Water Temperature of Cook Inlet in Nikiski, AK

Current Water Temperature

29.1°F

Measurement Time: Sunday, March 15, 2026, 7:30 PM AKDT

Today's Tides

 High: March 15, 3:45 AM, 17.8 ft
Low: March 15, 9:37 AM, 6.4 ft
 High: March 15, 3:29 PM, 17.9 ft
Low: March 15, 10:01 PM, 0.7 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

17.6°F
Sunny
Sunny
7.1°F
13.9°F
41%
NNE 8.3 mph
16 mph
2.5°F
8.8°F
0 in
0%
9 mi
1003 mbar
0.1

Five Day Weather Forecast

Cloudy
Sun
H: 15°F
L: 5°F
Overcast
Mon
H: 12°F
L: -5°F
Overcast
Tue
H: 8°F
L: -2°F
Overcast
Wed
H: 5°F
L: -5°F
Light snow
Thu
H: 11°F
L: 2°F

Air Quality

AQI: 1 - Good
PM2.5: 2.75 μg/m3
PM10: 3.35 μg/m3
Carbon Monoxide: 171.85 μg/m3
Nitrogen Dioxide: 1.25 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 88 μg/m3

Astronomical

Sunrise: 8:22 AM
Sun Transit: 12:00 AM
Sunset: 8:09 PM
Daylight: 11 hrs 47 mins
Moonrise: 8:11 AM
Moon Transit: 11:44 AM
Moonset: 3:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.6%

Best Times for Fishing or Hunting

Major Periods

3:10 PM - 5:40 PM
11:14 AM - 1:44 PM

Minor Periods

3:03 PM - 4:33 PM
7:41 AM - 9:11 AM

Action Rating: 2 out of 5

Wind Advisory issued March 15 at 12:37PM AKDT until March 17 at 10:00AM AKDT by NWS Anchorage AK

Effective: Sun March 15, 2026, 12:37 PM
Expires: Mon March 16, 2026, 6:00 AM

* WHAT...North winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Seward. * WHEN...From 7 PM this evening to 10 AM AKDT Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. * ADDITIONAL DETAILS...Northerly winds will increase this evening and remain strong and gusty through Tuesday morning. Winds will gradually begin to decrease during the day on Tuesday.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Sunday, March 15, 2026

Weather Forecast

Cloudy
14.7°F
5.4°F
10.9°F
79%
0 in
0%
0%
16.1 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 3.28 μg/m3
PM10: 4.29 μg/m3
Carbon Monoxide: 174.01 μg/m3
Nitrogen Dioxide: 1.45 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 89.96 μg/m3

Astronomical

Sunrise: 8:22 AM
Sun Transit: 12:00 AM
Sunset: 8:09 PM
Daylight: 11 hrs 47 mins
Moonrise: 8:11 AM
Moon Transit: 11:44 AM
Moonset: 3:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.6%

Best Times for Fishing or Hunting

Major Periods

3:10 PM - 5:40 PM
11:14 AM - 1:44 PM

Minor Periods

3:03 PM - 4:33 PM
7:41 AM - 9:11 AM

Action Rating: 2 out of 5

Monday, March 16, 2026

Weather Forecast

Overcast
11.9°F
-4.6°F
4.2°F
80%
0 in
0%
0%
16.8 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 2.44 μg/m3
PM10: 3.04 μg/m3
Carbon Monoxide: 169.37 μg/m3
Nitrogen Dioxide: 1.26 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 91 μg/m3

Astronomical

Sunrise: 8:19 AM
Sun Transit: 12:00 AM
Sunset: 8:11 PM
Daylight: 11 hrs 53 mins
Moonrise: 8:10 AM
Moon Transit: 12:31 AM
Moonset: 5:12 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.6%

Best Times for Fishing or Hunting

Major Periods

3:57 PM - 6:27 PM
12:01 AM - 2:31 PM

Minor Periods

4:42 PM - 6:12 PM
7:40 AM - 9:10 AM

Action Rating: 2 out of 5

Tuesday, March 17, 2026

Weather Forecast

Overcast
8°F
-1.6°F
3.4°F
76%
0 in
0%
0%
17 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 1.98 μg/m3
PM10: 2.5 μg/m3
Carbon Monoxide: 175.57 μg/m3
Nitrogen Dioxide: 1.19 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 89 μg/m3

Astronomical

Sunrise: 8:16 AM
Sun Transit: 12:00 AM
Sunset: 8:14 PM
Daylight: 11 hrs 58 mins
Moonrise: 8:08 AM
Moon Transit: 1:17 PM
Moonset: 6:50 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

4:44 PM - 7:14 PM
12:47 AM - 3:17 PM

Minor Periods

6:20 PM - 7:50 PM
7:38 AM - 9:08 AM

Action Rating: 4 out of 5

Wednesday, March 18, 2026

Weather Forecast

Overcast
5.1°F
-5.4°F
0.4°F
85%
0 in
0%
0%
15 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 2.02 μg/m3
PM10: 2.4 μg/m3
Carbon Monoxide: 174.32 μg/m3
Nitrogen Dioxide: 1.33 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 87.88 μg/m3

Astronomical

Sunrise: 8:12 AM
Sun Transit: 12:00 AM
Sunset: 8:16 PM
Daylight: 12 hrs 4 mins
Moonrise: 8:06 AM
Moon Transit: 9:31 PM
Moonset: 8:29 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

9:01 PM - 11:31 PM
9:01 PM - 11:31 PM

Minor Periods

7:59 PM - 9:29 PM
7:36 AM - 9:06 AM

Action Rating: 4 out of 5

Thursday, March 19, 2026

Weather Forecast

Light snow
11.4°F
1.7°F
6.5°F
87%
0.02 in
69%
34%
12.5 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 1.87 μg/m3
PM10: 2.14 μg/m3
Carbon Monoxide: 178.81 μg/m3
Nitrogen Dioxide: 1.37 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 93.23 μg/m3

Astronomical

Sunrise: 8:09 AM
Sun Transit: 12:00 AM
Sunset: 8:19 PM
Daylight: 12 hrs 10 mins
Moonrise: 8:03 AM
Moon Transit: 12:00 AM
Moonset: 10:10 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

9:40 PM - 11:10 PM
7:33 AM - 9:03 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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