Water Temperature of Cook Inlet in Nikiski, AK

Current Water Temperature

29.3°F

Measurement Time: Saturday, February 28, 2026, 1:12 AM AKST

Today's Tides

 High: February 28, 2:40 AM, 18.6 ft
Low: February 28, 8:30 AM, 5.8 ft
 High: February 28, 2:20 PM, 19.8 ft
Low: February 28, 9:03 PM, -1.4 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

-14.6°F
Freezing fog
Freezing fog
-30.6°F
-14.6°F
100%
ENE 6.9 mph
14.6 mph
-30.6°F
-14.6°F
0 in
0%
0 mi
1026 mbar
0

Five Day Weather Forecast

Freezing fog
Sat
H: -0°F
L: -20°F
Partly Cloudy
Sun
H: 3°F
L: -15°F
Freezing fog
Mon
H: 3°F
L: -19°F
Partly Cloudy
Tue
H: 7°F
L: -13°F
Freezing fog
Wed
H: 9°F
L: -15°F

Air Quality

AQI: 1 - Good
PM2.5: 2.75 μg/m3
PM10: 3.25 μg/m3
Carbon Monoxide: 151.85 μg/m3
Nitrogen Dioxide: 2.35 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 81 μg/m3

Astronomical

Sunrise: 8:07 AM
Sun Transit: 1:18 PM
Sunset: 6:30 PM
Daylight: 10 hrs 23 mins
Moonrise: 2:32 PM
Moon Transit: 11:37 PM
Moonset: 8:05 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.1%

Best Times for Fishing or Hunting

Major Periods

2:11 AM - 4:41 AM
12:00 AM - 12:00 AM

Minor Periods

2:02 PM - 3:32 PM
7:35 AM - 9:05 AM

Action Rating: 2 out of 5

Cold Weather Advisory issued February 27 at 8:47PM AKST until February 28 at 10:00AM AKST by NWS Anchorage AK

Effective: Fri February 27, 2026, 8:47 PM
Expires: Sat February 28, 2026, 10:00 AM

* WHAT...For Seward and the Kachemak Bay region, very cold wind chills as low as 10 below zero. For the Western Kenai Peninsula, from Ninilchik to Sterling, very cold wind chills as low as 30 below zero. * WHERE...Western Kenai Peninsula, and Southern Kenai Mtns. * WHEN...Until 10 AM AKST Saturday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...Overnight low temperatures will again fall to around 10 and 30 below zero across the Southern and Western Kenai Peninsula, respectively. For areas from Homer to Seward, expect wind chill values overnight to as low 10 below. For areas from Ninilchik to Sterling, expect wind chill values and or overnight temperatures to fall as low as 25 to 30 below zero.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Saturday, February 28, 2026

Weather Forecast

Freezing fog
-0.3°F
-19.8°F
-11.2°F
96%
0 in
0%
3%
8.1 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.29 μg/m3
PM10: 2.86 μg/m3
Carbon Monoxide: 151.25 μg/m3
Nitrogen Dioxide: 2.06 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 84.48 μg/m3

Astronomical

Sunrise: 8:07 AM
Sun Transit: 1:18 PM
Sunset: 6:30 PM
Daylight: 10 hrs 23 mins
Moonrise: 2:32 PM
Moon Transit: 11:37 PM
Moonset: 8:05 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.1%

Best Times for Fishing or Hunting

Major Periods

2:11 AM - 4:41 AM
12:00 AM - 12:00 AM

Minor Periods

2:02 PM - 3:32 PM
7:35 AM - 9:05 AM

Action Rating: 2 out of 5

Sunday, March 1, 2026

Weather Forecast

Partly Cloudy
2.8°F
-15.2°F
-8.4°F
96%
0 in
0%
6%
8.5 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.96 μg/m3
PM10: 2.43 μg/m3
Carbon Monoxide: 154.57 μg/m3
Nitrogen Dioxide: 1.93 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 87.92 μg/m3

Astronomical

Sunrise: 8:04 AM
Sun Transit: 1:17 PM
Sunset: 6:33 PM
Daylight: 10 hrs 29 mins
Moonrise: 4:20 PM
Moon Transit: 12:00 AM
Moonset: 8:05 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:04 AM - 5:34 AM

Minor Periods

3:50 PM - 5:20 PM
7:35 AM - 9:05 AM

Action Rating: 3 out of 5

Monday, March 2, 2026

Weather Forecast

Freezing fog
3°F
-19°F
-8.2°F
94%
0 in
0%
12%
7.8 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.46 μg/m3
PM10: 2.85 μg/m3
Carbon Monoxide: 160.93 μg/m3
Nitrogen Dioxide: 3.11 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 82.84 μg/m3

Astronomical

Sunrise: 8:01 AM
Sun Transit: 1:17 PM
Sunset: 6:36 PM
Daylight: 10 hrs 34 mins
Moonrise: 6:00 PM
Moon Transit: 12:27 AM
Moonset: 8:03 AM
Moon Phase: Full
Moon Illumination: 99.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:54 AM - 6:24 AM

Minor Periods

5:30 PM - 7:00 PM
7:33 AM - 9:03 AM

Action Rating: 5 out of 5

Tuesday, March 3, 2026

Weather Forecast

Partly Cloudy
6.5°F
-13.2°F
-4.7°F
93%
0 in
0%
9%
7.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.27 μg/m3
PM10: 2.8 μg/m3
Carbon Monoxide: 160.62 μg/m3
Nitrogen Dioxide: 3.1 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 84.76 μg/m3

Astronomical

Sunrise: 7:58 AM
Sun Transit: 1:17 PM
Sunset: 6:38 PM
Daylight: 10 hrs 40 mins
Moonrise: 7:34 PM
Moon Transit: 1:14 AM
Moonset: 8:01 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:44 AM - 3:14 AM
4:40 AM - 7:10 AM

Minor Periods

7:04 PM - 8:34 PM
7:31 AM - 9:01 AM

Action Rating: 5 out of 5

Wednesday, March 4, 2026

Weather Forecast

Freezing fog
9.4°F
-14.9°F
-5°F
94%
0 in
0%
21%
9.6 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 2.16 μg/m3
PM10: 3.05 μg/m3
Carbon Monoxide: 164.88 μg/m3
Nitrogen Dioxide: 3.74 μg/m3
Sulphur Dioxide: 2.17 μg/m3
Ozone: 91.54 μg/m3

Astronomical

Sunrise: 7:55 AM
Sun Transit: 1:17 PM
Sunset: 6:41 PM
Daylight: 10 hrs 46 mins
Moonrise: 9:06 PM
Moon Transit: 1:58 AM
Moonset: 7:59 AM
Moon Phase: Full
Moon Illumination: 98.2%

Best Times for Fishing or Hunting

Major Periods

1:28 AM - 3:58 AM
5:24 AM - 7:54 AM

Minor Periods

8:36 PM - 10:06 PM
7:29 AM - 8:59 AM

Action Rating: 5 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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