Water Temperature of Cook Inlet in Nikiski, AK

Current Water Temperature

43.7°F

Measurement Time: Friday, May 16, 2025, 3:00 PM AKDT

Today's Tides

 Low: May 16, 1:37 AM, 6.20 ft
High: May 16, 6:51 AM, 19.46 ft
 Low: May 16, 2:11 PM, -0.56 ft
High: May 16, 8:43 PM, 18.07 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

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Cook Inlet

Station Name: Nikiski
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 0 feet / 0 meters

Sensor Depth: -2.0 feet / -0.6 meters

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

51.8°F
Overcast
Conditions: Overcast
Humidity: 58%
Feels Like: 50.4°F
Wind: W 4.9 mph
Wind Gusts: 7.3 mph
Pressure: 29.64 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 4

Five Day Weather Forecast

Cloudy
Fri
H: 48°F
L: 44°F
Patchy rain nearby
Sat
H: 48°F
L: 44°F
Patchy rain nearby
Sun
H: 48°F
L: 44°F
Partly Cloudy
Mon
H: 48°F
L: 41°F
Patchy rain nearby
Tue
H: 49°F
L: 43°F

Air Quality

AQI: 1 - Good
PM2.5: 3.52 μg/m3
PM10: 3.7 μg/m3
Carbon Monoxide: 277.5 μg/m3
Nitrogen Dioxide: 5.55 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 68 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 2:02 PM
Sunset: 10:47 PM
Daylight: 17 hrs 28 mins
Moonrise: 3:57 AM
Moon Transit: 5:07 AM
Moonset: 6:21 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

4:37 AM - 7:07 AM
8:34 AM - 11:04 AM

Minor Periods

5:51 AM - 7:21 AM
3:27 AM - 4:57 AM

Action Rating: 3 out of 5

Friday, May 16, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 46.3°F
Average Humidity: 78%
Chance of Rain: 0%
Wind: 8.7 mph
UV Index: 1.3

Air Quality

AQI: 1 - Good
PM2.5: 1.89 μg/m3
PM10: 2.01 μg/m3
Carbon Monoxide: 287.56 μg/m3
Nitrogen Dioxide: 6.5 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 66.76 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 2:02 PM
Sunset: 10:47 PM
Daylight: 17 hrs 28 mins
Moonrise: 3:57 AM
Moon Transit: 5:07 AM
Moonset: 6:21 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

4:37 AM - 7:07 AM
8:34 AM - 11:04 AM

Minor Periods

5:51 AM - 7:21 AM
3:27 AM - 4:57 AM

Action Rating: 3 out of 5

Saturday, May 17, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 46.2°F
Average Humidity: 78%
Chance of Rain: 88%
Wind: 8.9 mph
UV Index: 1.1

Air Quality

AQI: 1 - Good
PM2.5: 3.47 μg/m3
PM10: 3.71 μg/m3
Carbon Monoxide: 285.64 μg/m3
Nitrogen Dioxide: 5.8 μg/m3
Sulphur Dioxide: 1.77 μg/m3
Ozone: 62.96 μg/m3

Astronomical

Sunrise: 5:16 AM
Sun Transit: 2:02 PM
Sunset: 10:49 PM
Daylight: 17 hrs 33 mins
Moonrise: 4:07 AM
Moon Transit: 6:00 AM
Moonset: 8:03 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

5:30 AM - 8:00 AM
9:28 AM - 11:58 AM

Minor Periods

7:33 AM - 9:03 AM
3:37 AM - 5:07 AM

Action Rating: 4 out of 5

Sunday, May 18, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 45.2°F
Average Humidity: 85%
Chance of Rain: 88%
Wind: 14.5 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 5 μg/m3
PM10: 5.97 μg/m3
Carbon Monoxide: 270.69 μg/m3
Nitrogen Dioxide: 8.72 μg/m3
Sulphur Dioxide: 2.68 μg/m3
Ozone: 53.76 μg/m3

Astronomical

Sunrise: 5:14 AM
Sun Transit: 2:02 PM
Sunset: 10:52 PM
Daylight: 17 hrs 38 mins
Moonrise: 4:09 AM
Moon Transit: 6:52 AM
Moonset: 9:49 AM
Moon Phase: Last Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

6:22 AM - 8:52 AM
10:19 AM - 12:49 AM

Minor Periods

9:19 AM - 10:49 AM
3:39 AM - 5:09 AM

Action Rating: 3 out of 5

Monday, May 19, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 45.1°F
Average Humidity: 80%
Chance of Rain: 0%
Wind: 15.4 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 6.52 μg/m3
PM10: 7.67 μg/m3
Carbon Monoxide: 287.86 μg/m3
Nitrogen Dioxide: 9.16 μg/m3
Sulphur Dioxide: 2.64 μg/m3
Ozone: 61.16 μg/m3

Astronomical

Sunrise: 5:12 AM
Sun Transit: 2:02 PM
Sunset: 10:54 PM
Daylight: 17 hrs 42 mins
Moonrise: 4:08 AM
Moon Transit: 7:42 AM
Moonset: 11:33 AM
Moon Phase: Last Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

7:12 AM - 9:42 AM
11:09 AM - 1:39 PM

Minor Periods

11:03 AM - 12:33 AM
3:38 AM - 5:08 AM

Action Rating: 3 out of 5

Tuesday, May 20, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 46.7°F
Average Humidity: 75%
Chance of Rain: 88%
Wind: 11.2 mph
UV Index: 2

Air Quality

AQI: 1 - Good
PM2.5: 7.44 μg/m3
PM10: 9.53 μg/m3
Carbon Monoxide: 279.49 μg/m3
Nitrogen Dioxide: 6.25 μg/m3
Sulphur Dioxide: 2.49 μg/m3
Ozone: 60.38 μg/m3

Astronomical

Sunrise: 5:10 AM
Sun Transit: 2:02 PM
Sunset: 10:56 PM
Daylight: 17 hrs 47 mins
Moonrise: 4:06 AM
Moon Transit: 8:30 AM
Moonset: 1:15 PM
Moon Phase: Last Quarter
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

8:00 AM - 10:30 AM
11:57 AM - 2:27 PM

Minor Periods

12:45 AM - 2:15 PM
3:36 AM - 5:06 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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