51.8633’ N, 176.6320’ W

Adak Island, AK

50°
H -°
L 47°
NW
28mph
Low tide
5:25 pm

Tides Today & Tomorrow in Adak Island, AK

TIDE TIMES for Friday, September 18, 2026
The tide is currently falling in Adak Island, AK.
Next low tide : in 1h 51m at 5:25 pm (3.3 ft)
Next high tide : 9:19 pm (3.5 ft)
Sunset today : 7:53 pm
Sunrise tomorrow : 7:27 am
Moon phase : First Quarter (50% illuminated)
Tide Station Location : Station #9461380
Common Questions About Tides

Adak Island, AK Tides - May 1861

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed12:293.58:40 AM3.15:142.84:55-0.55:448:39Third Quarter1Wed
2Thu12:573.49:57 AM2.66:222.45:380.05:428:41Third Quarter2Thu
3Fri1:223.211:24 AM2.27:241.96:160.65:408:42Waning Crescent3Fri
4Sat1:393.11:092.08:181.46:461.25:388:44Waning Crescent4Sat
5Sun1:483.03:301.99:041.07:001.75:368:46Waning Crescent5Sun
6Mon1:493.09:430.65:358:47Waning Crescent6Mon
7Tue1:413.010:180.25:338:49New Moon7Tue
8Wed1:243.210:51-0.15:318:51New Moon8Wed
9Thu12:573.411:25-0.35:298:52New Moon9Thu
10Fri12:413.712:01-0.55:288:54New Moon10Fri
11Sat12:403.812:38-0.75:268:55New Moon11Sat
12Sun12:453.91:17-0.85:258:57Waxing Crescent12Sun
13Mon12:563.91:56-0.85:238:59Waxing Crescent13Mon
14Tue1:083.82:34-0.85:219:00Waxing Crescent14Tue
15Wed1:133.73:12-0.75:209:02First Quarter15Wed
16Thu1:063.43:47-0.55:189:03First Quarter16Thu
17Fri12:443.24:20-0.15:179:05First Quarter17Fri
18Sat12:233.19:35 AM2.26:332.14:490.55:169:06First Quarter18Sat
19Sun12:153.211:55 AM1.97:111.35:121.15:149:08Waxing Gibbous19Sun
20Mon12:183.42:291.87:560.55:171.75:139:09Waxing Gibbous20Mon
21Tue12:313.88:45-0.25:129:10Waxing Gibbous21Tue
22Wed12:524.19:36-0.95:109:12Full Moon22Wed
23Thu1:214.410:28-1.35:099:13Full Moon23Thu
24Fri1:574.511:22-1.65:089:14Full Moon24Fri
25Sat2:404.512:15-1.75:079:16Waning Gibbous25Sat
26Sun3:314.31:07-1.65:069:17Waning Gibbous26Sun
27Mon4:294.011:023.71:57-1.45:059:18Waning Gibbous27Mon
28Tue5:343.511:203.62:563.42:44-1.15:049:20Waning Gibbous28Tue
29Wed6:473.011:413.54:262.93:28-0.65:039:21Third Quarter29Wed
30Thu8:122.55:382.44:06-0.15:029:22Third Quarter30Thu
31Fri12:003.49:51 AM2.06:361.84:390.55:019:23Third Quarter31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9461380)

Common Questions About Adak Island, AK Tides

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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 50% 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 (50% 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