Tides Today & Tomorrow in Adak Island, AK

TIDE TIMES for Friday, July 31, 2026
The tide is currently rising in Adak Island, AK.
Next low tide : 1:36 pm (-0.2 ft)
Next high tide : in 1h 54m at 2:22 am (3.5 ft)
Sunset today : 9:37 pm
Sunrise tomorrow : 6:08 am
Moon phase : Waning Gibbous (95% illuminated)
Tide Station Location : Station #9461380
Common Questions About Tides

Adak Island, AK Tides - Jul 2098

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue4:204.52:12-1.75:3210:08Waxing Crescent1Tue
2Wed5:384.011:513.52:58-1.35:3310:08Waxing Crescent2Wed
3Thu7:133.311:463.54:023.13:41-0.85:3410:07Waxing Crescent3Thu
4Fri9:032.611:533.65:292.34:20-0.15:3510:07First Quarter4Fri
5Sat11:062.06:361.44:530.75:3610:06First Quarter5Sat
6Sun12:063.71:311.97:330.65:171.55:3710:06First Quarter6Sun
7Mon12:233.98:25-0.15:3810:05Waxing Gibbous7Mon
8Tue12:394.19:13-0.65:3910:04Waxing Gibbous8Tue
9Wed12:544.29:59-0.95:4010:04Waxing Gibbous9Wed
10Thu1:054.310:44-1.05:4110:03Waxing Gibbous10Thu
11Fri1:114.311:27-1.05:4210:02Full Moon11Fri
12Sat1:164.312:09-0.95:4310:01Full Moon12Sat
13Sun1:274.212:49-0.95:4410:00Full Moon13Sun
14Mon1:444.11:27-0.85:459:59Full Moon14Mon
15Tue1:553.92:01-0.65:479:58Waning Gibbous15Tue
16Wed1:113.72:32-0.45:489:57Waning Gibbous16Wed
17Thu12:293.42:59-0.15:499:56Waning Gibbous17Thu
18Fri12:083.211:483.13:230.35:509:55Waning Gibbous18Fri
19Sat11:323.13:390.85:529:54Third Quarter19Sat
20Sun10:271.711:213.37:011.53:361.35:539:52Third Quarter20Sun
21Mon11:163.57:150.95:549:51Third Quarter21Mon
22Tue11:183.97:410.45:569:50Third Quarter22Tue
23Wed11:324.38:15-0.25:579:48Waning Crescent23Wed
24Thu8:55-0.75:599:47Waning Crescent24Thu
25Fri12:014.79:40-1.16:009:45Waning Crescent25Fri
26Sat12:415.010:29-1.46:029:44New Moon26Sat
27Sun1:325.011:20-1.56:039:42New Moon27Sun
28Mon2:304.912:11-1.56:049:41New Moon28Mon
29Tue3:374.51:00-1.36:069:39New Moon29Tue
30Wed4:564.010:223.11:48-0.96:079:38Waxing Crescent30Wed
31Thu6:313.310:133.22:042.82:32-0.46:099:36Waxing Crescent31Thu
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 7:59 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 95% 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 Waning Gibbous (95% 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