51.8633’ N, 176.6320’ W

Adak Island, AK

66°
H 67°
L 58°
SSW
18mph
High tide
8:54 am

Tides Today & Tomorrow in Adak Island, AK

TIDE TIMES for Monday, August 31, 2026
The tide is currently rising in Adak Island, AK.
Next low tide : 1:40 pm (1.8 ft)
Next high tide : in 4h 31m at 8:54 am (2.2 ft)
Sunset today : 8:35 pm
Sunrise tomorrow : 6:57 am
Moon phase : Waning Gibbous (85% illuminated)
Tide Station Location : Station #9461380
Common Questions About Tides

Adak Island, AK Tides - Oct 1905

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun6:562.95:053.411:362.27:176:55Waxing Crescent1Sun
2Mon8:243.15:503.612:45-0.112:382.57:186:52Waxing Crescent2Mon
3Tue9:383.36:403.71:44-0.41:422.87:206:50First Quarter3Tue
4Wed10:413.47:333.72:40-0.62:462.97:226:48First Quarter4Wed
5Thu11:363.58:303.63:36-0.63:492.87:236:46First Quarter5Thu
6Fri12:263.44:29-0.44:522.77:256:43First Quarter6Fri
7Sat1:123.35:22-0.25:532.67:276:41Waxing Gibbous7Sat
8Sun1:533.26:120.26:532.47:286:39Waxing Gibbous8Sun
9Mon2:293.07:000.67:522.17:306:37Waxing Gibbous9Mon
10Tue12:422.72:562.97:461.08:471.97:326:34Waxing Gibbous10Tue
11Wed2:032.53:142.78:311.49:371.67:346:32Full Moon11Wed
12Thu3:412.43:242.79:151.810:211.37:356:30Full Moon12Thu
13Fri5:372.53:282.710:042.211:001.17:376:28Full Moon13Fri
14Sat7:232.73:332.711:032.511:380.87:396:26Full Moon14Sat
15Sun8:402.93:362.912:182.87:406:23Waning Gibbous15Sun
16Mon9:363.112:150.57:426:21Waning Gibbous16Mon
17Tue10:223.312:530.37:446:19Waning Gibbous17Tue
18Wed11:043.41:310.27:466:17Waning Gibbous18Wed
19Thu11:443.52:100.17:476:15Third Quarter19Thu
20Fri12:193.52:500.07:496:13Third Quarter20Fri
21Sat12:443.43:300.04:343.27:516:11Third Quarter21Sat
22Sun12:533.24:100.15:002.97:536:09Third Quarter22Sun
23Mon12:523.14:500.35:402.67:546:06Waning Crescent23Mon
24Tue12:553.05:300.56:302.17:566:04Waning Crescent24Tue
25Wed1:063.16:100.97:271.67:586:02Waning Crescent25Wed
26Thu1:042.61:243.36:521.48:271.08:006:00New Moon26Thu
27Fri2:552.61:503.57:372.09:270.48:025:58New Moon27Fri
28Sat4:542.82:233.78:302.510:27-0.18:035:57New Moon28Sat
29Sun6:443.13:043.89:372.911:25-0.58:055:55Waxing Crescent29Sun
30Mon8:033.43:513.911:023.38:075:53Waxing Crescent30Mon
31Tue8:593.74:453.912:22-0.812:303.48:095:51Waxing Crescent31Tue
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 spring phase. Tonight's moon is 85% 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 (85% 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