Surface Flow Characteristics
Alaska's hydrology is characterized by cold and wet conditions, with heavy snowfall in the winter and abundant rainfall in the summer. Major surface flows include the Yukon, Kuskokwim, and Copper rivers, which support commercial and subsistence fishing, transportation, and hydroelectric power generation. Major reservoirs and dams include the Eklutna and Bradley Lake projects. Climate change is affecting Alaska's hydrology, with increased precipitation and glacier melting leading to more frequent flooding and changes in river flow patterns. The state's watersheds are also impacted by mining, oil and gas development, and other human activities. Snowpack levels are closely monitored as they have a significant impact on spring runoff and water availability in the summer.
Streamgauge Profile
Statewide Warnings & Alerts
Residents of Alaska's Northern Gulf Coast, including the Kodiak Island and Cook Inlet areas, are bracing for a powerful storm as the National Weather Service in Anchorage has issued a series of storm warnings. The latest warning highlights that beginning April 18 at 4:07 AM AKDT and lasting until 5:00 PM AKDT, the region can expect extremely high winds and rough seas. East winds are forecasted to reach up to 50 knots in the afternoon with sea conditions rising to 20 feet accompanied by rain. This severe weather is expected to continue into the night, with East winds maintaining a punishing speed of around 45 knots and sea levels holding at 20 feet.
These conditions could have significant impacts on coastal communities, marine activities, and transportation. It is crucial for those in the affected zones, particularly in highly populated and vulnerable coastal cities like Kodiak, Homer, and Seward, to take precautions. Mariners should avoid setting sail as the combined wind waves and swell height make for treacherous waters. Residents should secure outdoor items and prepare for potential power outages. Stay indoors if possible, and always keep an emergency kit handy with essentials in case the storm's impact is greater than anticipated. Keep abreast of the latest weather updates and heed any additional warnings or advisories from local authorities. Your safety is paramount, and taking these warnings seriously could be lifesaving.
BARREN ISLANDS EAST
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...E wind 40 ...
NORTH SIDE OF SAINT LAWRENCE ISLAND OUT TO 15 NM
Northwestern Alaska Coastal Waters out 100 NM Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent the average of the highest one- third of the combined wind-wave and swell height. .TONIGHT...NW winds 25 kt. Seas 5 ft subsiding. Freezing fog. Snow. Heavy freezing spray. .THU...NW winds 20 ...
NORTH SIDE OF SAINT LAWRENCE ISLAND OUT TO 15 NM
Northwestern Alaska Coastal Waters out 100 NM Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent the average of the highest one- third of the combined wind-wave and swell height. .TODAY...N winds 25 kt. Seas 4 ft. Blowing snow. Vsby 1 NM or less. Heavy freezing spray. ...
Rivers of Alaska
Watersheds of Alaska
Popular Whitewater Destinations
| River Run | Status | Streamflow (CFS) | Air Temp (F) |
|---|---|---|---|
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21.9 | ||
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13.57 |
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