Tides Today & Tomorrow in Ninilchik, Cook Inlet, AK

TIDE TIMES for Friday, July 17, 2026
The tide is currently falling in Ninilchik, Cook Inlet, AK.
Next low tide : in 1h 23m at 12:03 am (1.3 ft)
Next high tide : 6:01 am (21.2 ft)
Sunset today : 11:12 pm
Sunrise tomorrow : 5:13 am
Moon phase : Waxing Crescent (8% illuminated)
Tide Station Location : Station #9455653
Common Questions About Tides

Ninilchik, Cook Inlet, AK Tides - Sep 1983

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu10:0013.59:3316.33:273.63:298.16:018:12Third Quarter1Thu
2Fri11:4014.411:0917.04:532.85:097.96:038:09Waning Crescent2Fri
3Sat12:4716.26:071.26:266.46:068:06Waning Crescent3Sat
4Sun12:2418.61:3718.27:06-0.77:244.26:088:02Waning Crescent4Sun
5Mon1:2320.42:2020.17:56-2.58:142.06:107:59New Moon5Mon
6Tue2:1422.03:0121.78:41-3.78:590.06:137:56New Moon6Tue
7Wed3:0223.13:4022.89:23-4.29:43-1.56:157:53New Moon7Wed
8Thu3:4823.34:1923.210:04-3.910:26-2.26:177:50Waxing Crescent8Thu
9Fri4:3422.84:5723.010:44-2.711:10-2.26:207:47Waxing Crescent9Fri
10Sat5:1921.65:3522.211:25-0.911:55-1.36:227:44Waxing Crescent10Sat
11Sun6:0519.86:1520.712:061.46:257:41Waxing Crescent11Sun
12Mon6:5617.66:5719.012:430.112:513.96:277:38First Quarter12Mon
13Tue7:5715.67:4917.11:381.71:466.26:297:35First Quarter13Tue
14Wed9:2214.29:0415.62:463.23:018.06:327:32First Quarter14Wed
15Thu11:0314.010:4115.24:074.04:348.56:347:29First Quarter15Thu
16Fri12:2115.05:273.75:577.96:367:26Waxing Gibbous16Fri
17Sat12:0015.81:1116.36:312.76:566.56:397:23Waxing Gibbous17Sat
18Sun12:5517.01:4917.67:191.67:394.96:417:20Waxing Gibbous18Sun
19Mon1:3818.22:2118.77:580.58:153.46:437:17Waxing Gibbous19Mon
20Tue2:1519.22:5019.68:31-0.38:482.16:467:14Full Moon20Tue
21Wed2:4920.03:1720.39:02-0.79:191.06:487:11Full Moon21Wed
22Thu3:2120.43:4320.79:32-0.79:480.36:507:08Full Moon22Thu
23Fri3:5220.44:0820.910:00-0.310:18-0.16:537:05Full Moon23Fri
24Sat4:2220.24:3220.710:270.610:47-0.16:557:01Waning Gibbous24Sat
25Sun4:5419.54:5720.410:541.811:180.26:576:58Waning Gibbous25Sun
26Mon5:2718.65:2419.811:233.211:530.87:006:55Waning Gibbous26Mon
27Tue6:0417.45:5619.011:554.87:026:52Waning Gibbous27Tue
28Wed6:5116.06:3617.912:361.712:366.57:046:49Third Quarter28Wed
29Thu7:5914.67:3416.61:342.71:388.07:076:46Third Quarter29Thu
30Fri9:4714.19:1015.82:573.43:228.87:096:43Third Quarter30Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9455653)

Common Questions About Ninilchik, Cook Inlet, AK Tides

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

Slack tide in Ninilchik, Cook Inlet, AK is approximately 3:02 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 8% 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 Waxing Crescent (8% 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