Water Temperature of Cook Inlet in Nikiski, AK

Current Water Temperature

29.3°F

Measurement Time: Tuesday, January 6, 2026, 7:30 AM AKST

Today's Tides

Low: January 6, 12:29 AM, -3.8 ft
 High: January 6, 6:45 AM, 22.2 ft
Low: January 6, 12:48 PM, 2.7 ft
 High: January 6, 6:32 PM, 21.8 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

10.6°F
Patchy light snow
Patchy light snow
5.7°F
14.2°F
85%
E 2.7 mph
4.4 mph
9.7°F
12.5°F
0 in
100%
1 mi
972 mbar
0

Five Day Weather Forecast

Light snow
Tue
H: 18°F
L: 13°F
Moderate snow
Wed
H: 8°F
L: -6°F
Light freezing rain
Thu
H: -6°F
L: -12°F
Blizzard
Fri
H: 17°F
L: -4°F
Thundery outbreaks in nearby
Sat
H: 22°F
L: 2°F

Air Quality

AQI: 1 - Good
PM2.5: 1.55 μg/m3
PM10: 1.85 μg/m3
Carbon Monoxide: 152.85 μg/m3
Nitrogen Dioxide: 2.15 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 10:10 AM
Sun Transit: 1:11 PM
Sunset: 4:14 PM
Daylight: 6 hrs 3 mins
Moonrise: 9:32 PM
Moon Transit: 4:02 AM
Moonset: 11:40 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.1%

Best Times for Fishing or Hunting

Major Periods

3:32 AM - 6:02 AM
7:30 AM - 10:00 AM

Minor Periods

9:02 PM - 10:32 PM
11:10 AM - 12:40 AM

Action Rating: 3 out of 5

High Surf Advisory issued January 5 at 8:03AM AKST until January 7 at 9:00AM AKST by NWS Anchorage AK

Effective: Mon January 5, 2026, 8:03 AM
Expires: Wed January 7, 2026, 9:00 AM

* WHAT...Breaking waves of 5 to 9 feet. West-southwest winds 20 to 30 mph with gusts of 30 to 45 mph. * WHERE...Kachemak Bay, including the south side of Homer Spit. * WHEN...1 AM Tuesday through 9 AM Wednesday. * IMPACTS...1 AM Tuesday through 9 AM Wednesday. * ADDITIONAL DETAILS...Water and light debris (such as small rocks) may wash over portions of the Homer Spit Road. Minor beach erosion is possible. Temperatures below freezing may lead to the accumulation of ice on cold surfaces due to freezing spray. The worst conditions are expected during the Tuesday afternoon high tide cycle.

A high surf advisory means that high surf will affect beaches in the advisory area, producing rip currents and localized beach erosion.


Winter Weather Advisory issued January 5 at 4:09PM AKST until January 7 at 9:00AM AKST by NWS Anchorage AK

Effective: Mon January 5, 2026, 4:09 PM
Expires: Tue January 6, 2026, 7:00 AM

* WHAT...Snow and blowing snow. Additional snow accumulations between 4 and 7 inches. Visibility as low as one half mile at times. Winds gusting as high as 35 mph. * WHERE...NW Kenai Peninsula and Skilak Lake. * WHEN...Until 9 AM AKST Wednesday. * IMPACTS...Visibilities reduced to one half mile or less due to blowing snow. Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the Monday evening, Tuesday morning and evening commutes.

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 January 5 at 4:09PM AKST until January 7 at 12:00PM AKST by NWS Anchorage AK

Effective: Mon January 5, 2026, 4:09 PM
Expires: Tue January 6, 2026, 7:00 AM

* WHAT...Heavy snow. Additional snow accumulations between 4 and 8 inches. with locally higher amounts, for SW Kenai Peninsula including Homer and the Bluffs. Additional snow accumulations between 8 and 14 inches for Southern Kachemak Bay including Seldovia, Port Graham, and Halibut Cove. Winds gusting as high as 60 mph with lead to blowing and drifting of snow and visibilities falling to one half mile or less. * WHERE...SW Kenai Peninsula and Southern Kachemak Bay. * WHEN...Until noon AKST Wednesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Visibilities reduced to one half mile or less due to blowing snow. Travel could be very difficult. The hazardous conditions could impact the Monday evening, Tuesday morning and evening commutes.

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 January 5 at 4:09PM AKST until January 7 at 12:00PM AKST by NWS Anchorage AK

Effective: Mon January 5, 2026, 4:09 PM
Expires: Tue January 6, 2026, 7:00 AM

* WHAT...Snow and localized areas of blowing and drifting snow expected. Additional snow accumulations between 6 and 12 inches. Visibility reduced to as low as one half mile at times. * WHERE...East Turnagain Arm, Portage, and Turnagain Pass. * WHEN...Until noon AKST Wednesday. * IMPACTS...Visibilities reduced to one half mile or less due to blowing snow. Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be difficult. Areas of blowing snow could significantly reduce visibility. Highest snowfall amounts expected near Portage. The hazardous conditions could impact the Monday evening, Tuesday morning and evening commutes.

