Water Temperature of Cook Inlet in Nikiski, AK

Current Water Temperature

50.4°F

Measurement Time: Wednesday, October 7, 2026, 1:18 PM AKDT

Today's Tides

 High: October 7, 2:45 AM, 19.5 ft
Low: October 7, 9:10 AM, 0.6 ft
 High: October 7, 3:26 PM, 21.1 ft
Low: October 7, 9:37 PM, 2.3 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

46.7°F
Patchy rain nearby
Conditions: Patchy rain nearby
Humidity: 83%
Feels Like: 43°F
Wind: SW 7.2 mph
Wind Gusts: 7.8 mph
Pressure: 30.02 in
Precipitation: 0 in
Cloud Cover: 83%
Visibility: 6 mi
UV Index: 0.6

Weather Forecast

Patchy rain nearby
Wed
H: 48°F
L: 46°F
Patchy rain nearby
Thu
H: 46°F
L: 43°F
Overcast
Fri
H: 46°F
L: 43°F
Light rain
Sat
H: 45°F
L: 43°F
Light drizzle
Sun
H: 44°F
L: 41°F

Air Quality

AQI: 1 - Good
PM2.5: 2.7 μg/m3
PM10: 3.9 μg/m3
Carbon Monoxide: 133 μg/m3
Nitrogen Dioxide: 6.7 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 61 μg/m3

Astronomical

Sunrise: 8:28 AM
Sun Transit: 1:53 PM
Sunset: 7:18 PM
Daylight: 10 hrs 50 mins
Moonrise: 4:25 AM
Moon Transit: 11:42 AM
Moonset: 6:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

3:08 PM - 5:38 PM
11:12 AM - 1:42 PM

Minor Periods

6:03 PM - 7:33 PM
3:55 AM - 5:25 AM

Action Rating: 3 out of 5

Wednesday, October 7, 2026

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 46.6°F
Average Humidity: 83%
Chance of Rain: 80%
Wind: 12.5 mph
UV Index: 0.7

Air Quality

AQI: 1 - Good
PM2.5: 1.58 μg/m3
PM10: 2.12 μg/m3
Carbon Monoxide: 153.83 μg/m3
Nitrogen Dioxide: 7.76 μg/m3
Sulphur Dioxide: 1.68 μg/m3
Ozone: 57.79 μg/m3

Astronomical

Sunrise: 8:28 AM
Sun Transit: 1:53 PM
Sunset: 7:18 PM
Daylight: 10 hrs 50 mins
Moonrise: 4:25 AM
Moon Transit: 11:42 AM
Moonset: 6:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

3:08 PM - 5:38 PM
11:12 AM - 1:42 PM

Minor Periods

6:03 PM - 7:33 PM
3:55 AM - 5:25 AM

Action Rating: 3 out of 5

Thursday, October 8, 2026

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 44.6°F
Average Humidity: 82%
Chance of Rain: 55%
Wind: 6.5 mph
UV Index: 1.1

Air Quality

AQI: 1 - Good
PM2.5: 1.85 μg/m3
PM10: 2.57 μg/m3
Carbon Monoxide: 137.67 μg/m3
Nitrogen Dioxide: 5.28 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 51.46 μg/m3

Astronomical

Sunrise: 8:30 AM
Sun Transit: 1:53 PM
Sunset: 7:15 PM
Daylight: 10 hrs 45 mins
Moonrise: 6:01 AM
Moon Transit: 12:28 AM
Moonset: 6:32 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

3:54 PM - 6:24 PM
11:58 AM - 2:28 PM

Minor Periods

6:02 PM - 7:32 PM
5:31 AM - 7:01 AM

Action Rating: 3 out of 5

Friday, October 9, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 44.7°F
Average Humidity: 76%
Chance of Rain: 78%
Wind: 12.1 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 1.92 μg/m3
PM10: 2.68 μg/m3
Carbon Monoxide: 166.08 μg/m3
Nitrogen Dioxide: 6.43 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 64.42 μg/m3

Astronomical

Sunrise: 8:33 AM
Sun Transit: 1:52 PM
Sunset: 7:12 PM
Daylight: 10 hrs 39 mins
Moonrise: 7:35 AM
Moon Transit: 1:12 PM
Moonset: 6:30 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

4:38 PM - 7:08 PM
12:42 AM - 3:12 PM

Minor Periods

6:00 PM - 7:30 PM
7:05 AM - 8:35 AM

Action Rating: 5 out of 5

Saturday, October 10, 2026

Weather Forecast

Conditions: Light rain
Average Temperature: 43.9°F
Average Humidity: 88%
Chance of Rain: 92%
Wind: 14.1 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 0.14 μg/m3
PM10: 0.15 μg/m3
Carbon Monoxide: 128.39 μg/m3
Nitrogen Dioxide: 2.33 μg/m3
Sulphur Dioxide: 0.44 μg/m3
Ozone: 79.13 μg/m3

Astronomical

Sunrise: 8:35 AM
Sun Transit: 1:52 PM
Sunset: 7:09 PM
Daylight: 10 hrs 34 mins
Moonrise: 9:08 AM
Moon Transit: 1:57 PM
Moonset: 6:29 PM
Moon Phase: New
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

5:23 PM - 7:53 PM
1:27 PM - 3:57 PM

Minor Periods

5:59 PM - 7:29 PM
8:38 AM - 10:08 AM

Action Rating: 5 out of 5

Sunday, October 11, 2026

Weather Forecast

Conditions: Light drizzle
Average Temperature: 41.9°F
Average Humidity: 90%
Chance of Rain: 93%
Wind: 12.5 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 0.14 μg/m3
PM10: 0.16 μg/m3
Carbon Monoxide: 152.8 μg/m3
Nitrogen Dioxide: 2.6 μg/m3
Sulphur Dioxide: 0.54 μg/m3
Ozone: 83 μg/m3

Astronomical

Sunrise: 8:38 AM
Sun Transit: 1:52 PM
Sunset: 7:06 PM
Daylight: 10 hrs 28 mins
Moonrise: 10:44 AM
Moon Transit: 2:43 PM
Moonset: 6:29 PM
Moon Phase: New
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

6:09 PM - 8:39 PM
2:13 PM - 4:43 PM

Minor Periods

5:59 PM - 7:29 PM
10:14 AM - 11:44 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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