Tides Today & Tomorrow in Ninilchik, Cook Inlet, AK

TIDE TIMES for Tuesday, August 11, 2026
The tide is currently rising in Ninilchik, Cook Inlet, AK.
Next low tide : 9:15 am (-3.2 ft)
Next high tide : in 9m at 2:37 am (20.6 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 - Apr 1950

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat1:1820.41:3020.87:25-0.37:40-1.85:316:49Full Moon1Sat
2Sun1:5022.02:1121.98:02-2.68:16-1.95:286:52Full Moon2Sun
3Mon2:2223.12:5322.28:41-4.28:53-1.35:256:54Full Moon3Mon
4Tue2:5723.63:3521.89:20-4.99:31-0.25:226:56Waning Gibbous4Tue
5Wed3:3323.44:2020.610:02-4.610:101.55:196:59Waning Gibbous5Wed
6Thu4:1122.55:0818.910:47-3.410:533.55:167:01Waning Gibbous6Thu
7Fri4:5320.96:0416.811:39-1.511:455.65:137:04Third Quarter7Fri
8Sat5:4218.77:2015.012:430.65:107:06Third Quarter8Sat
9Sun6:5116.59:0214.412:587.42:052.25:077:09Third Quarter9Sun
10Mon8:3915.010:3315.22:428.13:342.75:047:11Third Quarter10Mon
11Tue10:2315.311:3416.74:207.04:512.25:017:14Waning Crescent11Tue
12Wed11:3316.45:315.15:481.44:587:16Waning Crescent12Wed
13Thu12:1718.012:2517.66:203.06:320.84:557:19Waning Crescent13Thu
14Fri12:5219.21:0618.56:591.17:090.54:527:21Waning Crescent14Fri
15Sat1:2320.01:4319.27:34-0.37:420.54:497:23New Moon15Sat
16Sun1:5120.52:1719.58:05-1.38:130.94:467:26New Moon16Sun
17Mon2:1720.72:4919.48:35-1.88:421.54:437:28New Moon17Mon
18Tue2:4220.53:2019.09:04-1.99:102.54:407:31New Moon18Tue
19Wed3:0620.13:5118.39:33-1.59:383.64:377:33Waxing Crescent19Wed
20Thu3:3019.44:2317.310:03-0.810:054.94:347:36Waxing Crescent20Thu
21Fri3:5518.64:5716.110:350.210:346.24:327:38Waxing Crescent21Fri
22Sat4:2317.55:3814.811:121.411:097.54:297:41Waxing Crescent22Sat
23Sun4:5716.36:3513.711:592.64:267:43First Quarter23Sun
24Mon5:4315.08:0613.212:028.61:073.64:237:46First Quarter24Mon
25Tue6:5913.89:3913.91:409.12:323.94:207:48First Quarter25Tue
26Wed9:0013.610:3815.33:268.23:493.44:177:51First Quarter26Wed
27Thu10:3014.811:2117.14:376.14:502.44:147:53Waxing Gibbous27Thu
28Fri11:3216.611:5819.05:303.45:401.44:127:56Waxing Gibbous28Fri
29Sat12:2218.56:140.56:240.64:097:58Waxing Gibbous29Sat
30Sun12:3420.91:0820.06:56-2.17:060.24:068:01Full Moon30Sun
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 5:56 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 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