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

TIDE TIMES for Saturday, July 4, 2026
The tide is currently falling in Chiachi Island (East Side), AK.
Next low tide : in 3h 35m at 12:08 pm (-0.7 ft)
Next high tide : 6:29 pm (6.2 ft)
Sunset today : 11:22 pm
Sunrise tomorrow : 5:59 am
Moon phase : Waning Gibbous (79% illuminated)
Tide Station Location : Station #9459085
Common Questions About Tides

Chiachi Island (East Side), AK Tides - Mar 2053

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat11:228.05:223.36:29-0.68:247:12Waxing Gibbous1Sat
2Sun12:446.612:228.46:272.47:16-1.28:227:14Waxing Gibbous2Sun
3Mon1:267.21:148.67:201.57:57-1.58:197:16Full Moon3Mon
4Tue2:057.72:008.68:060.68:35-1.58:177:18Full Moon4Tue
5Wed2:408.02:438.48:490.19:10-1.28:147:20Full Moon5Wed
6Thu3:158.23:248.09:29-0.19:44-0.68:127:22Waning Gibbous6Thu
7Fri3:488.24:047.510:09-0.110:170.38:097:24Waning Gibbous7Fri
8Sat4:218.04:446.810:480.310:491.28:067:26Waning Gibbous8Sat
9Sun5:547.76:266.112:300.89:048:28Waning Gibbous9Sun
10Mon6:297.37:125.412:242.21:151.59:018:31Third Quarter10Mon
11Tue7:096.98:124.91:013.22:092.18:598:33Third Quarter11Tue
12Wed8:006.59:434.51:474.13:222.68:568:35Third Quarter12Wed
13Thu9:076.211:294.72:504.74:562.58:548:37Third Quarter13Thu
14Fri10:296.24:214.96:092.18:518:39Waning Crescent14Fri
15Sat12:335.111:41 AM6.45:494.56:581.48:488:41Waning Crescent15Sat
16Sun1:145.612:376.86:493.87:370.88:468:43Waning Crescent16Sun
17Mon1:466.21:247.27:342.88:100.28:438:45Waning Crescent17Mon
18Tue2:156.72:067.58:141.98:41-0.28:408:47New Moon18Tue
19Wed2:447.22:457.88:511.09:12-0.48:388:49New Moon19Wed
20Thu3:147.73:247.89:280.19:44-0.48:358:51New Moon20Thu
21Fri3:458.14:037.710:06-0.510:18-0.28:338:53New Moon21Fri
22Sat4:178.44:447.410:46-0.910:530.38:308:55Waxing Crescent22Sat
23Sun4:538.55:297.011:29-0.911:311.08:278:57Waxing Crescent23Sun
24Mon5:328.46:186.412:16-0.68:258:59Waxing Crescent24Mon
25Tue6:168.27:175.812:131.91:10-0.28:229:01First Quarter25Tue
26Wed7:097.78:305.41:032.82:130.48:199:03First Quarter26Wed
27Thu8:147.310:045.32:063.63:310.88:179:05First Quarter27Thu
28Fri9:367.011:295.73:294.04:570.78:149:07First Quarter28Fri
29Sat11:027.05:053.76:080.48:129:09Waxing Gibbous29Sat
30Sun12:316.312:157.26:242.87:040.08:099:11Waxing Gibbous30Sun
31Mon1:186.91:157.57:241.77:51-0.38:069:13Waxing Gibbous31Mon
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 3:18 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 79% 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 Waning Gibbous (79% 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