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

TIDE TIMES for Saturday, June 20, 2026
The tide is currently rising in Chiachi Island (East Side), AK.
Next low tide (tomorrow) : 2:06 am (2.6 ft)
Next high tide : in 14m at 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 - Mar 2022

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue1:446.81:138.87:212.58:09-1.98:267:11New Moon1Tue
2Wed2:197.32:008.88:081.58:45-1.98:237:13New Moon2Wed
3Thu2:527.72:438.58:510.79:18-1.58:217:15New Moon3Thu
4Fri3:237.93:248.09:310.39:49-0.88:187:17Waxing Crescent4Fri
5Sat3:538.04:047.410:110.110:190.18:157:19Waxing Crescent5Sat
6Sun4:237.94:436.710:500.310:481.28:137:21Waxing Crescent6Sun
7Mon4:537.75:245.911:310.711:182.48:107:23Waxing Crescent7Mon
8Tue5:247.46:105.212:151.38:087:25First Quarter8Tue
9Wed5:597.17:114.51:082.08:057:27First Quarter9Wed
10Thu6:446.79:084.212:254.52:232.58:037:30First Quarter10Thu
11Fri7:496.411:264.51:195.44:112.58:007:32First Quarter11Fri
12Sat9:176.32:585.85:281.97:577:34Waxing Gibbous12Sat
13Sun12:174.911:37 AM6.65:485.57:171.28:558:36Waxing Gibbous13Sun
14Mon1:475.412:377.06:544.77:540.58:528:38Waxing Gibbous14Mon
15Tue2:115.91:247.47:403.78:24-0.28:508:40Waxing Gibbous15Tue
16Wed2:356.42:067.78:182.68:52-0.68:478:42Full Moon16Wed
17Thu2:596.92:457.98:551.69:20-0.88:448:44Full Moon17Thu
18Fri3:247.43:237.99:310.69:49-0.88:428:46Full Moon18Fri
19Sat3:517.84:037.710:08-0.210:19-0.48:398:48Full Moon19Sat
20Sun4:208.24:447.310:47-0.710:510.38:368:50Waning Gibbous20Sun
21Mon4:518.45:286.811:30-0.911:251.28:348:52Waning Gibbous21Mon
22Tue5:268.56:176.112:16-0.78:318:54Waning Gibbous22Tue
23Wed6:068.37:165.412:022.31:10-0.28:298:56Third Quarter23Wed
24Thu6:558.08:364.912:463.42:160.48:268:58Third Quarter24Thu
25Fri7:577.510:314.81:424.43:410.88:239:00Third Quarter25Fri
26Sat9:227.13:075.05:160.68:219:02Third Quarter26Sat
27Sun12:025.310:56 AM7.14:584.96:280.18:189:04Waning Crescent27Sun
28Mon12:575.912:147.46:263.87:21-0.48:159:06Waning Crescent28Mon
29Tue1:396.51:157.67:272.68:04-0.88:139:08Waning Crescent29Tue
30Wed2:147.12:067.88:161.38:41-0.88:109:10New Moon30Wed
31Thu2:457.62:517.78:580.39:14-0.68:089:12New Moon31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9459085)

Common Questions About Chiachi Island (East Side), AK Tides

Show All
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 11:03 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