Water Temperature of Cook Inlet in Nikiski, AK
Current Water Temperature
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 AlaskaStation 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

Five Day Weather Forecast

Tue
H: 18°F
L: 13°F

Wed
H: 8°F
L: -6°F

Thu
H: -6°F
L: -12°F

Fri
H: 17°F
L: -4°F

Sat
H: 22°F
L: 2°F
Air Quality
Nitrogen Dioxide: 2.15 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 70 μg/m3
Astronomical
Sun Transit: 1:11 PM
Sunset: 4:14 PM
Daylight: 6 hrs 3 mins
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 AM7:30 AM - 10:00 AM
Minor Periods
9:02 PM - 10:32 PM11:10 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.
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.87 μg/m3
Sulphur Dioxide: 1.32 μg/m3
Ozone: 77.24 μg/m3
Astronomical
Sun Transit: 1:11 PM
Sunset: 4:14 PM
Daylight: 6 hrs 3 mins
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 AM7:30 AM - 10:00 AM
Minor Periods
9:02 PM - 10:32 PM11:10 AM - 12:40 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.6 μg/m3
Sulphur Dioxide: 1.32 μg/m3
Ozone: 69.24 μg/m3
Astronomical
Sun Transit: 1:12 PM
Sunset: 4:16 PM
Daylight: 6 hrs 6 mins
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 AM8:14 AM - 10:44 AM
Minor Periods
12:00 AM - 12:00 AM11:08 AM - 12:38 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.15 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 64.28 μg/m3
Astronomical
Sun Transit: 1:12 PM
Sunset: 4:18 PM
Daylight: 6 hrs 10 mins
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 AM8:57 AM - 11:27 AM
Minor Periods
11:06 AM - 12:36 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.05 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 67 μg/m3
Astronomical
Sun Transit: 1:12 PM
Sunset: 4:20 PM
Daylight: 6 hrs 13 mins
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 AM9:39 AM - 12:09 AM
Minor Periods
11:04 AM - 12:34 AM12:04 AM - 1:34 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 71.85 μg/m3
Astronomical
Sun Transit: 1:13 PM
Sunset: 4:22 PM
Daylight: 6 hrs 16 mins
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 AM10:20 AM - 12:50 AM
Minor Periods
11:02 AM - 12:32 AM1:31 AM - 3:01 AM
Action Rating: 3 out of 5
