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

TIDE TIMES for Thursday, August 6, 2026
The tide is currently rising in Chiachi Island (East Side), AK.
Next low tide : 2:05 pm (3.4 ft)
Next high tide : in 4h 34m at 8:32 am (4.7 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 - Oct 1961

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun6:435.46:076.712:141.612:064.76:396:12Third Quarter1Sun
2Mon8:195.37:266.31:332.21:335.16:416:09Third Quarter2Mon
3Tue9:375.68:496.33:002.33:134.96:436:06Waning Crescent3Tue
4Wed10:285.99:566.54:032.14:194.26:456:04Waning Crescent4Wed
5Thu11:046.310:476.84:501.75:053.36:476:01Waning Crescent5Thu
6Fri11:346.711:297.15:281.45:432.56:495:59Waning Crescent6Fri
7Sat12:017.25:591.26:171.66:515:56New Moon7Sat
8Sun12:077.312:277.56:281.06:490.96:535:54New Moon8Sun
9Mon12:437.412:547.96:571.07:200.46:555:51New Moon9Mon
10Tue1:187.41:218.17:261.27:53-0.16:575:48New Moon10Tue
11Wed1:537.41:508.37:561.58:28-0.36:595:46Waxing Crescent11Wed
12Thu2:307.22:218.38:282.09:05-0.37:015:43Waxing Crescent12Thu
13Fri3:096.82:558.29:022.59:46-0.17:035:41Waxing Crescent13Fri
14Sat3:546.53:348.09:403.210:340.37:055:38Waxing Crescent14Sat
15Sun4:466.04:227.710:263.911:300.87:085:36First Quarter15Sun
16Mon5:515.75:227.311:254.47:105:33First Quarter16Mon
17Tue7:135.76:397.012:371.212:434.77:125:31First Quarter17Tue
18Wed8:356.08:086.91:561.32:164.37:145:28Waxing Gibbous18Wed
19Thu9:386.69:287.13:101.03:383.27:165:26Waxing Gibbous19Thu
20Fri10:287.310:357.54:120.74:421.97:185:24Waxing Gibbous20Fri
21Sat11:118.011:327.85:030.45:360.57:205:21Waxing Gibbous21Sat
22Sun11:528.65:490.26:23-0.67:225:19Full Moon22Sun
23Mon12:238.012:319.16:310.47:08-1.47:245:16Full Moon23Mon
24Tue1:118.01:099.37:120.77:50-1.87:265:14Full Moon24Tue
25Wed1:577.81:469.27:511.38:32-1.77:285:12Waning Gibbous25Wed
26Thu2:427.52:239.08:292.09:13-1.27:305:09Waning Gibbous26Thu
27Fri3:277.13:018.59:082.89:56-0.57:325:07Waning Gibbous27Fri
28Sat4:156.63:417.99:503.710:410.47:355:05Waning Gibbous28Sat
29Sun5:076.14:267.210:364.511:321.37:375:03Third Quarter29Sun
30Mon6:095.85:196.611:335.17:395:00Third Quarter30Mon
31Tue7:265.66:296.012:332.112:525.47:414:58Third Quarter31Tue
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 11:18 am — 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