55.8433’ N, 159.1050’ W

Chiachi Island (East Side), AK

53°
H -°
L 50°
SW
6mph
High tide
4:55 am

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

TIDE TIMES for Monday, September 14, 2026
The tide is currently rising in Chiachi Island (East Side), AK.
Next low tide : 10:53 am (1.4 ft)
Next high tide : in 5h 11m at 4:55 am (7.1 ft)
Sunset today : 8:58 pm
Sunrise tomorrow : 8:05 am
Moon phase : Waxing Crescent (8% illuminated)
Tide Station Location : Station #9459085
Common Questions About Tides

Chiachi Island (East Side), AK Tides - Mar 1890

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat10:226.74:225.46:071.47:266:11Waxing Gibbous1Sat
2Sun12:405.311:25 AM7.05:395.06:510.87:246:13Waxing Gibbous2Sun
3Mon1:135.712:147.36:314.37:260.27:216:16Waxing Gibbous3Mon
4Tue1:406.112:567.67:113.57:55-0.27:196:18Full Moon4Tue
5Wed2:056.51:337.97:462.88:22-0.67:166:20Full Moon5Wed
6Thu2:296.82:087.98:192.08:47-0.77:136:22Full Moon6Thu
7Fri2:537.12:427.88:521.49:14-0.67:116:24Full Moon7Fri
8Sat3:187.43:177.69:260.99:42-0.37:086:26Waning Gibbous8Sat
9Sun3:447.63:547.210:020.510:110.37:066:28Waning Gibbous9Sun
10Mon4:137.84:336.710:410.410:421.17:036:30Waning Gibbous10Mon
11Tue4:457.85:196.111:250.411:172.17:016:32Waning Gibbous11Tue
12Wed5:227.86:145.412:170.76:586:34Third Quarter12Wed
13Thu6:087.77:284.91:211.06:556:36Third Quarter13Thu
14Fri7:087.49:164.712:514.12:431.26:536:38Third Quarter14Fri
15Sat8:277.310:565.12:104.84:140.86:506:40Waning Crescent15Sat
16Sun9:557.511:585.83:484.75:290.06:486:42Waning Crescent16Sun
17Mon11:117.85:153.96:25-0.86:456:44Waning Crescent17Mon
18Tue12:446.512:158.26:212.77:11-1.46:426:46Waning Crescent18Tue
19Wed1:237.21:098.57:151.47:52-1.76:406:48New Moon19Wed
20Thu1:597.71:578.58:030.38:29-1.66:376:51New Moon20Thu
21Fri2:338.22:428.38:46-0.59:04-1.16:346:53New Moon21Fri
22Sat3:068.43:257.89:28-0.99:38-0.46:326:55Waxing Crescent22Sat
23Sun3:398.44:087.210:09-0.910:110.66:296:57Waxing Crescent23Sun
24Mon4:128.24:516.510:50-0.610:451.76:266:59Waxing Crescent24Mon
25Tue4:457.95:375.811:330.111:192.86:247:01Waxing Crescent25Tue
26Wed5:217.56:295.212:200.96:217:03First Quarter26Wed
27Thu6:017.07:424.61:171.76:197:05First Quarter27Thu
28Fri6:536.59:444.512:444.82:382.26:167:07First Quarter28Fri
29Sat8:076.111:134.81:585.44:152.26:137:09First Quarter29Sat
30Sun9:386.011:595.33:545.45:221.86:117:11Waxing Gibbous30Sun
31Mon10:526.35:184.76:081.26:087:13Waxing Gibbous31Mon
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 8% 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 Crescent (8% 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