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


Tuesday, January 6, 2026

Weather Forecast

Light snow
18.1°F
12.6°F
15°F
93%
0.17 in
85%
82%
10.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.13 μg/m3
PM10: 2.5 μg/m3
Carbon Monoxide: 146.97 μg/m3
Nitrogen Dioxide: 3.87 μg/m3
Sulphur Dioxide: 1.32 μg/m3
Ozone: 77.24 μg/m3

Astronomical

Sunrise: 10:10 AM
Sun Transit: 1:11 PM
Sunset: 4:14 PM
Daylight: 6 hrs 3 mins
Moonrise: 9:32 PM
Moon Transit: 4:02 AM
Moonset: 11:40 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.1%

Best Times for Fishing or Hunting

Major Periods

3:32 AM - 6:02 AM
7:30 AM - 10:00 AM

Minor Periods

9:02 PM - 10:32 PM
11:10 AM - 12:40 AM

Action Rating: 3 out of 5

Wednesday, January 7, 2026

Weather Forecast

Moderate snow
7.6°F
-5.7°F
3.3°F
92%
0.13 in
87%
72%
8.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 1.43 μg/m3
PM10: 1.54 μg/m3
Carbon Monoxide: 161.61 μg/m3
Nitrogen Dioxide: 2.6 μg/m3
Sulphur Dioxide: 1.32 μg/m3
Ozone: 69.24 μg/m3

Astronomical

Sunrise: 10:09 AM
Sun Transit: 1:12 PM
Sunset: 4:16 PM
Daylight: 6 hrs 6 mins
Moonrise: 11:05 PM
Moon Transit: 4:49 AM
Moonset: 11:38 AM
Moon Phase: Waning Gibbous
Moon Illumination: 78.6%

Best Times for Fishing or Hunting

Major Periods

4:19 AM - 6:49 AM
8:14 AM - 10:44 AM

Minor Periods

12:00 AM - 12:00 AM
11:08 AM - 12:38 AM

Action Rating: 2 out of 5

Thursday, January 8, 2026

Weather Forecast

Light freezing rain
-5.5°F
-12°F
-8.4°F
95%
0.01 in
60%
37%
10.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 1.47 μg/m3
PM10: 1.57 μg/m3
Carbon Monoxide: 159.05 μg/m3
Nitrogen Dioxide: 3.15 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 64.28 μg/m3

Astronomical

Sunrise: 10:08 AM
Sun Transit: 1:12 PM
Sunset: 4:18 PM
Daylight: 6 hrs 10 mins
Moonrise: 12:05 AM
Moon Transit: 5:32 AM
Moonset: 11:36 AM
Moon Phase: Waning Gibbous
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

5:02 AM - 7:32 AM
8:57 AM - 11:27 AM

Minor Periods

11:06 AM - 12:36 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, January 9, 2026

Weather Forecast

Blizzard
16.8°F
-3.9°F
7.4°F
92%
0.18 in
75%
56%
23.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.42 μg/m3
PM10: 2.88 μg/m3
Carbon Monoxide: 146.78 μg/m3
Nitrogen Dioxide: 4.05 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 67 μg/m3

Astronomical

Sunrise: 10:07 AM
Sun Transit: 1:12 PM
Sunset: 4:20 PM
Daylight: 6 hrs 13 mins
Moonrise: 12:34 AM
Moon Transit: 6:14 AM
Moonset: 11:34 AM
Moon Phase: Waning Gibbous
Moon Illumination: 57.8%

Best Times for Fishing or Hunting

Major Periods

5:44 AM - 8:14 AM
9:39 AM - 12:09 AM

Minor Periods

11:04 AM - 12:34 AM
12:04 AM - 1:34 AM

Action Rating: 3 out of 5

Saturday, January 10, 2026

Weather Forecast

Thundery outbreaks in nearby
22.1°F
1.6°F
16°F
88%
0.03 in
64%
24%
11.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.5 μg/m3
PM10: 3.14 μg/m3
Carbon Monoxide: 155.73 μg/m3
Nitrogen Dioxide: 4 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 71.85 μg/m3

Astronomical

Sunrise: 10:06 AM
Sun Transit: 1:13 PM
Sunset: 4:22 PM
Daylight: 6 hrs 16 mins
Moonrise: 2:01 AM
Moon Transit: 6:55 AM
Moonset: 11:32 AM
Moon Phase: Last Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

6:25 AM - 8:55 AM
10:20 AM - 12:50 AM

Minor Periods

11:02 AM - 12:32 AM
1:31 AM - 3:01 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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