crescent25Sat
26Sun7:593.211:232.61:502.13:330.98:387:20Waxing Crescent26Sun
27Mon8:173.32:192.44:150.78:367:22Waxing Crescent27Mon
28Tue8:383.54:570.48:347:24First Quarter28Tue
29Wed9:023.65:390.38:317:25First Quarter29Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9461380)

Common Questions About Adak Island, AK Tides

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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 3:28 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 neap phase. Tonight's moon is 40% 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 (40% 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