55.8433’ N, 159.1050’ W

Chiachi Island (East Side), AK

50°
H 56°
L 51°
WSW
4mph
High tide
1:58 pm

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

TIDE TIMES for Monday, August 24, 2026
The tide is currently rising in Chiachi Island (East Side), AK.
Next low tide : 7:02 pm (4.6 ft)
Next high tide : in 4h 59m at 1:58 pm (5.4 ft)
Sunset today : 9:50 pm
Sunrise tomorrow : 7:26 am
Moon phase : Waxing Gibbous (89% illuminated)
Tide Station Location : Station #9459085
Common Questions About Tides

Chiachi Island (East Side), AK Tides - Apr 1933

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat4:087.25:354.611:231.610:394.76:067:13First Quarter1Sat
2Sun4:536.77:054.212:262.16:047:15First Quarter2Sun
3Mon5:566.39:134.41:532.36:017:18First Quarter3Mon
4Tue7:226.010:084.91:145.53:181.95:587:20First Quarter4Tue
5Wed8:506.110:405.43:045.04:121.35:567:22Waxing Gibbous5Wed
6Thu9:586.411:086.14:163.94:530.75:537:24Waxing Gibbous6Thu
7Fri10:546.811:366.95:072.55:290.35:517:26Waxing Gibbous7Fri
8Sat11:437.15:511.06:040.15:487:28Full Moon8Sat
9Sun12:067.612:297.36:32-0.46:380.25:457:30Full Moon9Sun
10Mon12:378.31:157.37:14-1.57:140.55:437:32Full Moon10Mon
11Tue1:108.92:007.27:56-2.37:501.05:407:34Full Moon11Tue
12Wed1:479.22:476.98:39-2.58:291.75:387:36Waning Gibbous12Wed
13Thu2:269.33:386.49:26-2.39:102.55:357:38Waning Gibbous13Thu
14Fri3:099.04:345.910:17-1.79:563.35:337:40Waning Gibbous14Fri
15Sat3:588.55:415.411:16-0.810:514.05:307:42Third Quarter15Sat
16Sun4:567.87:055.212:250.15:287:44Third Quarter16Sun
17Mon6:097.08:345.412:064.61:480.65:257:46Third Quarter17Mon
18Tue7:406.59:395.81:504.53:060.75:237:48Third Quarter18Tue
19Wed9:096.310:266.43:303.74:050.65:207:50Waning Crescent19Wed
20Thu10:196.311:046.94:372.44:520.65:187:52Waning Crescent20Thu
21Fri11:166.411:367.35:281.25:320.85:157:54Waning Crescent21Fri
22Sat12:046.56:100.26:061.15:137:56New Moon22Sat
23Sun12:057.712:466.56:47-0.56:371.55:117:58New Moon23Sun
24Mon12:338.01:246.47:20-1.07:071.95:088:00New Moon24Mon
25Tue1:008.12:006.37:52-1.27:362.45:068:02New Moon25Tue
26Wed1:288.22:356.18:24-1.18:062.95:038:04Waxing Crescent26Wed
27Thu1:578.13:115.98:57-0.88:363.45:018:06Waxing Crescent27Thu
28Fri2:287.93:495.59:33-0.39:083.94:598:08Waxing Crescent28Fri
29Sat3:017.64:325.110:130.29:444.34:568:10Waxing Crescent29Sat
30Sun3:407.25:254.810:580.710:284.74:548:12Waxing Crescent30Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9459085)

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

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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 89% 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 Waxing Gibbous (89% 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