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Synopsis High pressure will gradually move eastward across the Chukchi and Beaufort Seas through Monday.
The only remaining sea ice around St. Lawrence Island is northeast of the island, generally between Camp Iveetok and just east of Camp Kulowiye, extending up to 65 miles from the coast. This is close to very close pack ice consisting of medium to vast floes.
This area is now sea ice free and the outlook season has concluded.
This area is now sea ice free and the outlook season has concluded.
Very close pack ice to consolidated ice consisting of medium to vast floes extends up to 13 miles offshore from Wales to Espenberg. Beyond that sea ice, it is mainly open water in this region.
This area is now sea ice free and the outlook season has concluded.
Forecast Discussion
Ice Forecast
Expect continued thinning of the pack ice and areas of open water to continue to expand around St. Lawrence Island and the Wales to Shishmaref coastline. During periods of light winds, sea ice movement will be dependent on local currents. During the periods of northerly winds, sea ice will generally drift southward up to 15 miles through Thursday, June 18th.
NWS 5-day Sea Ice Forecast
NWS Sea Ice Concentration Analysis
Wind Synopsis
Friday, June 12th expect winds to be from the Southwest at 4-9 kts (5-10 mph) becoming Northeast 2-7 kts (3-8 mph) by Saturday, June 13th in the early morning. Then increase from the North 9-13 kts (10-15 mph) by Saturday, June 13th's afternoon. The wind will back to northwest on Monday, June 14th and continue through to Wednesday, June 17th's morning at 9-13 kts (10-15 mph). Thursday, June 18th the wind will shift to the northeast and increase to 9-17 kts (10-20 mph) through Friday, June 19th.
Temperature Trend
Maximum temperatures will range from the mid-40s to lower 50s for the week of June 12th through June 19th. Minimum temperatures will range from the mid-30s to lower 40s for the week of June 12th through June 19th.
Daily Weather, Wind, and Temperature Updates
The National Weather Service provides twice-daily, text only updates on the weather, wind, and temperature conditions in specific geographical zones. An interactive weather map for access to other Alaskan zones can be found here: http://weather.gov/anchorage/ice
Higher resolution satellite images and wind maps (wind updated daily) can be viewed here: http://www.weather.gov/afg/SIWO_overview