Water Temperature of Cook Inlet in Nikiski, AK

Current Water Temperature

29.1°F

Measurement Time: Thursday, March 5, 2026, 4:12 PM AKST

Today's Tides

 High: March 5, 5:38 AM, 22.7 ft
Low: March 5, 12:02 PM, -1.0 ft
 High: March 5, 5:55 PM, 21.6 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

18.1°F
Overcast
Overcast
7.2°F
15°F
62%
NE 8.9 mph
13.4 mph
3.4°F
8.9°F
0 in
100%
9 mi
1005 mbar
1

Five Day Weather Forecast

Overcast
Thu
H: 15°F
L: -4°F
Blowing snow
Fri
H: 28°F
L: 16°F
Patchy moderate snow
Sat
H: 24°F
L: 17°F
Cloudy
Sun
H: 14°F
L: 2°F
Partly Cloudy
Mon
H: 6°F
L: -4°F

Air Quality

AQI: 1 - Good
PM2.5: 3.65 μg/m3
PM10: 5.85 μg/m3
Carbon Monoxide: 170.85 μg/m3
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 102 μg/m3

Astronomical

Sunrise: 7:52 AM
Sun Transit: 1:16 PM
Sunset: 6:43 PM
Daylight: 10 hrs 51 mins
Moonrise: 10:37 PM
Moon Transit: 2:41 AM
Moonset: 7:57 AM
Moon Phase: Full
Moon Illumination: 94.0%

Best Times for Fishing or Hunting

Major Periods

2:11 AM - 4:41 AM
6:06 AM - 8:36 AM

Minor Periods

10:07 PM - 11:37 PM
7:27 AM - 8:57 AM

Action Rating: 4 out of 5

Winter Weather Advisory issued March 5 at 5:09AM AKST until March 6 at 11:00AM AKST by NWS Anchorage AK

Effective: Thu March 5, 2026, 5:09 AM
Expires: Thu March 5, 2026, 5:00 PM

* WHAT...Snow and blowing snow expected. Total snow accumulations between 3 and 7 inches. Winds gusting as high as 45 mph. Visibility as low as one half mile at times. * WHERE...Southern Kachemak Bay, including Seldovia. * WHEN...From 9 PM this evening to 11 AM AKST Friday. * IMPACTS...Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...The snow is expected to mix with and change to rain around noon Friday. Additional snow showers and gusty winds may redevelop by Friday evening and continue into Saturday.

Slow down and use caution while traveling. For the latest road conditions call 5 1 1 or visit 511.alaska.gov.


Winter Storm Warning issued March 5 at 5:09AM AKST until March 6 at 9:00PM AKST by NWS Anchorage AK

Effective: Thu March 5, 2026, 5:09 AM
Expires: Thu March 5, 2026, 5:00 PM

* WHAT...Heavy snow and blowing snow expected. Total snow accumulations between 5 and 10 inches, highest amounts from Ninilchik to Nikiski. Winds gusting as high as 40 mph. Visibility as low as one half mile or less at times. * WHERE...Western Kenai Peninsula. * WHEN...From 11 PM this evening to 9 PM AKST Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the Friday morning and evening commutes. * ADDITIONAL DETAILS...A strong storm system will track either into Cook Inlet or Western Prince William Sound. The duration of snow and magnitude of the winds will be determined by the exact storm track. There will likely be a period of less snow and wind Friday afternoon and evening; however, additional snow showers and a shift in the wind from north to south is expected by Friday night. Snow and gusty winds may linger into Saturday for communities along Kachemak Bay.

A Winter Storm Warning for snow means severe winter weather conditions will make travel very hazardous. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. For the latest road conditions call 5 1 1 or visit 511.alaska.gov.


Winter Weather Advisory issued March 5 at 5:09AM AKST until March 6 at 9:00PM AKST by NWS Anchorage AK

Effective: Thu March 5, 2026, 5:09 AM
Expires: Thu March 5, 2026, 5:00 PM

* WHAT...Snow and blowing snow expected. Total snow accumulations between 3 and 6 inches. Winds gusting as high as 30 mph. Visibility as low as one half mile at times. * WHERE...Skilak Lake. * WHEN...From 11 PM this evening to 9 PM AKST Friday. * IMPACTS...Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the Friday morning and evening commutes. Very strong winds could cause extensive damage to trees and power lines.

Slow down and use caution while traveling. For the latest road conditions call 5 1 1 or visit 511.alaska.gov.


Winter Weather Advisory issued March 5 at 5:09AM AKST until March 6 at 5:00PM AKST by NWS Anchorage AK

Effective: Thu March 5, 2026, 5:09 AM
Expires: Thu March 5, 2026, 5:00 PM

* WHAT...Snow and blowing snow expected. Total snow accumulations between 7 and 14 inches. Winds gusting as high as 45 mph. * WHERE...Tyonek. * WHEN...From 11 PM this evening to 5 PM AKST Friday. * IMPACTS...Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches.

Slow down and use caution while traveling. For the latest road conditions call 5 1 1 or visit 511.alaska.gov.


