Water Temperature of Cook Inlet in Nikiski, AK

Current Water Temperature

33.8°F

Measurement Time: Friday, April 17, 2026, 5:00 AM AKDT

Today's Tides

 High: April 17, 4:56 AM, 23.1 ft
Low: April 17, 11:40 AM, -3.3 ft
 High: April 17, 5:38 PM, 21.9 ft
Low: April 17, 11:50 PM, 1.0 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

30.4°F
Overcast
Overcast
28.7°F
31.7°F
100%
N 2.2 mph
3 mph
31.7°F
31.5°F
0 in
100%
9 mi
1009 mbar
0

Five Day Weather Forecast

Moderate snow
Fri
H: 33°F
L: 32°F
Light snow
Sat
H: 34°F
L: 31°F
Moderate or heavy snow showers
Sun
H: 34°F
L: 31°F
Cloudy
Mon
H: 37°F
L: 27°F
Light freezing rain
Tue
H: 31°F
L: 22°F

Air Quality

AQI: 1 - Good
PM2.5: 2.95 μg/m3
PM10: 2.95 μg/m3
Carbon Monoxide: 185.85 μg/m3
Nitrogen Dioxide: 6.75 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 66 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 2:05 PM
Sunset: 9:32 PM
Daylight: 14 hrs 52 mins
Moonrise: 6:13 AM
Moon Transit: 2:22 PM
Moonset: 11:10 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

5:49 PM - 8:19 PM
1:52 PM - 4:22 PM

Minor Periods

12:00 AM - 12:00 AM
5:43 AM - 7:13 AM

Action Rating: 3 out of 5

Friday, April 17, 2026

Weather Forecast

Moderate snow
33.2°F
31.5°F
32.2°F
98%
0.16 in
78%
78%
6 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 2.63 μg/m3
PM10: 3.06 μg/m3
Carbon Monoxide: 181.45 μg/m3
Nitrogen Dioxide: 4.17 μg/m3
Sulphur Dioxide: 1.46 μg/m3
Ozone: 75.64 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 2:05 PM
Sunset: 9:32 PM
Daylight: 14 hrs 52 mins
Moonrise: 6:13 AM
Moon Transit: 2:22 PM
Moonset: 11:10 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

5:49 PM - 8:19 PM
1:52 PM - 4:22 PM

Minor Periods

12:00 AM - 12:00 AM
5:43 AM - 7:13 AM

Action Rating: 3 out of 5

Saturday, April 18, 2026

Weather Forecast

Light snow
34.1°F
30.6°F
32.4°F
92%
0.02 in
60%
45%
6.7 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 3.64 μg/m3
PM10: 4.05 μg/m3
Carbon Monoxide: 174.49 μg/m3
Nitrogen Dioxide: 8.89 μg/m3
Sulphur Dioxide: 2.88 μg/m3
Ozone: 62.76 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 2:04 PM
Sunset: 9:35 PM
Daylight: 14 hrs 58 mins
Moonrise: 6:14 AM
Moon Transit: 3:19 PM
Moonset: 12:10 AM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

6:47 PM - 9:17 PM
2:49 PM - 5:19 PM

Minor Periods

5:44 AM - 7:14 AM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Sunday, April 19, 2026

Weather Forecast

Moderate or heavy snow showers
34.3°F
31.2°F
32.8°F
96%
0.08 in
75%
38%
14.3 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 2.15 μg/m3
PM10: 2.61 μg/m3
Carbon Monoxide: 161.69 μg/m3
Nitrogen Dioxide: 3.82 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 77.16 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 2:04 PM
Sunset: 9:37 PM
Daylight: 15 hrs 3 mins
Moonrise: 6:17 AM
Moon Transit: 4:21 PM
Moonset: 1:11 AM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

7:50 PM - 10:20 PM
3:51 PM - 6:21 PM

Minor Periods

5:47 AM - 7:17 AM
12:41 AM - 2:11 AM

Action Rating: 2 out of 5

Monday, April 20, 2026

Weather Forecast

Cloudy
36.7°F
27.3°F
33.5°F
76%
0 in
0%
0%
29.8 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 1.69 μg/m3
PM10: 2.02 μg/m3
Carbon Monoxide: 152.19 μg/m3
Nitrogen Dioxide: 2.7 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 82.04 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 2:04 PM
Sunset: 9:40 PM
Daylight: 15 hrs 9 mins
Moonrise: 6:30 AM
Moon Transit: 5:25 PM
Moonset: 3:11 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

8:55 PM - 11:25 PM
4:55 PM - 7:25 PM

Minor Periods

6:00 AM - 7:30 AM
2:41 AM - 4:11 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Light freezing rain
30.8°F
22°F
28.4°F
75%
0.01 in
82%
19%
20.1 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.6 μg/m3
PM10: 3.27 μg/m3
Carbon Monoxide: 162.47 μg/m3
Nitrogen Dioxide: 2.45 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 86.08 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 2:04 PM
Sunset: 9:42 PM
Daylight: 15 hrs 14 mins
Moonrise: 7:15 AM
Moon Transit: 6:30 PM
Moonset: 4:43 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:00 PM - 8:30 PM

Minor Periods

6:45 AM - 8:15 AM
4:13 AM - 5:43 AM

Action Rating: 4 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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