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

TIDE TIMES for Wednesday, July 8, 2026
The tide is currently falling in Chiachi Island (East Side), AK.
Next low tide : in 1h 22m at 2:47 pm (2.4 ft)
Next high tide : 9:15 pm (7.4 ft)
Sunset today : 11:19 pm
Sunrise tomorrow : 6:03 am
Moon phase : Third Quarter (39% illuminated)
Tide Station Location : Station #9459085
Common Questions About Tides

Chiachi Island (East Side), AK Tides - Dec 1997

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon3:066.92:309.08:393.29:29-1.39:435:08New Moon1Mon
2Tue3:456.93:088.99:193.310:08-1.39:445:07Waxing Crescent2Tue
3Wed4:276.93:498.610:013.410:50-1.09:465:06Waxing Crescent3Wed
4Thu5:126.84:358.110:503.611:35-0.59:475:05Waxing Crescent4Thu
5Fri6:016.85:297.411:463.89:495:05First Quarter5Fri
6Sat6:556.86:326.712:250.212:523.89:505:04First Quarter6Sat
7Sun7:567.07:516.21:210.92:123.49:525:04First Quarter7Sun
8Mon8:587.49:205.92:241.53:382.69:535:03First Quarter8Mon
9Tue9:577.910:436.03:302.04:521.49:545:03Waxing Gibbous9Tue
10Wed10:518.411:536.34:332.45:520.29:555:03Waxing Gibbous10Wed
11Thu11:408.95:322.56:44-0.89:565:02Waxing Gibbous11Thu
12Fri12:526.712:279.36:252.67:31-1.59:585:02Full Moon12Fri
13Sat1:437.01:129.57:152.78:14-1.99:595:02Full Moon13Sat
14Sun2:297.21:549.58:012.78:55-2.010:005:02Full Moon14Sun
15Mon3:127.32:359.38:442.99:34-1.810:015:02Full Moon15Mon
16Tue3:537.23:158.99:263.110:12-1.310:015:02Waning Gibbous16Tue
17Wed4:347.13:548.310:083.410:49-0.610:025:02Waning Gibbous17Wed
18Thu5:146.94:357.610:523.711:270.110:035:03Waning Gibbous18Thu
19Fri5:546.75:186.911:404.010:045:03Third Quarter19Fri
20Sat6:376.56:066.112:061.012:344.210:045:03Third Quarter20Sat
21Sun7:246.47:055.512:481.81:404.310:055:04Third Quarter21Sun
22Mon8:166.58:225.01:352.63:024.010:055:04Third Quarter22Mon
23Tue9:106.79:504.92:313.34:213.310:065:05Third Quarter23Tue
24Wed10:027.011:075.13:313.75:192.410:065:06Waning Crescent24Wed
25Thu10:487.54:303.96:061.510:065:06Waning Crescent25Thu
26Fri12:065.511:32 AM7.95:243.96:460.610:065:07Waning Crescent26Fri
27Sat12:545.912:148.46:123.87:24-0.310:065:08Waning Crescent27Sat
28Sun1:356.312:558.86:583.68:00-1.010:065:09New Moon28Sun
29Mon2:146.71:359.17:413.38:37-1.610:065:10New Moon29Mon
30Tue2:527.02:169.28:243.09:15-1.910:065:11New Moon30Tue
31Wed3:317.22:579.19:072.79:55-2.010:065:12Waxing Crescent31Wed
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 6:01 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 39% 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 Third Quarter (39% 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