Winter Weather Advisory issued March 5 at 5:09AM AKST until March 6 at 7:00PM AKST by NWS Anchorage AK

Effective: Thu March 5, 2026, 5:09 AM
Expires: Thu March 5, 2026, 5:00 PM

* WHAT...Snow, blowing snow, and mixed precipitation. Total snow accumulations between 6 and 18 inches with the highest amounts near Portage and through Turnagain Pass. Winds gusting as high as 60 mph through Eastern Turnagain Arm. * WHERE...Girdwood, Portage, Whittier, Turnagain Pass, Seward, Interior Kenai Peninsula * WHEN...From 11 PM this evening to 7 PM AKST Friday. * IMPACTS...Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the Friday morning and evening commutes. Very strong winds could cause extensive damage to trees and power lines. Rain falling onto snow covered and frozen roadways may freeze on contact. * ADDITIONAL DETAILS...A strong front will move into the eastern Kenai Peninsula late Thursday night. Temperatures will gradually warm as the front pushes north, possibly transitioning snow to rain for Girdwood, Portage, Whittier and Seward, rising snow levels to between 300 and 800 feet midday before falling quickly at the end of the event. There is some uncertainty on the storm track, which will lead to fluctuations in snow levels.

Slow down and use caution while traveling. For the latest road conditions call 5 1 1 or visit 511.alaska.gov.


Thursday, March 5, 2026

Weather Forecast

Overcast
15.4°F
-3.8°F
7.3°F
88%
0 in
0%
0%
10.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4.73 μg/m3
PM10: 7.35 μg/m3
Carbon Monoxide: 182.41 μg/m3
Nitrogen Dioxide: 2.67 μg/m3
Sulphur Dioxide: 1.46 μg/m3
Ozone: 93.48 μg/m3

Astronomical

Sunrise: 7:52 AM
Sun Transit: 1:16 PM
Sunset: 6:43 PM
Daylight: 10 hrs 51 mins
Moonrise: 10:37 PM
Moon Transit: 2:41 AM
Moonset: 7:57 AM
Moon Phase: Full
Moon Illumination: 94.0%

Best Times for Fishing or Hunting

Major Periods

2:11 AM - 4:41 AM
6:06 AM - 8:36 AM

Minor Periods

10:07 PM - 11:37 PM
7:27 AM - 8:57 AM

Action Rating: 4 out of 5

Friday, March 6, 2026

Weather Forecast

Blowing snow
27.6°F
15.7°F
22.9°F
91%
0.22 in
87%
53%
30.4 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 3.37 μg/m3
PM10: 5.3 μg/m3
Carbon Monoxide: 170.01 μg/m3
Nitrogen Dioxide: 2.08 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 99.48 μg/m3

Astronomical

Sunrise: 7:49 AM
Sun Transit: 1:16 PM
Sunset: 6:46 PM
Daylight: 10 hrs 57 mins
Moonrise: 12:08 PM
Moon Transit: 3:24 AM
Moonset: 7:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.6%

Best Times for Fishing or Hunting

Major Periods

2:54 AM - 5:24 AM
6:49 AM - 9:19 AM

Minor Periods

12:00 AM - 12:00 AM
7:24 AM - 8:54 AM

Action Rating: 3 out of 5

Saturday, March 7, 2026

Weather Forecast

Patchy moderate snow
23.9°F
16.7°F
21.4°F
85%
0.03 in
85%
14%
19 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 2.23 μg/m3
PM10: 2.98 μg/m3
Carbon Monoxide: 162.77 μg/m3
Nitrogen Dioxide: 2.35 μg/m3
Sulphur Dioxide: 1.32 μg/m3
Ozone: 88.68 μg/m3

Astronomical

Sunrise: 7:46 AM
Sun Transit: 1:16 PM
Sunset: 6:48 PM
Daylight: 11 hrs 2 mins
Moonrise: 12:08 AM
Moon Transit: 4:07 AM
Moonset: 7:53 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.2%

Best Times for Fishing or Hunting

Major Periods

3:37 AM - 6:07 AM
7:33 AM - 10:03 AM

Minor Periods

7:23 AM - 8:53 AM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Sunday, March 8, 2026

Weather Forecast

Cloudy
13.7°F
2°F
10.1°F
89%
0 in
0%
3%
5.6 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 2 μg/m3
PM10: 2.63 μg/m3
Carbon Monoxide: 160.68 μg/m3
Nitrogen Dioxide: 2.48 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 85.28 μg/m3

Astronomical

Sunrise: 7:43 AM
Sun Transit: 12:00 AM
Sunset: 6:51 PM
Daylight: 11 hrs 8 mins
Moonrise: 1:43 AM
Moon Transit: 4:53 AM
Moonset: 7:52 AM
Moon Phase: Waning Gibbous
Moon Illumination: 69.3%

Best Times for Fishing or Hunting

Major Periods

4:23 AM - 6:53 AM
8:19 AM - 10:49 AM

Minor Periods

7:22 AM - 8:52 AM
1:13 AM - 2:43 AM

Action Rating: 3 out of 5

Monday, March 9, 2026

Weather Forecast

Partly Cloudy
6.4°F
-3.5°F
2.4°F
91%
0 in
0%
0%
9.6 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 1.28 μg/m3
PM10: 1.59 μg/m3
Carbon Monoxide: 164.58 μg/m3
Nitrogen Dioxide: 1.53 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 90.5 μg/m3

Astronomical

Sunrise: 7:40 AM
Sun Transit: 12:00 AM
Sunset: 6:53 PM
Daylight: 11 hrs 14 mins
Moonrise: 3:20 AM
Moon Transit: 5:40 AM
Moonset: 7:52 AM
Moon Phase: Waning Gibbous
Moon Illumination: 58.5%

Best Times for Fishing or Hunting

Major Periods

5:10 AM - 7:40 AM
9:07 AM - 11:37 AM

Minor Periods

7:22 AM - 8:52 AM
2:50 AM - 4:20 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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