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

TIDE TIMES for Thursday, August 6, 2026
The tide is currently falling in Chiachi Island (East Side), AK.
Next low tide : in 2h 17m at 2:05 pm (3.4 ft)
Next high tide : 8:32 pm (7.7 ft)
Sunset today : 10:32 pm
Sunrise tomorrow : 6:51 am
Moon phase : Third Quarter (42% illuminated)
Tide Station Location : Station #9459085
Common Questions About Tides

Chiachi Island (East Side), AK Tides - Mar 1961

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed1:046.712:407.86:512.47:23-0.47:266:10Full Moon1Wed
2Thu1:297.01:147.97:241.87:50-0.57:246:13Full Moon2Thu
3Fri1:557.21:477.87:561.38:17-0.47:216:15Full Moon3Fri
4Sat2:217.42:217.68:301.08:46-0.17:196:17Waning Gibbous4Sat
5Sun2:497.62:577.29:060.89:160.47:166:19Waning Gibbous5Sun
6Mon3:187.73:356.89:440.79:491.17:146:21Waning Gibbous6Mon
7Tue3:527.74:206.210:280.810:251.97:116:23Waning Gibbous7Tue
8Wed4:317.65:135.611:191.111:082.87:086:25Third Quarter8Wed
9Thu5:187.46:245.112:221.47:066:27Third Quarter9Thu
10Fri6:197.38:014.912:053.61:411.47:036:29Third Quarter10Fri
11Sat7:377.29:355.31:224.23:070.97:016:31Waning Crescent11Sat
12Sun8:597.410:425.92:524.14:190.26:586:33Waning Crescent12Sun
13Mon10:127.911:326.74:123.35:17-0.76:556:35Waning Crescent13Mon
14Tue11:148.35:182.26:05-1.36:536:37Waning Crescent14Tue
15Wed12:157.412:088.66:121.06:48-1.76:506:39New Moon15Wed
16Thu12:548.012:578.77:010.07:28-1.76:486:42New Moon16Thu
17Fri1:328.41:438.57:46-0.78:06-1.36:456:44New Moon17Fri
18Sat2:098.62:288.18:30-1.08:43-0.66:426:46Waxing Crescent18Sat
19Sun2:458.63:127.59:13-0.99:190.36:406:48Waxing Crescent19Sun
20Mon3:228.33:576.89:56-0.59:561.46:376:50Waxing Crescent20Mon
21Tue3:597.94:456.110:420.210:352.56:346:52Waxing Crescent21Tue
22Wed4:397.45:405.411:321.011:183.66:326:54First Quarter22Wed
23Thu5:246.96:534.912:331.86:296:56First Quarter23Thu
24Fri6:226.48:394.812:134.41:562.26:276:58First Quarter24Fri
25Sat7:396.110:015.01:344.93:242.26:247:00First Quarter25Sat
26Sun9:026.110:515.43:184.84:261.86:217:02Waxing Gibbous26Sun
27Mon10:076.411:265.94:284.15:111.36:197:04Waxing Gibbous27Mon
28Tue10:596.711:556.45:163.35:470.86:167:06Waxing Gibbous28Tue
29Wed11:417.05:552.46:180.56:137:08Waxing Gibbous29Wed
30Thu12:226.812:207.26:301.56:470.26:117:10Full Moon30Thu
31Fri12:487.212:567.47:030.77:150.26:087:12Full Moon31Fri
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 5:18 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 neap phase. Tonight's moon is 42% 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 minimum.

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 (42% illuminated). This places Chiachi Island (East Side), AK in a neap tide cycle, so tidal ranges are near their weekly minimum 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