Water Temperature of Cook Inlet in Nikiski, AK

Current Water Temperature

29.1°F

Measurement Time: Sunday, February 15, 2026, 7:06 AM AKST

Today's Tides

 High: February 15, 3:54 AM, 19.0 ft
Low: February 15, 9:42 AM, 5.7 ft
 High: February 15, 3:28 PM, 19.6 ft
Low: February 15, 10:09 PM, -1.1 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

12.7°F
Partly Cloudy
Partly Cloudy
2.5°F
19.6°F
100%
S 6.7 mph
11.2 mph
10.7°F
17.9°F
0 in
0%
9 mi
1027 mbar
0

Five Day Weather Forecast

Mist
Sun
H: 20°F
L: 7°F
Partly Cloudy
Mon
H: 10°F
L: 3°F
Patchy moderate snow
Tue
H: 12°F
L: 2°F
Sunny
Wed
H: 15°F
L: 5°F
Light freezing rain
Thu
H: 11°F
L: 3°F

Air Quality

AQI: 1 - Good
PM2.5: 1.65 μg/m3
PM10: 1.95 μg/m3
Carbon Monoxide: 155.85 μg/m3
Nitrogen Dioxide: 1.85 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 86 μg/m3

Astronomical

Sunrise: 8:45 AM
Sun Transit: 1:19 PM
Sunset: 5:55 PM
Daylight: 9 hrs 10 mins
Moonrise: 9:00 AM
Moon Transit: 12:05 AM
Moonset: 3:25 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

3:32 PM - 6:02 PM
11:35 AM - 2:05 PM

Minor Periods

2:55 PM - 4:25 PM
8:30 AM - 10:00 AM

Action Rating: 4 out of 5

Dense Fog Advisory issued February 15 at 12:59AM AKST until February 15 at 9:00AM AKST by NWS Anchorage AK

Effective: Sun February 15, 2026, 12:59 AM
Expires: Sun February 15, 2026, 9:00 AM

* WHAT...Visibility as low as one-quarter mile in dense fog. * WHERE...Anchorage, Central Susitna Valley, Lower Matanuska Valley, and NW Kenai Peninsula. * WHEN...Until 9 AM AKST this morning. * IMPACTS...Hazardous driving conditions due to low visibility. Below freezing temperatures may lead to frost on bridges and roadways. * ADDITIONAL DETAILS...Areas of fog have developed over northwest Kenai Peninsula and northern Cook Inlet and along the Knik Arm, and are expanding over the Palmer Hay Flats and Anchorage Bowl. Another area of fog is lingering near Talkeetna and the Parks Highway. These areas of fog have been somewhat transient, but are now expanding in coverage with visibilities dropping below a half mile at times. The fog is expected to dissipate by mid to late morning.

A dense fog advisory means visibilities will frequently be reduced to one quarter mile or less. If driving, slow down, use your headlights, and leave plenty of distance ahead of you. Also, be alert for frost on bridge decks and roadways causing slippery conditions.
Sunday, February 15, 2026

Weather Forecast

Mist
20.3°F
6.7°F
15.9°F
96%
0 in
0%
10%
6.7 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 2.49 μg/m3
PM10: 3.1 μg/m3
Carbon Monoxide: 163.33 μg/m3
Nitrogen Dioxide: 3.38 μg/m3
Sulphur Dioxide: 1.86 μg/m3
Ozone: 79.04 μg/m3

Astronomical

Sunrise: 8:45 AM
Sun Transit: 1:19 PM
Sunset: 5:55 PM
Daylight: 9 hrs 10 mins
Moonrise: 9:00 AM
Moon Transit: 12:05 AM
Moonset: 3:25 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

3:32 PM - 6:02 PM
11:35 AM - 2:05 PM

Minor Periods

2:55 PM - 4:25 PM
8:30 AM - 10:00 AM

Action Rating: 4 out of 5

Monday, February 16, 2026

Weather Forecast

Partly Cloudy
10.1°F
2.7°F
6.1°F
96%
0 in
0%
14%
10.1 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 1.61 μg/m3
PM10: 1.92 μg/m3
Carbon Monoxide: 151.65 μg/m3
Nitrogen Dioxide: 1.71 μg/m3
Sulphur Dioxide: 1.48 μg/m3
Ozone: 86 μg/m3

Astronomical

Sunrise: 8:43 AM
Sun Transit: 1:19 PM
Sunset: 5:58 PM
Daylight: 9 hrs 15 mins
Moonrise: 8:59 AM
Moon Transit: 12:54 AM
Moonset: 5:06 PM
Moon Phase: New
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

4:20 PM - 6:50 PM
12:24 AM - 2:54 PM

Minor Periods

4:36 PM - 6:06 PM
8:29 AM - 9:59 AM

Action Rating: 5 out of 5

Tuesday, February 17, 2026

Weather Forecast

Patchy moderate snow
11.8°F
1.7°F
7.5°F
90%
0.03 in
86%
16%
7.6 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 1.89 μg/m3
PM10: 2.23 μg/m3
Carbon Monoxide: 151.45 μg/m3
Nitrogen Dioxide: 2.62 μg/m3
Sulphur Dioxide: 1.82 μg/m3
Ozone: 85.16 μg/m3

Astronomical

Sunrise: 8:40 AM
Sun Transit: 1:19 PM
Sunset: 6:01 PM
Daylight: 9 hrs 21 mins
Moonrise: 8:57 AM
Moon Transit: 1:40 PM
Moonset: 6:44 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

5:06 PM - 7:36 PM
1:10 PM - 3:40 PM

Minor Periods

6:14 PM - 7:44 PM
8:27 AM - 9:57 AM

Action Rating: 5 out of 5

Wednesday, February 18, 2026

Weather Forecast

Sunny
14.8°F
4.8°F
8.3°F
93%
0 in
0%
0%
9.8 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 2.66 μg/m3
PM10: 3.14 μg/m3
Carbon Monoxide: 155.57 μg/m3
Nitrogen Dioxide: 3.78 μg/m3
Sulphur Dioxide: 2.03 μg/m3
Ozone: 88.44 μg/m3

Astronomical

Sunrise: 8:37 AM
Sun Transit: 1:19 PM
Sunset: 6:03 PM
Daylight: 9 hrs 27 mins
Moonrise: 8:55 AM
Moon Transit: 2:26 PM
Moonset: 8:21 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:56 PM - 4:26 PM

Minor Periods

7:51 PM - 9:21 PM
8:25 AM - 9:55 AM

Action Rating: 4 out of 5

Thursday, February 19, 2026

Weather Forecast

Light freezing rain
11.3°F
3.1°F
6.9°F
97%
0.01 in
89%
26%
6.7 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.33 μg/m3
PM10: 2.7 μg/m3
Carbon Monoxide: 157.6 μg/m3
Nitrogen Dioxide: 3.35 μg/m3
Sulphur Dioxide: 1.63 μg/m3
Ozone: 86.92 μg/m3

Astronomical

Sunrise: 8:34 AM
Sun Transit: 1:19 PM
Sunset: 6:06 PM
Daylight: 9 hrs 32 mins
Moonrise: 8:52 AM
Moon Transit: 12:07 AM
Moonset: 9:58 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

11:37 AM - 2:07 PM
11:37 AM - 2:07 PM

Minor Periods

9:28 PM - 10:58 PM
8:22 AM - 9:52 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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