Water Temperature of Cook Inlet in Nikiski, AK

Current Water Temperature

29.3°F

Measurement Time: Thursday, March 12, 2026, 7:00 PM AKDT

Today's Tides

 High: March 12, 12:53 AM, 14.4 ft
Low: March 12, 6:17 AM, 10.8 ft
 High: March 12, 12:13 PM, 14.6 ft
Low: March 12, 7:33 PM, 4.8 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

16.3°F
Sunny
Sunny
9.3°F
6.8°F
31%
NNE 4.5 mph
9.2 mph
-1.9°F
3.8°F
0 in
0%
9 mi
1021 mbar
0.1

Five Day Weather Forecast

Sunny
Thu
H: 9°F
L: -9°F
Freezing fog
Fri
H: 10°F
L: -11°F
Overcast
Sat
H: 17°F
L: -5°F
Sunny
Sun
H: 10°F
L: -4°F
Partly Cloudy
Mon
H: 10°F
L: -3°F

Air Quality

AQI: 1 - Good
PM2.5: 3.15 μg/m3
PM10: 3.55 μg/m3
Carbon Monoxide: 168.85 μg/m3
Nitrogen Dioxide: 3.25 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 90 μg/m3

Astronomical

Sunrise: 8:31 AM
Sun Transit: 12:00 AM
Sunset: 8:01 PM
Daylight: 11 hrs 30 mins
Moonrise: 8:00 AM
Moon Transit: 9:13 AM
Moonset: 10:31 AM
Moon Phase: Last Quarter
Moon Illumination: 25.6%

Best Times for Fishing or Hunting

Major Periods

8:43 AM - 11:13 AM
12:40 AM - 3:10 PM

Minor Periods

10:01 AM - 11:31 AM
7:30 AM - 9:00 AM

Action Rating: 4 out of 5

Cold Weather Advisory issued March 11 at 3:27PM AKDT until March 12 at 1:00PM AKDT by NWS Anchorage AK

Effective: Wed March 11, 2026, 3:27 PM
Expires: Thu March 12, 2026, 1:00 PM

* WHAT...Very cold wind chills as low as 10 to 15 below expected. * WHERE...Southern Kenai Peninsula and Prince William Sound, including the communities of Homer, Seldovia, Seward, Whittier, and Valdez. * WHEN...Until 1 PM AKDT Thursday. * IMPACTS...The dangerously cold wind chills as low as 15 below zero could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...Strong wind gusts as high as 35-45 mph for Seward, Whittier, and Valdez will slowly diminish through Thursday afternoon. Winds near Homer will be weaker tonight, but still strong enough to push wind chills down to as low as 15 below zero. Wind chill values will warm above zero as winds weaken by Thursday afternoon.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Thursday, March 12, 2026

Weather Forecast

Sunny
9°F
-9.2°F
0°F
92%
0 in
0%
0%
6.5 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 2.54 μg/m3
PM10: 3.04 μg/m3
Carbon Monoxide: 167.29 μg/m3
Nitrogen Dioxide: 2.25 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 88.2 μg/m3

Astronomical

Sunrise: 8:31 AM
Sun Transit: 12:00 AM
Sunset: 8:01 PM
Daylight: 11 hrs 30 mins
Moonrise: 8:00 AM
Moon Transit: 9:13 AM
Moonset: 10:31 AM
Moon Phase: Last Quarter
Moon Illumination: 25.6%

Best Times for Fishing or Hunting

Major Periods

8:43 AM - 11:13 AM
12:40 AM - 3:10 PM

Minor Periods

10:01 AM - 11:31 AM
7:30 AM - 9:00 AM

Action Rating: 4 out of 5

Friday, March 13, 2026

Weather Forecast

Freezing fog
9.9°F
-11°F
-0.9°F
94%
0 in
0%
26%
6.9 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 3.04 μg/m3
PM10: 3.47 μg/m3
Carbon Monoxide: 173.81 μg/m3
Nitrogen Dioxide: 3.43 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 90.48 μg/m3

Astronomical

Sunrise: 8:28 AM
Sun Transit: 12:00 AM
Sunset: 8:04 PM
Daylight: 11 hrs 36 mins
Moonrise: 8:10 AM
Moon Transit: 10:05 AM
Moonset: 12:09 AM
Moon Phase: Waning Crescent
Moon Illumination: 16.4%

Best Times for Fishing or Hunting

Major Periods

1:32 PM - 4:02 PM
9:35 AM - 12:05 AM

Minor Periods

11:39 AM - 1:09 PM
7:40 AM - 9:10 AM

Action Rating: 2 out of 5

Saturday, March 14, 2026

Weather Forecast

Overcast
17.4°F
-5.3°F
6.1°F
90%
0 in
0%
22%
8.3 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 2.75 μg/m3
PM10: 3.21 μg/m3
Carbon Monoxide: 165.97 μg/m3
Nitrogen Dioxide: 3.05 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 91.88 μg/m3

Astronomical

Sunrise: 8:25 AM
Sun Transit: 12:00 AM
Sunset: 8:06 PM
Daylight: 11 hrs 41 mins
Moonrise: 8:12 AM
Moon Transit: 10:55 AM
Moonset: 1:51 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.9%

Best Times for Fishing or Hunting

Major Periods

2:22 PM - 4:52 PM
10:25 AM - 12:55 AM

Minor Periods

1:21 PM - 2:51 PM
7:42 AM - 9:12 AM

Action Rating: 2 out of 5

Sunday, March 15, 2026

Weather Forecast

Sunny
9.8°F
-4°F
6.7°F
87%
0 in
0%
0%
13 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 1.71 μg/m3
PM10: 2.13 μg/m3
Carbon Monoxide: 179 μg/m3
Nitrogen Dioxide: 1.66 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 89.32 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

Partly Cloudy
9.6°F
-3.3°F
3.4°F
80%
0 in
0%
0%
14.8 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 1.64 μg/m3
PM10: 2.1 μg/m3
Carbon Monoxide: 170.41 μg/m3
Nitrogen Dioxide: 1.44 μg/m3
Sulphur Dioxide: 1.15 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

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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