Water Temperature of Cook Inlet in Nikiski, AK

Current Water Temperature

44.2°F

Measurement Time: Wednesday, November 4, 2026, 4:30 PM AKST

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

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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°F
Cloudy
Conditions: Cloudy
Humidity: 66%
Feels Like: 38.2°F
Wind: NE 20.8 mph
Wind Gusts: 23.8 mph
Pressure: 29.16 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 10 mi
UV Index: 0

Weather Forecast

Overcast
Wed
H: 44°F
L: 40°F
Overcast
Thu
H: 41°F
L: 37°F
Overcast
Fri
H: 37°F
L: 32°F

Air Quality

AQI: 1 - Good
PM2.5: 0.7 μg/m3
PM10: 0.8 μg/m3
Carbon Monoxide: 126 μg/m3
Nitrogen Dioxide: 7.6 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 62 μg/m3

Astronomical

Sunrise: 8:40 AM
Sun Transit: 12:49 AM
Sunset: 4:58 PM
Daylight: 8 hrs 18 mins
Moonrise: 2:44 AM
Moon Transit: 9:25 AM
Moonset: 3:43 PM
Moon Phase: Last Quarter
Moon Illumination: 18.5%

Best Times for Fishing or Hunting

Major Periods

8:55 AM - 11:25 AM
12:51 AM - 3:21 PM

Minor Periods

3:13 PM - 4:43 PM
2:14 AM - 3:44 AM

Action Rating: 4 out of 5

Small Craft Advisory issued November 4 at 7:09AM AKST until November 4 at 5:00PM AKST by NWS Anchorage AK

Effective: Wed November 4, 2026, 7:09 AM
Expires: Wed November 4, 2026, 7:15 PM

Coastal waters forecast for the Northern Gulf of Alaska Coast up to 100 nm out including Kodiak Island and Cook Inlet. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height. .TODAY...NE wind 30 kt diminishing to 15 kt in the afternoon. Seas 7 ft subsiding to 3 ft in the afternoon. Rain. .TONIGHT...NE wind 15 kt. Seas 4 ft. .THU...NE wind 15 kt. Seas 3 ft. .THU NIGHT...NE wind 15 kt. Seas 3 ft. .FRI THROUGH SAT...NE wind 10 kt. Seas 3 ft. .SUN...NE wind 20 kt. Seas 5 ft.


Small Craft Advisory issued November 4 at 10:54AM AKST until November 4 at 5:00PM AKST by NWS Anchorage AK

Effective: Wed November 4, 2026, 10:54 AM
Expires: Wed November 4, 2026, 11:15 PM

Coastal Waters Forecast for the Northern Gulf of Alaska Coast up to 100 nm out including Kodiak Island and Cook Inlet. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height. .TODAY...NE wind 30 kt diminishing to 15 kt in the afternoon. Seas 7 ft subsiding to 3 ft in the afternoon. Rain. .TONIGHT...NE wind 20 kt. Seas 4 ft. .THU...NE wind 20 kt. Seas 4 ft. .THU NIGHT...W wind 10 kt. Seas 3 ft. .FRI THROUGH SAT...NE wind 10 kt. Seas 2 ft. .SUN...NE wind 20 kt. Seas 5 ft.


Small Craft Advisory issued November 4 at 7:26AM AKST until November 4 at 5:00PM AKST by NWS Anchorage AK

Effective: Wed November 4, 2026, 7:26 AM
Expires: Wed November 4, 2026, 7:30 PM

Coastal waters forecast for the Northern Gulf of Alaska Coast up to 100 nm out including Kodiak Island and Cook Inlet. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height. .TODAY...NE wind 30 kt diminishing to 15 kt in the afternoon. Seas 7 ft subsiding to 3 ft in the afternoon. Rain. .TONIGHT...NE wind 15 kt. Seas 4 ft. .THU...NE wind 15 kt. Seas 3 ft. .THU NIGHT...NE wind 15 kt. Seas 3 ft. .FRI THROUGH SAT...NE wind 10 kt. Seas 3 ft. .SUN...NE wind 20 kt. Seas 5 ft.


Wednesday, November 4, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 41.6°F
Average Humidity: 77%
Chance of Rain: 67%
Wind: 31.8 mph
UV Index: 0.3

Astronomical

Sunrise: 8:40 AM
Sun Transit: 12:49 AM
Sunset: 4:58 PM
Daylight: 8 hrs 18 mins
Moonrise: 2:44 AM
Moon Transit: 9:25 AM
Moonset: 3:43 PM
Moon Phase: Last Quarter
Moon Illumination: 18.5%

Best Times for Fishing or Hunting

Major Periods

8:55 AM - 11:25 AM
12:51 AM - 3:21 PM

Minor Periods

3:13 PM - 4:43 PM
2:14 AM - 3:44 AM

Action Rating: 4 out of 5

Thursday, November 5, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 38.6°F
Average Humidity: 74%
Chance of Rain: 16%
Wind: 17.2 mph
UV Index: 0.3

Astronomical

Sunrise: 8:43 AM
Sun Transit: 12:49 AM
Sunset: 4:55 PM
Daylight: 8 hrs 12 mins
Moonrise: 4:16 AM
Moon Transit: 10:09 AM
Moonset: 3:42 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.6%

Best Times for Fishing or Hunting

Major Periods

1:35 PM - 4:05 PM
9:39 AM - 12:09 AM

Minor Periods

3:12 PM - 4:42 PM
3:46 AM - 5:16 AM

Action Rating: 3 out of 5

Friday, November 6, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 35.3°F
Average Humidity: 75%
Chance of Rain: 21%
Wind: 8.7 mph
UV Index: 0.3

Astronomical

Sunrise: 8:45 AM
Sun Transit: 12:49 AM
Sunset: 4:53 PM
Daylight: 8 hrs 7 mins
Moonrise: 5:47 AM
Moon Transit: 10:53 AM
Moonset: 3:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.7%

Best Times for Fishing or Hunting

Major Periods

2:19 PM - 4:49 PM
10:23 AM - 12:53 AM

Minor Periods

3:11 PM - 4:41 PM
5:17 AM - 6:47 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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