Tides Today & Tomorrow in Ninilchik, Cook Inlet, AK

TIDE TIMES for Tuesday, August 4, 2026
The tide is currently rising in Ninilchik, Cook Inlet, AK.
Next low tide (tomorrow) : 2:28 am (2.3 ft)
Next high tide : in 4h 14m at 7:53 pm (18.9 ft)
Sunset today : 10:29 pm
Sunrise tomorrow : 5:55 am
Moon phase : Third Quarter (64% illuminated)
Tide Station Location : Station #9455653
Common Questions About Tides

Ninilchik, Cook Inlet, AK Tides - Jan 1960

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri4:1022.24:0222.510:051.710:30-3.59:093:10Waxing Crescent1Fri
2Sat4:5621.64:5120.810:552.311:17-1.79:093:12Waxing Crescent2Sat
3Sun5:4420.65:4318.811:493.19:083:13First Quarter3Sun
4Mon6:3419.56:4316.812:060.512:493.99:073:15First Quarter4Mon
5Tue7:3118.57:5615.11:002.61:564.59:073:16First Quarter5Tue
6Wed8:3417.89:2014.42:014.53:064.59:063:18First Quarter6Wed
7Thu9:3917.510:4014.63:085.84:153.99:053:20Waxing Gibbous7Thu
8Fri10:4017.811:4315.44:166.45:152.99:043:22Waxing Gibbous8Fri
9Sat11:3218.35:186.36:061.79:033:24Waxing Gibbous9Sat
10Sun12:3316.512:1619.06:115.96:480.59:023:26Waxing Gibbous10Sun
11Mon1:1517.512:5519.76:555.37:26-0.59:003:28Waxing Gibbous11Mon
12Tue1:5218.41:3220.27:354.68:02-1.38:593:30Full Moon12Tue
13Wed2:2619.12:0620.68:114.18:35-1.88:583:32Full Moon13Wed
14Thu2:5919.62:3920.68:463.79:08-1.98:563:34Full Moon14Thu
15Fri3:3119.83:1120.49:203.59:39-1.78:553:36Full Moon15Fri
16Sat4:0219.83:4420.09:543.510:11-1.18:533:39Waning Gibbous16Sat
17Sun4:3219.74:1819.310:293.610:43-0.28:523:41Waning Gibbous17Sun
18Mon5:0319.44:5518.311:073.811:171.08:503:43Waning Gibbous18Mon
19Tue5:3819.05:3817.211:514.011:572.48:483:46Third Quarter19Tue
20Wed6:1818.66:3315.912:454.28:473:48Third Quarter20Wed
21Thu7:0918.27:4914.812:473.91:534.18:453:50Third Quarter21Thu
22Fri8:1318.09:2514.61:515.33:093.48:433:53Third Quarter22Fri
23Sat9:3018.310:5315.63:116.14:252.08:413:55Waning Crescent23Sat
24Sun10:4319.34:326.05:310.18:393:58Waning Crescent24Sun
25Mon12:0017.311:47 AM20.75:425.06:27-1.88:374:00Waning Crescent25Mon
26Tue12:5419.112:4222.16:413.67:18-3.58:354:03New Moon26Tue
27Wed1:4220.71:3323.17:322.18:04-4.58:334:05New Moon27Wed
28Thu2:2721.92:2123.58:201.08:48-4.98:304:08New Moon28Thu
29Fri3:1022.53:0723.39:060.39:30-4.48:284:11New Moon29Fri
30Sat3:5122.63:5122.59:500.210:11-3.38:264:13Waxing Crescent30Sat
31Sun4:3222.14:3521.010:350.610:52-1.68:244:16Waxing Crescent31Sun
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 11:10 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 transitional phase. Tonight's moon is 64% 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 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 Third Quarter (64% illuminated). This places Ninilchik, Cook Inlet, 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