Tides Today & Tomorrow in Ninilchik, Cook Inlet, AK

TIDE TIMES for Tuesday, August 4, 2026
The tide is currently falling in Ninilchik, Cook Inlet, AK.
Next low tide : in 5h 00m at 1:40 am (2.1 ft)
Next high tide : 7:35 am (16.6 ft)
Sunset today : 10:32 pm
Sunrise tomorrow : 5:53 am
Moon phase : Waning Gibbous (74% illuminated)
Tide Station Location : Station #9455653
Common Questions About Tides

Ninilchik, Cook Inlet, AK Tides - Apr 2085

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun8:2615.710:1813.62:357.23:333.67:278:52First Quarter1Sun
2Mon9:4914.111:5313.74:008.34:544.47:248:55First Quarter2Mon
3Tue11:3813.85:358.16:114.27:218:57First Quarter3Tue
4Wed1:0114.712:5614.76:516.87:123.57:189:00Waxing Gibbous4Wed
5Thu1:4616.01:5015.97:445.07:592.67:159:02Waxing Gibbous5Thu
6Fri2:2117.32:3217.28:253.18:371.87:129:05Waxing Gibbous6Fri
7Sat2:5218.53:0918.39:001.39:111.27:099:07Waxing Gibbous7Sat
8Sun3:2019.53:4319.19:33-0.29:431.07:069:09Full Moon8Sun
9Mon3:4820.34:1719.610:05-1.410:141.17:039:12Full Moon9Mon
10Tue4:1520.84:5019.810:36-2.110:441.57:009:14Full Moon10Tue
11Wed4:4221.05:2319.611:08-2.511:152.26:579:17Full Moon11Wed
12Thu5:1020.95:5819.011:41-2.411:473.16:549:19Waning Gibbous12Thu
13Fri5:4220.56:3718.112:17-1.86:519:22Waning Gibbous13Fri
14Sat6:1719.77:2216.912:224.212:59-0.96:489:24Waning Gibbous14Sat
15Sun6:5918.58:1815.81:055.31:500.36:459:27Third Quarter15Sun
16Mon7:5317.19:3315.12:026.52:551.56:429:29Third Quarter16Mon
17Tue9:1115.711:0115.43:277.04:152.36:399:32Third Quarter17Tue
18Wed10:5715.25:026.35:342.36:379:34Third Quarter18Wed
19Thu12:1516.612:2816.26:224.46:431.76:349:37Waning Crescent19Thu
20Fri1:1118.31:3517.77:251.97:401.06:319:39Waning Crescent20Fri
21Sat1:5820.02:3019.28:17-0.68:300.46:289:42Waning Crescent21Sat
22Sun2:4121.53:1820.39:02-2.79:140.26:259:44New Moon22Sun
23Mon3:2122.44:0320.99:45-4.09:560.36:229:47New Moon23Mon
24Tue3:5922.84:4620.910:26-4.610:360.96:199:49New Moon24Tue
25Wed4:3722.55:2720.311:06-4.411:161.86:179:52New Moon25Wed
26Thu5:1421.76:0919.311:45-3.511:553.06:149:54Waxing Crescent26Thu
27Fri5:5120.46:5118.012:25-2.16:119:57Waxing Crescent27Fri
28Sat6:2818.87:3616.612:354.41:08-0.56:089:59Waxing Crescent28Sat
29Sun7:0817.18:2815.41:205.81:551.36:0510:02First Quarter29Sun
30Mon7:5515.49:3314.52:166.92:512.86:0310:04First Quarter30Mon
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 4:37 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 transitional phase. Tonight's moon is 74% 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 Waning Gibbous (74% 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