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

TIDE TIMES for Sunday, July 26, 2026
The tide is currently falling in Chiachi Island (East Side), AK.
Next low tide : in 27m at 7:13 pm (4.7 ft)
Next high tide (tomorrow) : 1:10 am (7.6 ft)
Sunset today : 10:54 pm
Sunrise tomorrow : 6:31 am
Moon phase : Waxing Gibbous (93% illuminated)
Tide Station Location : Station #9459085
Common Questions About Tides

Chiachi Island (East Side), AK Tides - Jan 1977

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat10:127.611:485.64:024.35:361.09:064:14Waxing Gibbous1Sat
2Sun10:558.04:544.36:140.49:064:15Waxing Gibbous2Sun
3Mon12:275.911:35 AM8.35:404.16:47-0.29:054:16Full Moon3Mon
4Tue1:016.312:148.56:213.87:19-0.79:054:18Full Moon4Tue
5Wed1:346.612:508.77:003.57:50-1.19:044:19Full Moon5Wed
6Thu2:056.81:278.77:373.28:22-1.39:044:20Full Moon6Thu
7Fri2:377.02:038.58:162.98:54-1.29:034:22Waning Gibbous7Fri
8Sat3:107.12:428.28:562.79:29-1.09:024:23Waning Gibbous8Sat
9Sun3:457.33:247.79:402.610:06-0.59:024:25Waning Gibbous9Sun
10Mon4:237.44:117.110:302.510:460.39:014:27Waning Gibbous10Mon
11Tue5:057.55:056.311:262.511:311.29:004:28Third Quarter11Tue
12Wed5:547.66:135.612:332.48:594:30Third Quarter12Wed
13Thu6:517.77:425.212:232.21:532.08:584:32Third Quarter13Thu
14Fri7:567.99:195.21:273.03:161.38:574:34Waning Crescent14Fri
15Sat9:038.310:405.72:413.64:280.38:564:35Waning Crescent15Sat
16Sun10:078.711:426.23:543.65:27-0.78:544:37Waning Crescent16Sun
17Mon11:059.15:013.36:17-1.58:534:39New Moon17Mon
18Tue12:326.811:58 AM9.36:002.87:02-2.08:524:41New Moon18Tue
19Wed1:167.312:469.46:522.37:43-2.28:514:43New Moon19Wed
20Thu1:567.61:319.27:391.98:21-2.18:494:45New Moon20Thu
21Fri2:347.72:138.88:231.78:57-1.68:484:47Waxing Crescent21Fri
22Sat3:117.82:558.29:061.79:32-0.98:464:49Waxing Crescent22Sat
23Sun3:477.73:357.49:491.910:060.08:454:51Waxing Crescent23Sun
24Mon4:227.54:176.610:342.210:401.18:434:53Waxing Crescent24Mon
25Tue4:597.35:025.811:232.611:162.18:424:55First Quarter25Tue
26Wed5:397.05:565.112:203.08:404:57First Quarter26Wed
27Thu6:256.97:144.61:343.18:384:59First Quarter27Thu
28Fri7:236.89:034.512:484.03:042.98:365:02First Quarter28Fri
29Sat8:286.910:324.81:574.64:162.38:355:04Waxing Gibbous29Sat
30Sun9:317.111:265.23:154.85:081.58:335:06Waxing Gibbous30Sun
31Mon10:257.54:224.65:490.78:315:08Waxing Gibbous31Mon
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 10:11 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 93% 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 (93% 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