Tides Today & Tomorrow in Adak Island, AK

TIDE TIMES for Wednesday, August 5, 2026
The tide is currently falling in Adak Island, AK.
Next low tide : in 5h 32m at 5:58 am (0.4 ft)
Next high tide : 10:10 pm (3.9 ft)
Sunset today : 9:28 pm
Sunrise tomorrow : 6:16 am
Moon phase : Third Quarter (52% illuminated)
Tide Station Location : Station #9461380
Common Questions About Tides

Adak Island, AK Tides - Aug 1949

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon11:212.19:034.04:230.32:072.06:099:36First Quarter1Mon
2Tue9:284.35:15-0.46:109:34First Quarter2Tue
3Wed9:594.56:07-0.96:129:32Waxing Gibbous3Wed
4Thu10:334.66:59-1.16:139:31Waxing Gibbous4Thu
5Fri11:094.57:51-1.26:159:29Waxing Gibbous5Fri
6Sat11:464.38:43-1.16:169:27Waxing Gibbous6Sat
7Sun9:33-1.06:189:25Full Moon7Sun
8Mon12:224.110:20-0.86:209:24Full Moon8Mon
9Tue12:583.711:04-0.56:219:22Full Moon9Tue
10Wed1:353.48:573.111:42-0.26:239:20Waning Gibbous10Wed
11Thu8:422.912:160.26:249:18Waning Gibbous11Thu
12Fri4:322.48:302.82:062.412:460.66:269:16Waning Gibbous12Fri
13Sat6:352.18:202.92:421.91:121.16:289:14Waning Gibbous13Sat
14Sun8:522.08:163.03:161.41:311.76:299:12Third Quarter14Sun
15Mon8:173.23:500.96:319:10Third Quarter15Mon
16Tue8:223.54:260.56:329:08Third Quarter16Tue
17Wed8:323.75:040.16:349:06Third Quarter17Wed
18Thu8:514.05:43-0.26:369:04Third Quarter18Thu
19Fri9:224.36:25-0.46:379:02Waning Crescent19Fri
20Sat10:034.47:09-0.66:399:00Waning Crescent20Sat
21Sun10:514.47:54-0.86:408:58Waning Crescent21Sun
22Mon11:484.38:40-0.86:428:55New Moon22Mon
23Tue9:25-0.76:448:53New Moon23Tue
24Wed12:563.910:10-0.56:458:51New Moon24Wed
25Thu2:253.46:422.610:53-0.111:062.26:478:49Waxing Crescent25Thu
26Fri4:162.96:302.811:340.56:498:47Waxing Crescent26Fri
27Sat6:162.56:413.112:381.412:141.26:508:45Waxing Crescent27Sat
28Sun8:212.57:033.51:470.612:531.86:528:42Waxing Crescent28Sun
29Mon10:272.67:323.92:47-0.11:312.46:538:40First Quarter29Mon
30Tue8:084.13:44-0.66:558:38First Quarter30Tue
31Wed8:494.24:39-0.96:578:36First Quarter31Wed
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 2:04 pm — 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 52% 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 Third Quarter (52% 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