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

TIDE TIMES for Tuesday, July 28, 2026
The tide is currently rising in Chiachi Island (East Side), AK.
Next low tide : 8:41 pm (3.7 ft)
Next high tide : in 3h 16m at 3:28 pm (5.9 ft)
Sunset today : 10:50 pm
Sunrise tomorrow : 6:35 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #9459085
Common Questions About Tides

Chiachi Island (East Side), AK Tides - Nov 1975

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat10:598.711:497.44:541.45:46-0.97:424:57Waning Crescent1Sat
2Sun11:429.45:411.46:34-1.97:444:55New Moon2Sun
3Mon12:417.612:259.76:271.67:19-2.47:464:53New Moon3Mon
4Tue1:297.61:079.97:111.98:04-2.57:494:51New Moon4Tue
5Wed2:177.51:499.77:552.38:48-2.17:514:48Waxing Crescent5Wed
6Thu3:047.32:329.28:392.89:33-1.47:534:46Waxing Crescent6Thu
7Fri3:536.93:178.59:253.410:20-0.57:554:44Waxing Crescent7Fri
8Sat4:456.54:057.710:154.011:090.57:574:42First Quarter8Sat
9Sun5:416.24:596.911:134.57:594:40First Quarter9Sun
10Mon6:436.16:036.212:031.412:274.88:014:39First Quarter10Mon
11Tue7:496.17:255.61:052.22:024.58:034:37First Quarter11Tue
12Wed8:466.48:505.52:112.63:223.88:054:35Waxing Gibbous12Wed
13Thu9:316.79:595.63:092.94:182.88:074:33Waxing Gibbous13Thu
14Fri10:087.110:545.83:583.15:021.98:094:31Waxing Gibbous14Fri
15Sat10:427.611:396.14:393.25:401.18:124:30Waxing Gibbous15Sat
16Sun11:158.05:163.26:140.48:144:28Waxing Gibbous16Sun
17Mon12:196.411:47 AM8.35:523.36:47-0.28:164:26Full Moon17Mon
18Tue12:566.612:208.66:273.47:20-0.68:184:25Full Moon18Tue
19Wed1:326.712:548.87:033.47:53-0.98:204:23Full Moon19Wed
20Thu2:096.71:288.87:393.58:29-1.08:224:22Waning Gibbous20Thu
21Fri2:466.72:058.78:163.79:07-0.98:244:20Waning Gibbous21Fri
22Sat3:266.62:458.48:573.89:48-0.78:254:19Waning Gibbous22Sat
23Sun4:106.53:298.09:434.010:32-0.28:274:17Waning Gibbous23Sun
24Mon4:586.54:227.410:384.111:210.38:294:16Third Quarter24Mon
25Tue5:516.55:256.711:454.08:314:15Third Quarter25Tue
26Wed6:496.86:426.112:151.01:043.68:334:14Third Quarter26Wed
27Thu7:507.28:115.81:161.62:292.78:354:12Third Quarter27Thu
28Fri8:477.89:355.92:202.13:431.48:364:11Waning Crescent28Fri
29Sat9:408.410:456.33:232.54:440.18:384:10Waning Crescent29Sat
30Sun10:309.011:466.64:212.75:37-1.08:404:09Waning Crescent30Sun
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 6:04 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 spring phase. Tonight's moon is 99% 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 Full Moon (99% 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