55.8433’ N, 159.1050’ W

Chiachi Island (East Side), AK

53°
H -°
L 50°
SSW
1mph
High tide
4:55 am

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

TIDE TIMES for Monday, September 14, 2026
The tide is currently rising in Chiachi Island (East Side), AK.
Next low tide : 10:53 am (1.4 ft)
Next high tide : in 3h 28m at 4:55 am (7.1 ft)
Sunset today : 8:56 pm
Sunrise tomorrow : 8:07 am
Moon phase : Waxing Crescent (15% illuminated)
Tide Station Location : Station #9459085
Common Questions About Tides

Chiachi Island (East Side), AK Tides - Jan 1890

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed10:447.74:273.66:040.99:074:14Waxing Gibbous1Wed
2Thu12:135.411:29 AM8.05:224.06:500.39:064:16Waxing Gibbous2Thu
3Fri1:065.712:098.26:114.37:30-0.29:064:17Waxing Gibbous3Fri
4Sat1:496.012:488.46:554.38:05-0.59:054:18Full Moon4Sat
5Sun2:256.21:248.57:354.38:37-0.79:054:20Full Moon5Sun
6Mon2:576.42:008.68:114.29:08-0.89:044:21Full Moon6Mon
7Tue3:296.52:348.58:464.09:39-0.89:044:23Full Moon7Tue
8Wed3:596.53:088.39:223.910:10-0.69:034:24Waning Gibbous8Wed
9Thu4:306.43:437.99:583.810:41-0.49:024:26Waning Gibbous9Thu
10Fri5:026.44:197.510:383.811:140.09:014:27Waning Gibbous10Fri
11Sat5:366.45:006.911:223.811:490.69:004:29Waning Gibbous11Sat
12Sun6:126.55:476.212:133.78:594:31Third Quarter12Sun
13Mon6:526.76:455.612:271.31:143.58:584:33Third Quarter13Mon
14Tue7:406.98:035.11:112.22:273.08:574:34Third Quarter14Tue
15Wed8:357.39:394.92:053.03:472.28:564:36Third Quarter15Wed
16Thu9:347.811:095.23:103.74:591.18:554:38Waning Crescent16Thu
17Fri10:348.34:194.16:01-0.28:544:40Waning Crescent17Fri
18Sat12:205.711:32 AM9.05:264.16:56-1.38:524:42Waning Crescent18Sat
19Sun1:166.312:289.56:273.77:45-2.38:514:44New Moon19Sun
20Mon2:046.81:219.97:243.28:31-2.98:504:46New Moon20Mon
21Tue2:487.22:119.98:162.69:15-3.08:484:48New Moon21Tue
22Wed3:317.53:009.79:062.29:57-2.88:474:50Waxing Crescent22Wed
23Thu4:137.73:489.19:571.910:38-2.28:454:52Waxing Crescent23Thu
24Fri4:557.74:378.310:481.811:19-1.28:444:54Waxing Crescent24Fri
25Sat5:377.75:287.311:421.98:424:56Waxing Crescent25Sat
26Sun6:217.56:236.212:000.012:412.28:404:58First Quarter26Sun
27Mon7:067.47:295.312:421.41:502.48:395:00First Quarter27Mon
28Tue7:587.29:014.71:282.73:132.48:375:02First Quarter28Tue
29Wed8:567.110:484.72:243.84:362.08:355:04Waxing Gibbous29Wed
30Thu9:587.23:344.65:421.58:335:07Waxing Gibbous30Thu
31Fri12:085.010:56 AM7.34:495.06:330.98:315:09Waxing Gibbous31Fri
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 15% 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 Crescent (15% 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