55.8433’ N, 159.1050’ W

Chiachi Island (East Side), AK

47°
H 49°
L 44°
SW
3mph
Low tide
3:17 pm

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

TIDE TIMES for Sunday, October 4, 2026
The tide is currently falling in Chiachi Island (East Side), AK.
Next low tide : in 4h 26m at 3:17 pm (5.3 ft)
Next high tide : 9:21 pm (7.1 ft)
Sunset today : 8:03 pm
Sunrise tomorrow : 8:46 am
Moon phase : Third Quarter (36% illuminated)
Tide Station Location : Station #9459085
Common Questions About Tides

Chiachi Island (East Side), AK Tides - Feb 1855

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu2:406.31:438.37:564.08:50-0.78:335:08Full Moon1Thu
2Fri3:066.52:188.38:313.59:17-0.98:315:10Full Moon2Fri
3Sat3:316.62:518.19:043.19:43-0.88:295:12Full Moon3Sat
4Sun3:566.73:247.89:382.710:09-0.68:275:14Full Moon4Sun
5Mon4:216.93:577.410:142.510:36-0.18:255:16Waning Gibbous5Mon
6Tue4:477.04:336.810:522.311:040.68:235:19Waning Gibbous6Tue
7Wed5:157.15:146.211:342.211:341.48:215:21Waning Gibbous7Wed
8Thu5:477.26:025.512:232.28:195:23Waning Gibbous8Thu
9Fri6:267.37:054.912:072.41:232.28:175:25Third Quarter9Fri
10Sat7:147.48:404.412:483.52:392.18:145:27Third Quarter10Sat
11Sun8:197.510:404.61:464.54:081.58:125:29Third Quarter11Sun
12Mon9:357.83:115.15:260.58:105:32Waning Crescent12Mon
13Tue12:045.110:49 AM8.34:395.06:27-0.78:085:34Waning Crescent13Tue
14Wed12:565.811:55 AM8.85:544.37:18-1.78:065:36Waning Crescent14Wed
15Thu1:386.512:539.36:563.38:02-2.48:035:38Waning Crescent15Thu
16Fri2:167.11:459.57:502.28:42-2.88:015:40New Moon16Fri
17Sat2:537.62:349.48:401.29:20-2.67:595:42New Moon17Sat
18Sun3:298.03:218.99:270.59:57-2.17:575:45New Moon18Sun
19Mon4:058.24:078.210:150.110:33-1.17:545:47Waxing Crescent19Mon
20Tue4:428.34:557.311:030.111:080.27:525:49Waxing Crescent20Tue
21Wed5:198.25:446.311:530.511:441.67:505:51Waxing Crescent21Wed
22Thu5:587.96:415.312:481.17:475:53First Quarter22Thu
23Fri6:417.58:014.612:233.01:561.77:455:55First Quarter23Fri
24Sat7:347.110:114.41:084.33:292.07:425:58First Quarter24Sat
25Sun8:456.811:514.82:145.34:591.87:406:00First Quarter25Sun
26Mon10:086.84:015.76:041.37:376:02Waxing Gibbous26Mon
27Tue12:435.311:17 AM7.05:315.36:510.87:356:04Waxing Gibbous27Tue
28Wed1:185.712:107.36:284.77:270.27:326:06Waxing Gibbous28Wed
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 transitional phase. Tonight's moon is 36% 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 Third Quarter (36% 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