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

TIDE TIMES for Saturday, June 20, 2026
The tide is currently falling in Chiachi Island (East Side), AK.
Next low tide : in 3h 05m at 1:31 pm (-0.6 ft)
Next high tide : 8:00 pm (6.7 ft)
Sunset today : 11:25 pm
Sunrise tomorrow : 5:50 am
Moon phase : First Quarter (39% illuminated)
Tide Station Location : Station #9459085
Common Questions About Tides

Chiachi Island (East Side), AK Tides - Oct 2022

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat6:495.86:228.112:390.012:183.98:408:11First Quarter1Sat
2Sun8:015.37:217.71:400.61:134.78:428:08First Quarter2Sun
3Mon9:445.18:417.32:571.12:325.48:448:06First Quarter3Mon
4Tue11:205.510:167.24:301.14:185.28:468:03Waxing Gibbous4Tue
5Wed12:196.15:480.75:514.28:488:01Waxing Gibbous5Wed
6Thu1:036.86:450.26:562.88:507:58Waxing Gibbous6Thu
7Fri12:457.71:407.47:31-0.27:481.48:527:55Waxing Gibbous7Fri
8Sat1:407.92:148.08:11-0.38:330.38:547:53Full Moon8Sat
9Sun2:288.02:468.48:470.09:13-0.68:567:50Full Moon9Sun
10Mon3:127.93:178.79:200.59:52-1.08:587:48Full Moon10Mon
11Tue3:547.63:478.79:521.210:29-1.09:007:45Waning Gibbous11Tue
12Wed4:347.24:178.610:232.011:06-0.79:027:43Waning Gibbous12Wed
13Thu5:156.74:478.310:553.011:44-0.19:047:40Waning Gibbous13Thu
14Fri5:576.25:207.911:273.99:067:38Waning Gibbous14Fri
15Sat6:455.65:577.412:250.712:034.79:087:35Third Quarter15Sat
16Sun7:455.26:436.81:131.612:465.59:107:33Third Quarter16Sun
17Mon9:194.97:466.32:152.31:496.09:127:30Third Quarter17Mon
18Tue11:045.19:156.03:402.73:336.19:147:28Third Quarter18Tue
19Wed11:575.510:446.15:052.55:225.49:167:25Waning Crescent19Wed
20Thu12:296.06:002.16:214.39:187:23Waning Crescent20Thu
21Fri12:566.56:401.67:033.19:207:21Waning Crescent21Fri
22Sat12:426.71:217.17:131.37:401.99:227:18Waning Crescent22Sat
23Sun1:287.01:477.77:451.28:160.79:247:16New Moon23Sun
24Mon2:107.22:158.38:171.28:52-0.49:277:14New Moon24Mon
25Tue2:517.32:458.88:491.49:29-1.29:297:11New Moon25Tue
26Wed3:337.33:179.19:231.810:08-1.69:317:09New Moon26Wed
27Thu4:167.23:529.39:592.410:50-1.79:337:07Waxing Crescent27Thu
28Fri5:026.94:309.210:363.111:36-1.49:357:04Waxing Crescent28Fri
29Sat5:546.45:148.911:193.89:377:02Waxing Crescent29Sat
30Sun6:536.06:068.412:29-0.712:084.59:397:00First Quarter30Sun
31Mon8:065.77:107.71:290.01:135.19:416:58First Quarter31Mon
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 4:45 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 First 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