Water Temperature of Cook Inlet in Nikiski, AK

Current Water Temperature

29.1°F

Measurement Time: Tuesday, January 20, 2026, 9:48 PM AKST

Today's Tides

 High: January 20, 5:54 AM, 21.0 ft
Low: January 20, 11:52 AM, 3.5 ft
 High: January 20, 5:28 PM, 21.4 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

24.8°F
Overcast
Overcast
19.4°F
16.6°F
86%
ENE 4.3 mph
8.9 mph
9.9°F
16.2°F
0 in
100%
9 mi
1030 mbar
0

Five Day Weather Forecast

Freezing fog
Tue
H: 26°F
L: 15°F
Freezing fog
Wed
H: 25°F
L: 13°F
Mist
Thu
H: 23°F
L: 12°F
Freezing fog
Fri
H: 22°F
L: 10°F
Partly Cloudy
Sat
H: 22°F
L: 12°F

Air Quality

AQI: 1 - Good
PM2.5: 4.55 μg/m3
PM10: 5.25 μg/m3
Carbon Monoxide: 132.85 μg/m3
Nitrogen Dioxide: 4.95 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 9:49 AM
Sun Transit: 1:16 PM
Sunset: 4:45 PM
Daylight: 6 hrs 57 mins
Moonrise: 10:46 AM
Moon Transit: 3:00 PM
Moonset: 7:31 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

6:26 PM - 8:56 PM
2:30 PM - 5:00 PM

Minor Periods

7:01 PM - 8:31 PM
10:16 AM - 11:46 AM

Action Rating: 5 out of 5

Tuesday, January 20, 2026

Weather Forecast

Freezing fog
26°F
14.8°F
19.5°F
98%
0 in
0%
0%
4.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4.56 μg/m3
PM10: 5.8 μg/m3
Carbon Monoxide: 170.41 μg/m3
Nitrogen Dioxide: 6.06 μg/m3
Sulphur Dioxide: 1.76 μg/m3
Ozone: 67.84 μg/m3

Astronomical

Sunrise: 9:49 AM
Sun Transit: 1:16 PM
Sunset: 4:45 PM
Daylight: 6 hrs 57 mins
Moonrise: 10:46 AM
Moon Transit: 3:00 PM
Moonset: 7:31 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

6:26 PM - 8:56 PM
2:30 PM - 5:00 PM

Minor Periods

7:01 PM - 8:31 PM
10:16 AM - 11:46 AM

Action Rating: 5 out of 5

Wednesday, January 21, 2026

Weather Forecast

Freezing fog
25°F
13.3°F
17°F
97%
0 in
0%
0%
5.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.26 μg/m3
PM10: 6.14 μg/m3
Carbon Monoxide: 153.81 μg/m3
Nitrogen Dioxide: 8.04 μg/m3
Sulphur Dioxide: 1.83 μg/m3
Ozone: 64.28 μg/m3

Astronomical

Sunrise: 9:47 AM
Sun Transit: 1:17 PM
Sunset: 4:48 PM
Daylight: 7 hrs 1 mins
Moonrise: 10:44 AM
Moon Transit: 3:45 PM
Moonset: 9:06 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.1%

Best Times for Fishing or Hunting

Major Periods

7:11 PM - 9:41 PM
3:15 PM - 5:45 PM

Minor Periods

8:36 PM - 10:06 PM
10:14 AM - 11:44 AM

Action Rating: 3 out of 5

Thursday, January 22, 2026

Weather Forecast

Mist
22.9°F
12°F
15.5°F
96%
0 in
0%
0%
5.1 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4.87 μg/m3
PM10: 5.09 μg/m3
Carbon Monoxide: 141.01 μg/m3
Nitrogen Dioxide: 6.72 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 69.12 μg/m3

Astronomical

Sunrise: 9:45 AM
Sun Transit: 1:17 PM
Sunset: 4:51 PM
Daylight: 7 hrs 6 mins
Moonrise: 10:42 AM
Moon Transit: 12:00 AM
Moonset: 10:41 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

10:11 PM - 11:41 PM
10:12 AM - 11:42 AM

Action Rating: 3 out of 5

Friday, January 23, 2026

Weather Forecast

Freezing fog
21.7°F
10.4°F
14.6°F
96%
0 in
0%
0%
5.4 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 3.75 μg/m3
PM10: 3.82 μg/m3
Carbon Monoxide: 132.73 μg/m3
Nitrogen Dioxide: 5.42 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 75.8 μg/m3

Astronomical

Sunrise: 9:43 AM
Sun Transit: 1:17 PM
Sunset: 4:53 PM
Daylight: 7 hrs 10 mins
Moonrise: 10:40 AM
Moon Transit: 5:54 AM
Moonset: 12:17 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%

Best Times for Fishing or Hunting

Major Periods

5:24 AM - 7:54 AM
5:24 AM - 7:54 AM

Minor Periods

12:00 AM - 12:00 AM
10:10 AM - 11:40 AM

Action Rating: 3 out of 5

Saturday, January 24, 2026

Weather Forecast

Partly Cloudy
21.9°F
11.9°F
16.9°F
93%
0 in
0%
0%
6.5 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 3.78 μg/m3
PM10: 3.95 μg/m3
Carbon Monoxide: 162.2 μg/m3
Nitrogen Dioxide: 6.05 μg/m3
Sulphur Dioxide: 1.46 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 9:41 AM
Sun Transit: 1:17 PM
Sunset: 4:56 PM
Daylight: 7 hrs 15 mins
Moonrise: 10:38 AM
Moon Transit: 6:01 PM
Moonset: 12:17 AM
Moon Phase: First Quarter
Moon Illumination: 34.7%

Best Times for Fishing or Hunting

Major Periods

9:27 PM - 11:57 PM
5:31 PM - 8:01 PM

Minor Periods

10:08 AM - 11:38 AM
12:00 AM - 12:00 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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