Water Temperature of Cook Inlet in Nikiski, AK

Current Water Temperature

29.1°F

Measurement Time: Friday, February 20, 2026, 10:36 PM AKST

Today's Tides

Low: February 20, 12:19 AM, -1.5 ft
 High: February 20, 6:16 AM, 23.0 ft
Low: February 20, 12:45 PM, -0.6 ft
 High: February 20, 6:33 PM, 21.5 ft

Temperature Locations

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Local Points of Interest

East Foreland Lighthouse Reserve; Kalgin Island; Kenai, AK; Trading Bay; Gompertz Channel; Redoubt Bay; Point Possession; Gulf of Alaska

Cook Inlet

Station Name: Nikiski
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 0 feet

Sensor Depth: -2 feet

Nearest Address:
48775 Kenai Spur Hwy
Nikiski, AK 99611
Kenai Peninsula County

GPS Coordinates: 60.683333, -151.398056

Nearby Water Temperatures

Knik Arm, Anchorage, AK (63.4 mi)
Bradley River, Fox River, AK (63.4 mi)
Marathon Creek, Seward, AK (77.3 mi)
Resurrection Bay, Seward, AK (77.7 mi)
Kachemak Bay, Seldovia, AK (86.6 mi)
Willow Creek, Willow, AK (90.9 mi)
Kashwitna River, Willow, AK (96.3 mi)
Matanuska River, Palmer, AK (100.5 mi)
Talkeetna River, Talkeetna, AK (123.6 mi)
Orca Inlet, Cordova, AK (191.4 mi)
Chiniak Bay, Kodiak Station, AK (207.8 mi)
Terror River, Kodiak, AK (215.8 mi)
Akhiok Bay, Alitak, AK (280.7 mi)

Weather for Nikiski, Alaska

Current Weather

16.2°F
Clear
Clear
5.3°F
1.6°F
44%
ENE 8.3 mph
17.4 mph
-12.5°F
-0.5°F
0 in
0%
9 mi
1034 mbar
0

Five Day Weather Forecast

Sunny
Fri
H: 12°F
L: -2°F
Sunny
Sat
H: 4°F
L: -11°F
Sunny
Sun
H: 15°F
L: -0°F
Cloudy
Mon
H: 21°F
L: 8°F
Heavy snow
Tue
H: 28°F
L: 10°F

Air Quality

AQI: 1 - Good
PM2.5: 1.85 μg/m3
PM10: 2.25 μg/m3
Carbon Monoxide: 154.85 μg/m3
Nitrogen Dioxide: 1.55 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 82 μg/m3

Astronomical

Sunrise: 8:31 AM
Sun Transit: 1:19 PM
Sunset: 6:09 PM
Daylight: 9 hrs 38 mins
Moonrise: 8:50 AM
Moon Transit: 12:00 AM
Moonset: 11:39 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:25 PM - 9:55 PM

Minor Periods

12:00 AM - 12:00 AM
8:20 AM - 9:50 AM

Action Rating: 3 out of 5

Wind Advisory issued February 20 at 5:06AM AKST until February 20 at 6:00PM AKST by NWS Anchorage AK

Effective: Fri February 20, 2026, 5:06 AM
Expires: Fri February 20, 2026, 4:30 PM

* WHAT...North to west winds 30 to 45 mph with gusts up to 60 mph expected. A few isolated gusts to 70 mph are possible through the rest of this morning. Wind chill readings dropping to zero to 15 below zero in the morning. * WHERE...Seward (and vicinity) and Whittier. * WHEN...Until 6 PM AKST this evening. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. The very cold wind chills as low as 15 below zero could result in hypothermia or frostbite if precautions are not taken. * ADDITIONAL DETAILS...Winds will then very gradually diminish through Saturday. The coldest wind chill temperatures will be this morning and Saturday morning.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.


