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

TIDE TIMES for Thursday, July 9, 2026
The tide is currently rising in Chiachi Island (East Side), AK.
Next low tide : 3:47 pm (3.3 ft)
Next high tide : in 4h 31m at 10:22 am (4.5 ft)
Sunset today : 11:18 pm
Sunrise tomorrow : 6:05 am
Moon phase : Waning Crescent (28% illuminated)
Tide Station Location : Station #9459085
Common Questions About Tides

Chiachi Island (East Side), AK Tides - Nov 1996

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri6:106.05:286.911:414.68:445:55Third Quarter1Fri
2Sat7:085.76:236.312:321.612:405.08:465:53Third Quarter2Sat
3Sun8:175.77:335.81:292.31:585.18:485:51Third Quarter3Sun
4Mon9:245.98:585.62:352.73:354.78:505:49Third Quarter4Mon
5Tue10:166.210:145.73:422.84:453.88:535:47Waning Crescent5Tue
6Wed10:566.711:146.04:362.75:342.88:555:45Waning Crescent6Wed
7Thu11:317.35:212.66:141.78:575:43Waning Crescent7Thu
8Fri12:046.312:057.86:012.56:510.78:595:41Waning Crescent8Fri
9Sat12:496.612:398.36:392.47:27-0.29:015:39New Moon9Sat
10Sun1:306.91:138.87:172.38:04-0.99:035:37New Moon10Sun
11Mon2:117.11:489.17:542.48:42-1.49:055:35New Moon11Mon
12Tue2:527.22:269.28:332.59:21-1.69:075:33New Moon12Tue
13Wed3:347.23:059.29:142.710:04-1.69:095:31Waxing Crescent13Wed
14Thu4:207.03:498.99:573.010:49-1.29:115:30Waxing Crescent14Thu
15Fri5:096.84:378.410:473.411:39-0.69:135:28Waxing Crescent15Fri
16Sat6:046.75:337.711:453.89:155:26First Quarter16Sat
17Sun7:056.66:407.012:340.112:543.99:175:25First Quarter17Sun
18Mon8:126.88:026.41:350.82:193.79:195:23First Quarter18Mon
19Tue9:187.19:316.22:431.43:492.99:215:22Waxing Gibbous19Tue
20Wed10:167.610:506.33:511.85:011.79:235:20Waxing Gibbous20Wed
21Thu11:068.211:566.54:522.05:590.69:255:19Waxing Gibbous21Thu
22Fri11:528.65:452.26:48-0.49:275:17Waxing Gibbous22Fri
23Sat12:516.812:338.96:332.37:31-1.09:295:16Full Moon23Sat
24Sun1:397.01:139.17:162.58:11-1.49:315:15Full Moon24Sun
25Mon2:227.11:509.17:572.88:48-1.49:335:14Full Moon25Mon
26Tue3:037.12:269.08:363.09:24-1.29:355:12Full Moon26Tue
27Wed3:427.03:028.79:133.310:00-0.89:365:11Waning Gibbous27Wed
28Thu4:206.83:378.29:513.710:35-0.39:385:10Waning Gibbous28Thu
29Fri4:596.64:157.710:314.011:130.39:405:09Waning Gibbous29Fri
30Sat5:396.44:557.111:154.411:521.09:415:08Waning Gibbous30Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9459085)

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

Show All
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 1:04 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 transitional phase. Tonight's moon is 28% 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 Crescent (28% 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