Water Temperature of Cook Inlet in Nikiski, AK

Current Water Temperature

29.3°F

Measurement Time: Monday, January 12, 2026, 5:00 AM AKST

Today's Tides

Low: January 12, 5:30 AM, 8.8 ft
 High: January 12, 11:42 AM, 17.5 ft
Low: January 12, 6:48 PM, 4.2 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

9°F
Overcast
Overcast
0.4°F
-0.9°F
85%
ENE 4.7 mph
9.9 mph
-11.1°F
-1°F
0 in
100%
8 mi
995 mbar
0

Five Day Weather Forecast

Freezing fog
Mon
H: -0°F
L: -10°F
Light snow
Tue
H: 9°F
L: -10°F
Light snow
Wed
H: 23°F
L: 6°F
Heavy snow
Thu
H: 30°F
L: 16°F
Moderate rain
Fri
H: 36°F
L: 32°F

Air Quality

AQI: 1 - Good
PM2.5: 2.45 μg/m3
PM10: 2.55 μg/m3
Carbon Monoxide: 161.85 μg/m3
Nitrogen Dioxide: 5.35 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 66 μg/m3

Astronomical

Sunrise: 10:03 AM
Sun Transit: 1:14 PM
Sunset: 4:26 PM
Daylight: 6 hrs 24 mins
Moonrise: 5:01 AM
Moon Transit: 8:21 AM
Moonset: 11:29 AM
Moon Phase: Last Quarter
Moon Illumination: 25.0%

Best Times for Fishing or Hunting

Major Periods

7:51 AM - 10:21 AM
11:47 AM - 2:17 PM

Minor Periods

10:59 AM - 12:29 AM
4:31 AM - 6:01 AM

Action Rating: 3 out of 5

Special Weather Statement issued January 11 at 5:45AM AKST by NWS Anchorage AK

Effective: Sun January 11, 2026, 5:45 AM
Expires: Mon January 12, 2026, 6:00 AM

The Chugach NF Avalanche Information Center in Girdwood has issued a SPECIAL AVALANCHE STATEMENT for the following areas: South Fork Eagle River, Chugach State Park, Girdwood, Portage, Turnagain Pass, Moose Pass, Summit Lake, and Seward From 6 am Sunday, Jan 11 to 6 am Monday, Jan 12. * WHAT...Unusually dangerous avalanche conditions exist in the backcountry.Avalanche danger is CONSIDERABLE. * WHERE...For the Western Chugach and Kenai Mountains in and around Anchorage, Girdwood, Portage, Turnagain Pass, Summit Lake, Moose Pass, Lost Lake, and Seward. * WHEN...In effect from Sunday 6:00 am to Monday 6:00 am AKST. * IMPACTS...Very large human-triggered avalanches are likely. Despite clear skies and nicer weather, the snowpack is very unstable and dangerous avalanches can be easily triggered by people. It is likely avalanches may be triggered remotely from flat terrain below steeper slopes. * PRECAUTIONARY / PREPAREDNESS ACTIONS... If deciding to recreate in the backcountry, choose low-angle terrain with nothing steeper above you. Cautious route-finding and conservative decision- making skills will be necessary to identify and avoid slopes that could avalanche. Similar avalanche danger may exist at locations outside the coverage area of this or any avalanche center. For more information visit www.ChugachAvalanche.org.


Special Weather Statement issued January 11 at 8:58PM AKST by NWS Anchorage AK

Effective: Sun January 11, 2026, 8:58 PM
Expires: Tue January 13, 2026, 6:00 AM

The Chugach NF Avalanche Information Center in Girdwood has extended the SPECIAL AVALANCHE STATEMENT through 6 AM TUESDAY JANUARY 13TH for the following areas: South Fork Eagle River, Chugach State Park, Girdwood, Portage, Turnagain Pass, Moose Pass, Summit Lake, and Seward. * WHAT...Unusually dangerous avalanche conditions exist in the backcountry. Avalanche danger is CONSIDERABLE. * WHERE...For the Western Chugach and Kenai Mountains in and around Anchorage, Girdwood, Portage, Turnagain Pass, Summit Lake, Moose Pass, Lost Lake, and Seward. * WHEN...Now in effect through Tuesday 6:00 am AKST. * IMPACTS...Very large human-triggered avalanches are likely. Despite clear skies and nicer weather, the snowpack is very unstable and dangerous avalanches can be easily triggered by people. It is likely avalanches may be triggered remotely from flat terrain below steeper slopes. * PRECAUTIONARY / PREPAREDNESS ACTIONS... If deciding to recreate in the backcountry, choose low-angle terrain with nothing steeper above you. Cautious route-finding and conservative decision- making skills will be necessary to identify and avoid slopes that could avalanche. Similar avalanche danger may exist at locations outside the coverage area of this or any avalanche center. For more information visit www.ChugachAvalanche.org.