Wind Advisory issued February 20 at 2:23PM AKST until February 20 at 6:00PM AKST by NWS Anchorage AK

Effective: Fri February 20, 2026, 2:23 PM
Expires: Fri February 20, 2026, 6:00 PM

* WHAT...North to west winds 30 to 45 mph with gusts up to 60 mph expected. Wind chills as low as zero degrees. * WHERE...Seward (and vicinity) and Whittier. * WHEN...Until 6 PM AKST this evening. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. Cold wind chills as low as zero degrees could result in hypothermia or frostbite if precautions are not taken. * ADDITIONAL DETAILS...Winds have peaked and will begin a slow process of diminishing tonight through Saturday night.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Friday, February 20, 2026

Weather Forecast

Sunny
12°F
-1.6°F
5.1°F
77%
0 in
0%
0%
19.9 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 1.69 μg/m3
PM10: 2.06 μg/m3
Carbon Monoxide: 153.29 μg/m3
Nitrogen Dioxide: 1.22 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 84.56 μg/m3

Astronomical

Sunrise: 8:31 AM
Sun Transit: 1:19 PM
Sunset: 6:09 PM
Daylight: 9 hrs 38 mins
Moonrise: 8:50 AM
Moon Transit: 12:00 AM
Moonset: 11:39 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:25 PM - 9:55 PM

Minor Periods

12:00 AM - 12:00 AM
8:20 AM - 9:50 AM

Action Rating: 3 out of 5

Saturday, February 21, 2026

Weather Forecast

Sunny
3.8°F
-11.2°F
-2.8°F
93%
0 in
0%
0%
8.7 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.82 μg/m3
PM10: 2.2 μg/m3
Carbon Monoxide: 153.93 μg/m3
Nitrogen Dioxide: 1.51 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 82.04 μg/m3

Astronomical

Sunrise: 8:28 AM
Sun Transit: 1:19 PM
Sunset: 6:12 PM
Daylight: 9 hrs 43 mins
Moonrise: 8:49 AM
Moon Transit: 4:48 PM
Moonset: 12:39 AM
Moon Phase: Waxing Crescent
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

8:15 PM - 10:45 PM
4:18 PM - 6:48 PM

Minor Periods

8:19 AM - 9:49 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, February 22, 2026

Weather Forecast

Sunny
15°F
-0.2°F
7.5°F
89%
0 in
0%
0%
5.8 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.25 μg/m3
PM10: 2.59 μg/m3
Carbon Monoxide: 154.49 μg/m3
Nitrogen Dioxide: 3.17 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 79.68 μg/m3

Astronomical

Sunrise: 8:25 AM
Sun Transit: 1:19 PM
Sunset: 6:14 PM
Daylight: 9 hrs 49 mins
Moonrise: 8:48 AM
Moon Transit: 5:41 PM
Moonset: 1:25 AM
Moon Phase: Waxing Crescent
Moon Illumination: 29.1%

Best Times for Fishing or Hunting

Major Periods

9:09 PM - 11:39 PM
5:11 PM - 7:41 PM

Minor Periods

8:18 AM - 9:48 AM
12:55 AM - 2:25 AM

Action Rating: 3 out of 5

Monday, February 23, 2026

Weather Forecast

Cloudy
21.4°F
8.2°F
16°F
87%
0 in
0%
3%
5.1 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 3.12 μg/m3
PM10: 3.67 μg/m3
Carbon Monoxide: 161.61 μg/m3
Nitrogen Dioxide: 4.68 μg/m3
Sulphur Dioxide: 1.96 μg/m3
Ozone: 82.56 μg/m3

Astronomical

Sunrise: 8:22 AM
Sun Transit: 1:18 PM
Sunset: 6:17 PM
Daylight: 9 hrs 55 mins
Moonrise: 8:49 AM
Moon Transit: 6:38 PM
Moonset: 3:18 AM
Moon Phase: First Quarter
Moon Illumination: 39.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:08 PM - 8:38 PM

Minor Periods

8:19 AM - 9:49 AM
2:48 AM - 4:18 AM

Action Rating: 4 out of 5

Tuesday, February 24, 2026

Weather Forecast

Heavy snow
28°F
9.9°F
21.9°F
92%
0.15 in
84%
47%
14.3 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 4.05 μg/m3
PM10: 5.07 μg/m3
Carbon Monoxide: 166.75 μg/m3
Nitrogen Dioxide: 7.54 μg/m3
Sulphur Dioxide: 3.03 μg/m3
Ozone: 74.32 μg/m3

Astronomical

Sunrise: 8:19 AM
Sun Transit: 1:18 PM
Sunset: 6:20 PM
Daylight: 10 hrs mins
Moonrise: 8:55 AM
Moon Transit: 7:39 PM
Moonset: 5:15 AM
Moon Phase: First Quarter
Moon Illumination: 51.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:09 PM - 9:39 PM

Minor Periods

8:25 AM - 9:55 AM
4:45 AM - 6:15 AM

Action Rating: 3 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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