55.8433’ N, 159.1050’ W

Chiachi Island (East Side), AK

49°
H 56°
L 51°
W
4mph
Low tide
7:36 am

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

TIDE TIMES for Monday, August 24, 2026
The tide is currently falling in Chiachi Island (East Side), AK.
Next low tide : in 2h 21m at 7:36 am (1.0 ft)
Next high tide : 1:58 pm (5.4 ft)
Sunset today : 9:50 pm
Sunrise tomorrow : 7:26 am
Moon phase : Waxing Gibbous (89% illuminated)
Tide Station Location : Station #9459085
Common Questions About Tides

Chiachi Island (East Side), AK Tides - Sep 1933

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri11:426.211:048.45:24-0.65:083.35:417:31Waxing Gibbous1Fri
2Sat12:206.86:09-1.16:042.15:437:29Full Moon2Sat
3Sun12:547.46:48-1.46:511.15:447:26Full Moon3Sun
4Mon12:458.51:277.87:23-1.37:340.35:467:23Full Moon4Mon
5Tue1:298.31:588.17:56-0.88:15-0.25:487:21Full Moon5Tue
6Wed2:107.82:288.28:27-0.18:53-0.25:507:18Waning Gibbous6Wed
7Thu2:517.32:578.18:570.89:320.05:527:16Waning Gibbous7Thu
8Fri3:316.63:287.99:271.910:120.65:547:13Waning Gibbous8Fri
9Sat4:135.94:007.69:573.010:561.35:567:10Third Quarter9Sat
10Sun4:595.34:377.210:304.011:492.15:587:08Third Quarter10Sun
11Mon6:014.75:246.811:084.96:007:05Third Quarter11Mon
12Tue7:574.46:326.41:042.712:065.66:027:02Third Quarter12Tue
13Wed10:004.78:026.42:512.71:495.96:047:00Third Quarter13Wed
14Thu10:495.19:226.64:072.23:355.46:066:57Waning Crescent14Thu
15Fri11:195.510:217.04:551.54:384.56:086:54Waning Crescent15Fri
16Sat11:436.011:087.35:300.95:223.56:106:52Waning Crescent16Sat
17Sun12:076.66:000.46:012.46:126:49Waning Crescent17Sun
18Mon12:317.16:280.06:371.36:146:47New Moon18Mon
19Tue12:307.812:577.76:56-0.17:140.36:156:44New Moon19Tue
20Wed1:097.81:248.27:260.17:51-0.56:176:41New Moon20Wed
21Thu1:487.61:538.67:560.68:30-0.96:196:39Waxing Crescent21Thu
22Fri2:307.32:268.88:291.39:12-1.06:216:36Waxing Crescent22Fri
23Sat3:146.83:028.89:032.19:59-0.66:236:33Waxing Crescent23Sat
24Sun4:056.23:448.69:423.110:530.06:256:31Waxing Crescent24Sun
25Mon5:055.64:358.210:274.011:590.76:276:28First Quarter25Mon
26Tue6:255.15:417.711:274.86:296:25First Quarter26Tue
27Wed8:145.17:087.31:241.112:555.36:316:23First Quarter27Wed
28Thu9:385.68:437.22:571.02:474.96:336:20Waxing Gibbous28Thu
29Fri10:316.29:597.44:060.64:113.76:356:17Waxing Gibbous29Fri
30Sat11:116.911:007.64:580.25:112.46:376:15Waxing Gibbous30Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9459085)

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

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Is this week a spring tide or neap tide in Chiachi Island (East Side), AK?

Chiachi Island (East Side), AK is currently in a spring phase. Tonight's moon is 89% 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 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 Waxing Gibbous (89% illuminated). This places Chiachi Island (East Side), 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