Monday, January 12, 2026

Weather Forecast

Freezing fog
-0°F
-9.8°F
-3.4°F
98%
0 in
0%
3%
6.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.26 μg/m3
PM10: 2.35 μg/m3
Carbon Monoxide: 167.57 μg/m3
Nitrogen Dioxide: 4.67 μg/m3
Sulphur Dioxide: 1.61 μg/m3
Ozone: 69.4 μg/m3

Astronomical

Sunrise: 10:03 AM
Sun Transit: 1:14 PM
Sunset: 4:26 PM
Daylight: 6 hrs 24 mins
Moonrise: 5:01 AM
Moon Transit: 8:21 AM
Moonset: 11:29 AM
Moon Phase: Last Quarter
Moon Illumination: 25.0%

Best Times for Fishing or Hunting

Major Periods

7:51 AM - 10:21 AM
11:47 AM - 2:17 PM

Minor Periods

10:59 AM - 12:29 AM
4:31 AM - 6:01 AM

Action Rating: 3 out of 5

Tuesday, January 13, 2026

Weather Forecast

Light snow
9.2°F
-9.8°F
2.6°F
96%
0.05 in
80%
40%
9.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.59 μg/m3
PM10: 2.74 μg/m3
Carbon Monoxide: 151.45 μg/m3
Nitrogen Dioxide: 5.83 μg/m3
Sulphur Dioxide: 1.52 μg/m3
Ozone: 69.52 μg/m3

Astronomical

Sunrise: 10:01 AM
Sun Transit: 1:14 PM
Sunset: 4:29 PM
Daylight: 6 hrs 27 mins
Moonrise: 6:36 AM
Moon Transit: 9:07 AM
Moonset: 11:30 AM
Moon Phase: Waning Crescent
Moon Illumination: 15.9%

Best Times for Fishing or Hunting

Major Periods

8:37 AM - 11:07 AM
12:34 AM - 3:04 PM

Minor Periods

11:00 AM - 12:30 AM
6:06 AM - 7:36 AM

Action Rating: 2 out of 5

Wednesday, January 14, 2026

Weather Forecast

Light snow
22.5°F
5.5°F
13.6°F
93%
0.01 in
78%
32%
15 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.56 μg/m3
PM10: 2.86 μg/m3
Carbon Monoxide: 152.53 μg/m3
Nitrogen Dioxide: 4.79 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 72.04 μg/m3

Astronomical

Sunrise: 10:00 AM
Sun Transit: 1:14 PM
Sunset: 4:31 PM
Daylight: 6 hrs 31 mins
Moonrise: 8:13 AM
Moon Transit: 9:56 AM
Moonset: 11:35 AM
Moon Phase: Waning Crescent
Moon Illumination: 8.5%

Best Times for Fishing or Hunting

Major Periods

1:23 PM - 3:53 PM
9:26 AM - 11:56 AM

Minor Periods

11:05 AM - 12:35 AM
7:43 AM - 9:13 AM

Action Rating: 2 out of 5

Thursday, January 15, 2026

Weather Forecast

Heavy snow
29.7°F
16.1°F
24.4°F
94%
0.82 in
60%
62%
15.2 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.23 μg/m3
PM10: 2.65 μg/m3
Carbon Monoxide: 154.93 μg/m3
Nitrogen Dioxide: 3.2 μg/m3
Sulphur Dioxide: 1.66 μg/m3
Ozone: 76.04 μg/m3

Astronomical

Sunrise: 9:58 AM
Sun Transit: 1:15 PM
Sunset: 4:33 PM
Daylight: 6 hrs 35 mins
Moonrise: 9:40 AM
Moon Transit: 10:48 AM
Moonset: 11:54 AM
Moon Phase: Waning Crescent
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

2:15 PM - 4:45 PM
10:18 AM - 12:48 AM

Minor Periods

11:24 AM - 12:54 AM
9:10 AM - 10:40 AM

Action Rating: 4 out of 5

Friday, January 16, 2026

Weather Forecast

Moderate rain
35.7°F
32.2°F
33.9°F
96%
0.38 in
59%
31%
11.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.15 μg/m3
PM10: 2.55 μg/m3
Carbon Monoxide: 145.85 μg/m3
Nitrogen Dioxide: 3.65 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 84 μg/m3

Astronomical

Sunrise: 9:56 AM
Sun Transit: 1:15 PM
Sunset: 4:36 PM
Daylight: 6 hrs 39 mins
Moonrise: 10:30 AM
Moon Transit: 11:40 AM
Moonset: 12:55 AM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

3:07 PM - 5:37 PM
11:10 AM - 1:40 PM

Minor Periods

12:25 AM - 1:55 PM
10:00 AM - 11:30 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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