Tides Today & Tomorrow in Ninilchik, Cook Inlet, AK

TIDE TIMES for Tuesday, August 11, 2026
The tide is currently falling in Ninilchik, Cook Inlet, AK.
Next low tide : in 5h 05m at 9:15 am (-3.2 ft)
Next high tide : 3:44 pm (19.5 ft)
Sunset today : 10:11 pm
Sunrise tomorrow : 6:12 am
Moon phase : New Moon (1% illuminated)
Tide Station Location : Station #9455653
Common Questions About Tides

Ninilchik, Cook Inlet, AK Tides - Feb 1950

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed1:5818.01:2619.97:365.68:02-2.18:204:20Full Moon1Wed
2Thu2:3119.22:0520.98:134.28:37-3.08:184:22Full Moon2Thu
3Fri3:0220.22:4321.58:502.99:12-3.48:164:25Full Moon3Fri
4Sat3:3420.93:2221.69:271.89:46-3.18:134:27Waning Gibbous4Sat
5Sun4:0521.44:0221.210:051.010:20-2.18:114:30Waning Gibbous5Sun
6Mon4:3821.64:4420.210:460.610:57-0.58:084:33Waning Gibbous6Mon
7Tue5:1221.35:3118.711:310.711:361.58:064:35Waning Gibbous7Tue
8Wed5:5020.76:2516.812:231.18:034:38Third Quarter8Wed
9Thu6:3519.77:3614.912:213.81:261.98:004:41Third Quarter9Thu
10Fri7:3318.59:1813.91:186.12:432.47:584:43Third Quarter10Fri
11Sat8:5517.611:0114.52:407.84:102.17:554:46Waning Crescent11Sat
12Sun10:2917.74:208.35:281.07:534:49Waning Crescent12Sun
13Mon12:1416.011:45 AM18.65:447.36:29-0.47:504:51Waning Crescent13Mon
14Tue1:0717.612:4319.76:455.77:18-1.77:474:54Waning Crescent14Tue
15Wed1:4919.11:3220.77:344.08:00-2.67:444:57New Moon15Wed
16Thu2:2620.12:1421.28:152.68:37-2.97:424:59New Moon16Thu
17Fri3:0020.82:5321.38:531.69:11-2.67:395:02New Moon17Fri
18Sat3:3121.03:2820.89:281.09:42-1.87:365:04Waxing Crescent18Sat
19Sun4:0020.94:0220.010:020.910:12-0.57:335:07Waxing Crescent19Sun
20Mon4:2620.44:3418.810:341.110:401.17:315:10Waxing Crescent20Mon
21Tue4:5119.75:0717.411:071.711:072.97:285:12Waxing Crescent21Tue
22Wed5:1618.75:4115.911:422.611:354.87:255:15Waxing Crescent22Wed
23Thu5:4217.76:2214.212:233.77:225:17First Quarter23Thu
24Fri6:1316.67:2612.712:066.71:184.77:195:20First Quarter24Fri
25Sat6:5915.49:3912.012:518.52:415.37:165:22First Quarter25Sat
26Sun8:2614.511:2613.02:269.84:164.87:135:25First Quarter26Sun
27Mon10:2514.94:329.75:283.37:115:28Waxing Gibbous27Mon
28Tue12:2014.711:37 AM16.35:478.36:201.47:085:30Waxing Gibbous28Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9455653)

Common Questions About Ninilchik, Cook Inlet, AK Tides

Show All
What time does the tide turn (slack tide) in Ninilchik, Cook Inlet, AK today?

Slack tide in Ninilchik, Cook Inlet, AK is approximately 12:29 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 Ninilchik, Cook Inlet, AK?

Ninilchik, Cook Inlet, AK is currently in a spring phase. Tonight's moon is 1% 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 Ninilchik, Cook Inlet, 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 Ninilchik, Cook Inlet, AK?

Tide predictions for Ninilchik, Cook Inlet, 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 Ninilchik, Cook Inlet, AK?

Tide data for Ninilchik, Cook Inlet, AK is sourced from NOAA Station #9455653. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9455653.

What is the moon phase in Ninilchik, Cook Inlet, AK tonight?

Tonight the moon over Ninilchik, Cook Inlet, AK is New Moon (1% illuminated). This places Ninilchik, Cook Inlet, 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