55.8433’ N, 159.1050’ W

Chiachi Island (East Side), AK

43°
H -°
L 42°
SE
5mph
High tide
1:12 am

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

TIDE TIMES for Thursday, September 24, 2026
The tide is currently rising in Chiachi Island (East Side), AK.
Next low tide : 7:56 am (0.5 ft)
Next high tide : in 3h 50m at 1:12 am (7.2 ft)
Sunset today : 8:32 pm
Sunrise tomorrow : 8:24 am
Moon phase : Waxing Gibbous (91% illuminated)
Tide Station Location : Station #9459085
Common Questions About Tides

Chiachi Island (East Side), AK Tides - Nov 1873

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat11:377.611:527.35:230.76:011.37:444:56Waxing Gibbous1Sat
2Sun12:158.46:090.66:51-0.37:464:54Waxing Gibbous2Sun
3Mon12:487.512:529.16:510.87:37-1.57:494:52Full Moon3Mon
4Tue1:407.61:309.57:321.28:20-2.27:514:49Full Moon4Tue
5Wed2:287.52:079.78:121.89:03-2.47:534:47Full Moon5Wed
6Thu3:157.32:449.68:512.59:45-2.17:554:45Waning Gibbous6Thu
7Fri4:037.03:239.29:303.310:29-1.47:574:43Waning Gibbous7Fri
8Sat4:526.64:038.610:124.111:15-0.47:594:41Waning Gibbous8Sat
9Sun5:466.14:477.910:564.88:014:40Waning Gibbous9Sun
10Mon6:475.85:387.112:050.611:50 AM5.48:034:38Third Quarter10Mon
11Tue8:025.66:416.41:041.51:015.88:054:36Third Quarter11Tue
12Wed9:195.78:035.92:142.12:485.68:074:34Third Quarter12Wed
13Thu10:146.09:325.73:262.34:204.88:104:32Third Quarter13Thu
14Fri10:526.410:435.84:222.45:163.78:124:30Waning Crescent14Fri
15Sat11:226.811:385.95:062.45:592.68:144:29Waning Crescent15Sat
16Sun11:507.35:422.56:351.58:164:27Waning Crescent16Sun
17Mon12:256.212:177.86:152.67:090.68:184:26Waning Crescent17Mon
18Tue1:076.412:468.26:482.87:41-0.28:204:24New Moon18Tue
19Wed1:466.51:158.67:213.18:14-0.78:224:22New Moon19Wed
20Thu2:246.61:468.97:553.48:49-1.18:244:21New Moon20Thu
21Fri3:036.62:199.08:293.79:26-1.28:264:20New Moon21Fri
22Sat3:446.52:559.09:054.010:06-1.18:284:18Waxing Crescent22Sat
23Sun4:286.33:358.89:454.310:50-0.88:294:17Waxing Crescent23Sun
24Mon5:176.14:208.410:304.711:40-0.48:314:16Waxing Crescent24Mon
25Tue6:136.05:147.811:264.98:334:14First Quarter25Tue
26Wed7:156.06:207.112:350.212:375.08:354:13First Quarter26Wed
27Thu8:206.37:416.51:350.72:054.68:374:12First Quarter27Thu
28Fri9:206.89:126.12:401.13:373.58:384:11First Quarter28Fri
29Sat10:117.410:356.13:431.54:512.08:404:10Waxing Gibbous29Sat
30Sun10:578.111:456.34:401.85:500.58:424:09Waxing Gibbous30Sun
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 91% 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 (91% 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