Tides Today & Tomorrow in Ketchikan, AK

TIDE TIMES for Sunday, August 16, 2026
The tide is currently falling in Ketchikan, AK.
Next low tide : in 4h 30m at 9:41 am (-0.7 ft)
Next high tide : 4:00 pm (16.3 ft)
Sunset today : 8:18 pm
Sunrise tomorrow : 5:22 am
Moon phase : Waxing Crescent (20% illuminated)
Tide Station Location : Station #9450460
Common Questions About Tides

Ketchikan, AK Tides - Mar 2100

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon3:3217.44:1913.410:02-0.49:582.96:355:21Third Quarter1Mon
2Tue4:1816.35:2611.811:020.810:524.76:325:24Third Quarter2Tue
3Wed5:1514.96:5810.812:191.96:305:26Third Quarter3Wed
4Thu6:3313.88:4310.912:096.21:532.26:275:28Third Quarter4Thu
5Fri8:0813.510:0011.91:536.73:171.76:255:30Waning Crescent5Fri
6Sat9:2914.010:5113.03:245.94:170.86:225:32Waning Crescent6Sat
7Sun10:2814.711:3014.04:254.65:020.16:205:34Waning Crescent7Sun
8Mon11:1415.45:113.35:39-0.56:175:36Waning Crescent8Mon
9Tue12:0314.811:53 AM15.85:492.16:10-0.76:155:38New Moon9Tue
10Wed12:3215.412:2815.96:231.26:39-0.66:125:40New Moon10Wed
11Thu12:5815.81:0115.86:550.57:05-0.26:105:42New Moon11Thu
12Fri1:2316.01:3315.47:260.17:310.46:075:44New Moon12Fri
13Sat1:4716.02:0414.87:560.17:561.36:055:46Waxing Crescent13Sat
14Sun3:1115.83:3614.09:270.39:222.37:026:48Waxing Crescent14Sun
15Mon3:3615.44:1113.010:000.89:483.46:596:50Waxing Crescent15Mon
16Tue4:0414.84:5011.910:371.610:184.66:576:52Waxing Crescent16Tue
17Wed4:3614.15:4010.711:232.510:555.76:546:54First Quarter17Wed
18Thu5:1913.26:559.812:273.26:526:56First Quarter18Thu
19Fri6:2512.58:419.81:563.46:496:58First Quarter19Fri
20Sat8:0412.310:0610.71:347.33:242.76:477:00First Quarter20Sat
21Sun9:3413.010:5912.13:256.64:271.46:447:02Waxing Gibbous21Sun
22Mon10:4114.311:4013.74:364.95:150.06:417:04Waxing Gibbous22Mon
23Tue11:3415.55:272.95:56-1.16:397:06Waxing Gibbous23Tue
24Wed12:1715.412:2316.66:130.96:35-1.86:367:08Full Moon24Wed
25Thu12:5216.81:0917.36:56-1.07:13-2.06:347:10Full Moon25Thu
26Fri1:2818.01:5417.47:38-2.47:51-1.76:317:12Full Moon26Fri
27Sat2:0518.72:3917.08:21-3.28:30-0.86:287:14Waning Gibbous27Sat
28Sun2:4318.83:2616.19:05-3.29:100.56:267:16Waning Gibbous28Sun
29Mon3:2218.34:1514.89:52-2.59:522.16:237:18Waning Gibbous29Mon
30Tue4:0517.35:1013.310:43-1.210:403.76:217:20Waning Gibbous30Tue
31Wed4:5315.86:1711.911:420.311:405.36:187:22Third Quarter31Wed
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 12:50 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 spring phase. Tonight's moon is 20% 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 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 Waxing Crescent (20% illuminated). This places Ketchikan, 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