Tides Today & Tomorrow in Ketchikan, AK

TIDE TIMES for Friday, August 21, 2026
The tide is currently falling in Ketchikan, AK.
Next low tide : in 3h 05m at 1:44 pm (6.9 ft)
Next high tide : 8:02 pm (12.2 ft)
Sunset today : 8:06 pm
Sunrise tomorrow : 5:32 am
Moon phase : First Quarter (66% illuminated)
Tide Station Location : Station #9450460
Common Questions About Tides

Ketchikan, AK Tides - Jan 1941

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed1:5915.71:4316.17:422.98:06-0.67:132:27Waxing Crescent1Wed
2Thu2:3915.22:2514.88:283.48:450.77:132:28Waxing Crescent2Thu
3Fri3:2014.63:1013.49:174.09:262.07:122:29First Quarter3Fri
4Sat4:0414.04:0212.110:134.510:113.37:122:30First Quarter4Sat
5Sun4:5313.55:0611.111:194.611:054.57:112:32First Quarter5Sun
6Mon5:4913.36:2410.612:304.47:112:33First Quarter6Mon
7Tue6:4913.57:4210.812:095.21:383.67:102:35Waxing Gibbous7Tue
8Wed7:4613.98:4711.51:165.52:342.67:102:36Waxing Gibbous8Wed
9Thu8:3614.69:3912.32:175.43:201.57:092:38Waxing Gibbous9Thu
10Fri9:2215.410:2213.33:095.04:020.37:082:39Waxing Gibbous10Fri
11Sat10:0416.211:0214.23:544.44:40-0.77:072:41Full Moon11Sat
12Sun10:4416.911:4015.04:353.75:16-1.67:062:43Full Moon12Sun
13Mon11:2417.45:153.05:52-2.27:052:44Full Moon13Mon
14Tue12:1715.612:0317.75:542.56:29-2.57:042:46Full Moon14Tue
15Wed12:5416.112:4417.56:352.17:07-2.47:032:48Waning Gibbous15Wed
16Thu1:3216.41:2617.07:181.97:46-1.87:022:50Waning Gibbous16Thu
17Fri2:1316.42:1216.08:051.98:28-0.97:012:52Waning Gibbous17Fri
18Sat2:5616.33:0414.88:572.19:140.47:002:53Third Quarter18Sat
19Sun3:4415.94:0513.49:582.410:081.96:592:55Third Quarter19Sun
20Mon4:4015.65:2012.311:092.511:113.26:572:57Third Quarter20Mon
21Tue5:4415.46:4711.912:292.26:562:59Third Quarter21Tue
22Wed6:5415.58:1012.412:254.11:451.46:543:01Waning Crescent22Wed
23Thu8:0215.99:1813.31:414.32:500.36:533:03Waning Crescent23Thu
24Fri9:0316.510:1314.32:494.03:45-0.86:513:05Waning Crescent24Fri
25Sat9:5617.111:0015.13:463.34:32-1.66:503:07New Moon25Sat
26Sun10:4417.511:4115.84:362.65:14-2.16:483:09New Moon26Sun
27Mon11:2717.65:202.15:52-2.26:473:11New Moon27Mon
28Tue12:1916.112:0717.46:011.76:28-2.06:453:13New Moon28Tue
29Wed12:5516.212:4516.96:411.67:03-1.46:433:15Waxing Crescent29Wed
30Thu1:2916.01:2116.17:191.87:36-0.56:423:17Waxing Crescent30Thu
31Fri2:0215.61:5815.07:572.28:080.66:403:20Waxing Crescent31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9450460)

Common Questions About Ketchikan, AK Tides

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What time does the tide turn (slack tide) in Ketchikan, AK today?

Slack tide in Ketchikan, AK is approximately 4:53 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 Ketchikan, AK?

Ketchikan, AK is currently in a transitional phase. Tonight's moon is 66% 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 Ketchikan, 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 Ketchikan, AK?

Tide predictions for Ketchikan, 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 Ketchikan, AK?

Tide data for Ketchikan, AK is sourced from NOAA Station #9450460. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9450460.

What is the moon phase in Ketchikan, AK tonight?

Tonight the moon over Ketchikan, AK is First Quarter (66% illuminated). This places Ketchikan, 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