55.8433’ N, 159.1050’ W

Chiachi Island (East Side), AK

41°
H 46°
L 41°
ENE
8mph
Low tide
11:44 am

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

TIDE TIMES for Thursday, October 1, 2026
The tide is currently falling in Chiachi Island (East Side), AK.
Next low tide : in 1h 24m at 11:44 am (3.5 ft)
Next high tide : 5:46 pm (8.6 ft)
Sunset today : 8:11 pm
Sunrise tomorrow : 8:40 am
Moon phase : Waning Gibbous (69% illuminated)
Tide Station Location : Station #9459085
Common Questions About Tides

Chiachi Island (East Side), AK Tides - Jul 1860

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun1:485.87:26-1.46:513.83:559:24Waxing Gibbous1Sun
2Mon12:498.52:316.08:10-1.67:403.63:569:24Full Moon2Mon
3Tue1:348.63:096.28:49-1.78:253.33:579:23Full Moon3Tue
4Wed2:168.43:446.39:25-1.69:063.13:589:23Full Moon4Wed
5Thu2:558.24:166.39:58-1.49:453.03:599:22Full Moon5Thu
6Fri3:337.74:486.310:29-1.010:262.84:009:22Waning Gibbous6Fri
7Sat4:107.25:186.311:00-0.511:082.84:019:21Waning Gibbous7Sat
8Sun4:486.65:496.411:300.211:532.84:029:20Waning Gibbous8Sun
9Mon5:305.96:236.412:011.14:039:19Waning Gibbous9Mon
10Tue6:165.27:006.512:442.812:352.04:059:18Third Quarter10Tue
11Wed7:154.67:446.61:432.81:142.94:069:17Third Quarter11Wed
12Thu8:354.28:376.82:552.62:033.74:079:16Third Quarter12Thu
13Fri10:154.29:357.14:112.03:074.34:099:15Third Quarter13Fri
14Sat11:414.510:347.65:181.24:164.64:109:14Waning Crescent14Sat
15Sun12:405.06:140.35:224.54:119:12Waning Crescent15Sun
16Mon1:255.57:01-0.76:224.04:139:11Waning Crescent16Mon
17Tue12:228.52:035.97:44-1.57:153.44:149:10Waning Crescent17Tue
18Wed1:128.92:406.48:24-2.28:052.64:169:08New Moon18Wed
19Thu2:009.13:176.89:02-2.68:531.94:189:07New Moon19Thu
20Fri2:469.03:547.29:40-2.79:421.34:199:06New Moon20Fri
21Sat3:348.64:327.510:18-2.210:330.94:219:04Waxing Crescent21Sat
22Sun4:237.95:127.810:57-1.411:270.74:229:02Waxing Crescent22Sun
23Mon5:157.05:547.911:37-0.34:249:01Waxing Crescent23Mon
24Tue6:136.16:407.912:260.812:191.04:268:59First Quarter24Tue
25Wed7:225.27:337.81:330.91:072.34:288:58First Quarter25Wed
26Thu8:524.78:367.72:541.02:053.54:298:56First Quarter26Thu
27Fri10:374.79:467.74:190.83:194.34:318:54First Quarter27Fri
28Sat11:595.010:537.85:320.34:414.54:338:52Waxing Gibbous28Sat
29Sun12:565.56:31-0.25:524.34:358:50Waxing Gibbous29Sun
30Mon1:385.97:18-0.66:493.94:378:48Waxing Gibbous30Mon
31Tue12:438.12:136.27:58-0.97:353.34:388:47Full Moon31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9459085)

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

Collapse All
Is this week a spring tide or neap tide in Chiachi Island (East Side), AK?

Chiachi Island (East Side), AK is currently in a transitional phase. Tonight's moon is 69% 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 shifting between spring and neap.

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 (69% illuminated). This places Chiachi Island (East Side), AK in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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