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

TIDE TIMES for Sunday, August 2, 2026
The tide is currently rising in Chiachi Island (East Side), AK.
Next low tide : 11:33 am (-0.5 ft)
Next high tide : in 2h 58m at 4:57 am (7.3 ft)
Sunset today : 10:41 pm
Sunrise tomorrow : 6:44 am
Moon phase : Waning Gibbous (83% illuminated)
Tide Station Location : Station #9459085
Common Questions About Tides

Chiachi Island (East Side), AK Tides - Jun 1968

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat3:307.35:205.310:47-0.310:344.43:589:10Waxing Crescent1Sat
2Sun4:186.86:095.411:330.011:374.33:579:11First Quarter2Sun
3Mon5:156.27:005.712:220.43:569:12First Quarter3Mon
4Tue6:245.77:506.112:523.81:150.93:559:13First Quarter4Tue
5Wed7:465.38:386.82:122.92:111.33:549:14First Quarter5Wed
6Thu9:085.39:257.53:241.63:061.83:549:16Waxing Gibbous6Thu
7Fri10:235.510:118.34:260.14:012.23:539:17Waxing Gibbous7Fri
8Sat11:295.810:598.95:21-1.24:542.53:529:18Waxing Gibbous8Sat
9Sun12:296.16:14-2.35:472.73:529:19Full Moon9Sun
10Mon1:226.37:04-3.06:382.93:519:19Full Moon10Mon
11Tue12:369.62:136.47:52-3.37:292.93:519:20Full Moon11Tue
12Wed1:269.63:036.58:40-3.28:203.03:509:21Waning Gibbous12Wed
13Thu2:159.23:536.49:28-2.79:123.13:509:22Waning Gibbous13Thu
14Fri3:068.64:436.310:16-2.010:093.33:509:22Waning Gibbous14Fri
15Sat3:587.85:346.311:04-1.211:103.43:509:23Third Quarter15Sat
16Sun4:536.96:256.211:52-0.23:509:24Third Quarter16Sun
17Mon5:545.97:166.312:213.312:400.73:509:24Third Quarter17Mon
18Tue7:055.28:056.51:413.01:311.63:509:24Third Quarter18Tue
19Wed8:284.78:506.72:592.42:222.53:509:25Waning Crescent19Wed
20Thu9:494.69:327.04:011.63:133.23:509:25Waning Crescent20Thu
21Fri10:584.810:127.34:530.94:023.73:509:25Waning Crescent21Fri
22Sat11:535.010:517.55:380.34:494.03:509:25Waning Crescent22Sat
23Sun12:385.36:17-0.25:334.23:519:26New Moon23Sun
24Mon1:175.56:54-0.66:154.23:519:26New Moon24Mon
25Tue12:088.01:525.77:29-0.96:554.13:529:25New Moon25Tue
26Wed12:468.22:275.88:03-1.17:334.03:529:25New Moon26Wed
27Thu1:238.23:015.88:36-1.38:113.83:539:25New Moon27Thu
28Fri2:008.13:365.89:11-1.38:513.73:549:25Waxing Crescent28Fri
29Sat2:387.84:105.99:46-1.29:353.53:549:25Waxing Crescent29Sat
30Sun3:197.44:466.010:22-1.010:253.33:559:24Waxing Crescent30Sun
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 8:15 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 83% 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 (83% 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