Tides Today & Tomorrow in Chiachi Island (East Side), AK

TIDE TIMES for Friday, June 5, 2026
The tide is currently falling in Chiachi Island (East Side), AK.
Next low tide : in 43m at 12:38 pm (-0.3 ft)
Next high tide : 7:08 pm (5.4 ft)
Sunset today : 11:15 pm
Sunrise tomorrow : 5:55 am
Moon phase : Waning Gibbous (75% illuminated)
Tide Station Location : Station #9459085
Common Questions About Tides

Chiachi Island (East Side), AK Tides - Nov 2029

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu10:596.611:046.24:291.95:203.19:446:55Waning Crescent1Thu
2Fri11:447.45:271.86:211.59:466:53Waning Crescent2Fri
3Sat12:136.512:268.26:181.87:130.09:486:51Waning Crescent3Sat
4Sun1:136.912:089.06:061.87:02-1.48:505:49New Moon4Sun
5Mon1:087.212:519.66:521.97:49-2.38:525:47New Moon5Mon
6Tue1:597.41:3410.07:372.18:35-2.88:555:45New Moon6Tue
7Wed2:487.52:1810.18:232.49:21-2.88:575:43Waxing Crescent7Wed
8Thu3:377.33:049.99:082.710:09-2.38:595:41Waxing Crescent8Thu
9Fri4:297.13:519.39:563.210:58-1.59:015:39Waxing Crescent9Fri
10Sat5:226.84:438.510:493.711:50-0.59:035:37Waxing Crescent10Sat
11Sun6:206.55:397.611:494.29:055:35First Quarter11Sun
12Mon7:236.36:446.712:460.51:024.59:075:33First Quarter12Mon
13Tue8:296.48:046.01:481.42:354.39:095:31First Quarter13Tue
14Wed9:296.69:325.62:542.14:033.69:115:30First Quarter14Wed
15Thu10:196.910:485.63:552.65:062.69:135:28Waxing Gibbous15Thu
16Fri10:597.311:495.84:462.95:551.79:155:26Waxing Gibbous16Fri
17Sat11:347.65:303.26:360.99:175:25Waxing Gibbous17Sat
18Sun12:386.012:078.06:093.57:120.39:195:23Waxing Gibbous18Sun
19Mon1:196.212:398.26:453.67:44-0.29:215:22Full Moon19Mon
20Tue1:576.41:118.57:193.88:16-0.49:235:20Full Moon20Tue
21Wed2:316.51:438.67:533.98:48-0.69:255:19Full Moon21Wed
22Thu3:066.52:168.68:274.09:21-0.69:275:17Full Moon22Thu
23Fri3:406.42:508.59:024.19:55-0.59:295:16Waning Gibbous23Fri
24Sat4:176.33:258.39:384.310:32-0.39:315:15Waning Gibbous24Sat
25Sun4:566.24:047.910:194.411:110.09:335:14Waning Gibbous25Sun
26Mon5:376.14:487.411:064.511:530.49:345:12Waning Gibbous26Mon
27Tue6:236.25:416.812:044.59:365:11Third Quarter27Tue
28Wed7:136.46:476.212:400.91:134.29:385:10Third Quarter28Wed
29Thu8:076.78:085.71:331.52:333.59:405:09Third Quarter29Thu
30Fri9:027.39:375.62:312.13:522.49:415:08Waning Crescent30Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9459085)

Common Questions About Chiachi Island (East Side), AK Tides

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What time does the tide turn (slack tide) in Chiachi Island (East Side), AK today?

Slack tide in Chiachi Island (East Side), AK is approximately 3:53 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 Chiachi Island (East Side), AK?

Chiachi Island (East Side), AK is currently in a transitional phase. Tonight's moon is 75% 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 shifting between spring and neap.

What datum are Chiachi Island (East Side), 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 Chiachi Island (East Side), AK?

Tide predictions for Chiachi Island (East Side), 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 Chiachi Island (East Side), AK?

Tide data for Chiachi Island (East Side), AK is sourced from NOAA Station #9459085. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9459085.

What is the moon phase in Chiachi Island (East Side), AK tonight?

Tonight the moon over Chiachi Island (East Side), AK is Waning Gibbous (75% illuminated). This places Chiachi Island (East Side), AK in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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