Water Temperature of Cook Inlet in Nikiski, AK

Current Water Temperature

29.3°F

Measurement Time: Sunday, January 11, 2026, 2:54 PM AKST

Today's Tides

Low: January 11, 4:22 AM, 7.0 ft
 High: January 11, 10:43 AM, 18.2 ft
Low: January 11, 5:38 PM, 4.7 ft
 High: January 11, 11:49 PM, 15.0 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

14.4°F
Mist
Mist
9.1°F
12°F
79%
NNE 3.1 mph
5.2 mph
6.4°F
11.2°F
0 in
100%
6 mi
990 mbar
0.2

Five Day Weather Forecast

Light snow
Sun
H: 17°F
L: 1°F
Freezing fog
Mon
H: -3°F
L: -10°F
Heavy snow
Tue
H: 11°F
L: -10°F
Mist
Wed
H: 23°F
L: 12°F
Heavy snow
Thu
H: 30°F
L: 15°F

Air Quality

AQI: 1 - Good
PM2.5: 1.95 μg/m3
PM10: 2.05 μg/m3
Carbon Monoxide: 156.85 μg/m3
Nitrogen Dioxide: 3.95 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 73 μg/m3

Astronomical

Sunrise: 10:04 AM
Sun Transit: 1:13 PM
Sunset: 4:24 PM
Daylight: 6 hrs 20 mins
Moonrise: 3:29 AM
Moon Transit: 7:37 AM
Moonset: 11:30 AM
Moon Phase: Last Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

7:07 AM - 9:37 AM
11:03 AM - 1:33 PM

Minor Periods

11:00 AM - 12:30 AM
2:59 AM - 4:29 AM

Action Rating: 3 out of 5

Avalanche Warning issued January 10 at 5:47AM AKST by NWS Anchorage AK

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Sat January 10, 2026, 5:47 AM
Expires: Sun January 11, 2026, 6:00 AM

SABAFC The following message is transmitted at the request of the Chugach National Forest Avalanche Center. ...THE CHUGACH NATIONAL FOREST AVALANCHE INFORMATION CENTER HAS ISSUED AN AVALANCHE WARNING FOR THE FOLLOWING AREAS: CHUGACH STATE PARK, GIRDWOOD, PORTAGE, INTERIOR KENAI PENINSULA, AND THE SOUTHERN KENAI PENINSULA MOUNTAINS... * WHAT...The backcountry avalanche danger is HIGH. Very dangerous avalanche conditions exist. * WHERE...For the Western Chugach and Kenai Mountains in and around Anchorage, Girdwood, Portage, Lost Lake, and Seward. * WHEN...In effect Saturday 6:00 AM AKST through Sunday 6:00 AM AKST. * IMPACTS...Heavy snowfall and strong winds will overload a weak snowpack, creating widespread areas of unstable snow. Both human triggered and natural large avalanches are likely. Debris from avalanches above may run into valley bottoms. Avalanche conditions will remain very dangerous immediately after the snow finishes. * PRECAUTIONARY / PREPAREDNESS ACTIONS...Travel in avalanche terrain is NOT recommended. Backcountry travelers should stay off of...and out from underneath slopes steeper than 30 degrees. Avalanches may run long distances. Outside of the backcountry, roof avalanches are likely, pay attention to children, people and pets under roofs shedding snow. Similar avalanche danger may exist outside the coverage area of this or any avalanche center. For more information visit cnfaic.org. For more information visit cnfaic.org.


Special Weather Statement issued January 10 at 9:19PM AKST by NWS Anchorage AK

Effective: Sat January 10, 2026, 9:19 PM
Expires: Sun January 11, 2026, 6:00 AM

Bands of moderate snow showers will continue to move south to north across the western Kenai Peninsula through the overnight hours and into Sunday morning before slowly tapering off. Up to an additional 3 inches of snow is possible through Sunday morning, with the highest amounts for locations that see persistent snow shower activity.


Winter Weather Advisory issued January 10 at 8:59PM AKST until January 11 at 6:00AM AKST by NWS Anchorage AK

Effective: Sat January 10, 2026, 8:59 PM
Expires: Sun January 11, 2026, 6:00 AM

* WHAT...Snow. Additional snow accumulations of 4 to 8 inches. * WHERE...East Turnagain Arm, Interior Kenai Peninsula, Turnagain Pass, and West Prince William Sound & Whittier. * WHEN...Until 6 AM AKST Sunday. * IMPACTS...Visibilities reduced to one half mile or less due to blowing snow, mainly through Turnagain Pass. Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. Rain on frozen and snow covered surfaces will create difficult driving conditions. * ADDITIONAL DETAILS...Snow falling onto wet or ice covered surfaces near sea level may lead to hazardous travel conditions.

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 January 10 at 8:59PM AKST until January 11 at 6:00AM AKST by NWS Anchorage AK

Effective: Sat January 10, 2026, 8:59 PM
Expires: Sun January 11, 2026, 6:00 AM

* WHAT...Snow. Additional snow accumulations 3 to 6 inches. * WHERE...Seward. * WHEN...Until 6 AM AKST Sunday. * IMPACTS...Travel could be difficult. Visibilities could be reduced in heavier snow showers. * ADDITIONAL DETAILS...Bands of snow showers will continue to move across Seward and the Southern Kenai Peninsula through the overnight hours. Heavier snow bands may reduce visibilities to as low as one half mile at times.

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


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.


Sunday, January 11, 2026

Weather Forecast

Light snow
16.7°F
1.2°F
11.8°F
97%
0.1 in
83%
79%
5.8 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 1.97 μg/m3
PM10: 2.15 μg/m3
Carbon Monoxide: 163.77 μg/m3
Nitrogen Dioxide: 4.86 μg/m3
Sulphur Dioxide: 1.98 μg/m3
Ozone: 67.36 μg/m3

Astronomical

Sunrise: 10:04 AM
Sun Transit: 1:13 PM
Sunset: 4:24 PM
Daylight: 6 hrs 20 mins
Moonrise: 3:29 AM
Moon Transit: 7:37 AM
Moonset: 11:30 AM
Moon Phase: Last Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

7:07 AM - 9:37 AM
11:03 AM - 1:33 PM

Minor Periods

11:00 AM - 12:30 AM
2:59 AM - 4:29 AM

Action Rating: 3 out of 5

Monday, January 12, 2026

Weather Forecast

Freezing fog
-2.7°F
-9.9°F
-6.7°F
96%
0 in
0%
0%
6.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.13 μg/m3
PM10: 2.23 μg/m3
Carbon Monoxide: 173.97 μg/m3
Nitrogen Dioxide: 4.56 μg/m3
Sulphur Dioxide: 1.7 μg/m3
Ozone: 67.36 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

Heavy snow
11.3°F
-9.5°F
4.3°F
94%
0.21 in
69%
49%
9.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.63 μg/m3
PM10: 2.8 μg/m3
Carbon Monoxide: 152.57 μg/m3
Nitrogen Dioxide: 5.73 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 69.84 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

Mist
23°F
11.8°F
15.8°F
96%
0.06 in
80%
58%
7.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.41 μg/m3
PM10: 2.83 μg/m3
Carbon Monoxide: 170.84 μg/m3
Nitrogen Dioxide: 3.68 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 77.04 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
15.1°F
25.7°F
94%
0.39 in
60%
52%
15.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 1.71 μg/m3
PM10: 1.92 μg/m3
Carbon Monoxide: 159.97 μg/m3
Nitrogen Dioxide: 2.77 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 72.54 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

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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