Station Name: MARATHON C NR SEWARD AK
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
Skyline Trail
Seward, AK 99664-1195
Kenai Peninsula County

GPS Coordinates: 60.1093333, -149.4546667

Nearby Water Temperatures

Winter Storm Watch issued November 7 at 10:58PM AKST until November 10 at 4:00PM AKST by NWS Anchorage AK

Effective: Sun November 8, 2026, 7:58 AM
Expires: Mon November 9, 2026, 2:00 AM

* WHAT...Heavy mixed precipitation possible. Total snow accumulations between 3 and 7 inches for Whittier, Eastern Turnagain Arm, Girdwood, and from Moose Pass to north of Seward. Total snow accumulations between 5 and 10 inches of snow from Turnagain Pass to Tern Lake, including the Hope Cutoff. Ice accumulations around a light glaze possible from Turnagain Pass to Tern Lake and up to one tenth of an inch from the Hope Cutoff to Hope. Easterly winds 55 to 70 mph possible for Eastern Turnagain Arm Tuesday morning. * WHERE...East Turnagain Arm, and Western Prince William Sound. * WHEN...From Monday morning through Tuesday afternoon. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday evening and Tuesday morning commutes. Very strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS...A strong and complex weather system is expected to move over the Kenai Peninsula beginning Monday morning. Light snow to become steady by late Monday afternoon with snow, heavy at times, Monday night through early Tuesday morning. East winds from Prince William Sound will move through Whittier and across Eastern Turnagain Arm Monday morning quickly changing the snow at lower elevations to rain. At higher elevations, the snow may become a wintry mix of snow, sleet, and freezing rain before changing to rain. Any rain may also lead to slush and ponding of water on roads. The easterly winds through Whittier and Eastern Turnagain Arm may peak around 60 and 70 mph before diminishing Tuesday afternoon.

Winter Storm Watch issued November 8 at 12:20AM AKST until November 10 at 4:00PM AKST by NWS Anchorage AK

Effective: Sun November 8, 2026, 9:20 AM
Expires: Mon November 9, 2026, 2:15 AM

* WHAT...Heavy mixed precipitation possible. Total snow accumulations between 3 and 7 inches for Whittier, Eastern Turnagain Arm, Girdwood, and from Moose Pass to north of Seward. Total snow accumulations between 5 and 10 inches of snow from Turnagain Pass to Tern Lake, including the Hope Cutoff. Ice accumulations around a light glaze possible from Turnagain Pass to Tern Lake and up to one tenth of an inch from the Hope Cutoff to Hope. Easterly winds 55 to 70 mph possible for Eastern Turnagain Arm Tuesday morning. * WHERE...East Turnagain Arm, and Western Prince William Sound. * WHEN...From Monday morning through Tuesday afternoon. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday evening and Tuesday morning commutes. Very strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS...A strong and complex weather system is expected to move over the Kenai Peninsula beginning Monday morning. Light snow to become steady by late Monday afternoon with snow, heavy at times, Monday night through early Tuesday morning. East winds from Prince William Sound will move through Whittier and across Eastern Turnagain Arm Monday morning quickly changing the snow at lower elevations to rain. At higher elevations, the snow may become a wintry mix of snow, sleet, and freezing rain before changing to rain. Any rain may also lead to slush and ponding of water on roads. The easterly winds through Whittier and Eastern Turnagain Arm may peak around 60 and 70 mph before diminishing Tuesday afternoon.

Small Craft Advisory issued November 8 at 3:09AM AKST until November 9 at 5:00PM AKST by NWS Anchorage AK

Effective: Sun November 8, 2026, 12:09 PM
Expires: Mon November 9, 2026, 12:45 AM

Coastal Waters Forecast for the Northern Gulf of Alaska Coast up to 100 nm out including Kodiak Island and Cook Inlet. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height. .TODAY...N wind 10 kt. Seas 2 ft. .TONIGHT...N wind 10 kt. Seas 2 ft. .MON...N wind 25 kt. Gusts to 40 kt in the afternoon. Seas 4 ft. Snow and rain. .MON NIGHT...N wind 25 kt. Seas 4 ft. .TUE...S wind 20 kt. Seas 3 ft. .WED...N wind 10 kt. Seas 3 ft. .THU...N wind 15 kt. Seas 2 ft.