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

TIDE TIMES for Thursday, June 4, 2026
The tide is currently rising in Chiachi Island (East Side), AK.
Next low tide : 12:00 pm (-0.6 ft)
Next high tide : in 5h 18m at 4:47 am (7.6 ft)
Sunset today : 11:12 pm
Sunrise tomorrow : 5:56 am
Moon phase : Waning Gibbous (89% illuminated)
Tide Station Location : Station #9459085
Common Questions About Tides

Chiachi Island (East Side), AK Tides - May 2027

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat11:245.45:513.45:551.86:5210:15Waning Crescent1Sat
2Sun12:116.212:255.66:412.16:351.86:4910:17Waning Crescent2Sun
3Mon12:436.81:175.97:230.97:121.86:4710:18Waning Crescent3Mon
4Tue1:147.52:046.18:03-0.27:502.06:4510:20New Moon4Tue
5Wed1:488.12:496.48:41-1.28:282.26:4310:22New Moon5Wed
6Thu2:238.63:336.59:21-2.09:062.46:4110:24New Moon6Thu
7Fri3:009.04:176.410:02-2.49:462.66:3910:26New Moon7Fri
8Sat3:409.15:046.310:46-2.510:282.96:3610:28Waxing Crescent8Sat
9Sun4:239.05:556.011:33-2.211:153.36:3410:30Waxing Crescent9Sun
10Mon5:118.76:505.812:24-1.76:3210:32Waxing Crescent10Mon
11Tue6:058.07:515.712:093.61:19-1.16:3010:34First Quarter11Tue
12Wed7:077.38:575.81:143.82:19-0.46:2910:36First Quarter12Wed
13Thu8:206.510:026.12:353.73:230.26:2710:38First Quarter13Thu
14Fri9:455.910:586.64:093.14:280.76:2510:40First Quarter14Fri
15Sat11:105.711:467.25:302.05:251.26:2310:42Waxing Gibbous15Sat
16Sun12:225.76:330.76:161.66:2110:43Waxing Gibbous16Sun
17Mon12:297.71:245.87:26-0.37:032.06:1910:45Waxing Gibbous17Mon
18Tue1:088.12:176.08:11-1.17:462.46:1810:47Full Moon18Tue
19Wed1:468.33:046.18:52-1.68:272.86:1610:49Full Moon19Wed
20Thu2:228.53:466.19:30-1.79:053.16:1410:51Full Moon20Thu
21Fri2:588.54:266.110:07-1.69:423.46:1310:52Full Moon21Fri
22Sat3:338.35:045.910:43-1.310:183.66:1110:54Waning Gibbous22Sat
23Sun4:098.15:445.711:20-0.910:563.96:1010:56Waning Gibbous23Sun
24Mon4:457.76:245.511:58-0.511:364.16:0810:57Waning Gibbous24Mon
25Tue5:257.27:065.312:370.06:0710:59Waning Gibbous25Tue
26Wed6:086.67:525.312:234.31:190.56:0511:01Third Quarter26Wed
27Thu6:576.08:405.41:184.32:031.06:0411:02Third Quarter27Thu
28Fri7:565.49:305.62:254.22:511.56:0311:04Third Quarter28Fri
29Sat9:085.010:166.03:433.73:422.06:0211:05Third Quarter29Sat
30Sun10:304.811:006.64:572.84:352.46:0111:07Waning Crescent30Sun
31Mon11:454.911:427.25:571.75:272.75:5911:08Waning Crescent31Mon
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 8:23 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 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 Waning 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