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

TIDE TIMES for Wednesday, June 17, 2026
The tide is currently rising in Chiachi Island (East Side), AK.
Next low tide : 11:13 am (-3.0 ft)
Next high tide : in 2h 38m at 4:03 am (9.4 ft)
Sunset today : 11:24 pm
Sunrise tomorrow : 5:50 am
Moon phase : Waxing Crescent (11% illuminated)
Tide Station Location : Station #9459085
Common Questions About Tides

Chiachi Island (East Side), AK Tides - Oct 2036

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed12:136.61:186.47:081.57:173.28:418:09Waxing Gibbous1Wed
2Thu1:007.01:476.87:431.27:532.48:438:07Waxing Gibbous2Thu
3Fri1:417.22:147.28:130.98:261.68:458:04Full Moon3Fri
4Sat2:197.42:407.68:410.88:590.98:478:02Full Moon4Sat
5Sun2:547.53:077.99:100.89:310.38:497:59Full Moon5Sun
6Mon3:297.53:358.19:391.010:05-0.18:517:57Full Moon6Mon
7Tue4:057.44:048.310:101.410:41-0.38:537:54Waning Gibbous7Tue
8Wed4:437.14:368.310:421.911:20-0.28:557:51Waning Gibbous8Wed
9Thu5:256.85:128.211:182.68:577:49Waning Gibbous9Thu
10Fri6:126.35:548.012:040.011:58 AM3.38:597:46Waning Gibbous10Fri
11Sat7:095.96:467.612:550.512:484.09:017:44Third Quarter11Sat
12Sun8:225.67:527.21:570.91:534.69:037:41Third Quarter12Sun
13Mon9:515.79:167.03:111.23:194.79:057:39Third Quarter13Mon
14Tue11:096.110:437.14:321.14:524.19:077:36Waning Crescent14Tue
15Wed12:066.85:420.86:082.99:097:34Waning Crescent15Wed
16Thu12:527.56:380.47:071.59:117:31Waning Crescent16Thu
17Fri12:597.71:348.17:270.17:570.29:137:29New Moon17Fri
18Sat1:538.02:128.78:100.18:43-0.89:157:26New Moon18Sat
19Sun2:438.12:509.08:500.39:26-1.49:177:24New Moon19Sun
20Mon3:298.03:269.19:290.810:07-1.69:197:22New Moon20Mon
21Tue4:137.74:029.010:061.410:48-1.49:227:19Waxing Crescent21Tue
22Wed4:577.34:388.710:442.211:29-0.89:247:17Waxing Crescent22Wed
23Thu5:436.95:158.211:223.19:267:14Waxing Crescent23Thu
24Fri6:316.35:557.612:110.012:034.09:287:12Waxing Crescent24Fri
25Sat7:255.96:407.012:580.912:504.79:307:10First Quarter25Sat
26Sun8:335.67:376.41:521.71:505.39:327:08First Quarter26Sun
27Mon9:555.58:535.92:592.33:175.59:347:05First Quarter27Mon
28Tue11:055.810:215.84:182.65:005.09:367:03First Quarter28Tue
29Wed11:526.211:336.05:232.56:044.19:387:01Waxing Gibbous29Wed
30Thu12:276.66:122.36:503.19:406:59Waxing Gibbous30Thu
31Fri12:296.312:597.16:512.07:282.09:436:56Waxing Gibbous31Fri
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 7:38 am — 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 spring phase. Tonight's moon is 11% 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 (11% 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