Great Slave Lake - north arm


Marine Forecast

Issued 05:00 AM MDT 22 October 2017

Today Tonight and Monday.

Wind light becoming east 10 to 15 knots this morning then diminishing to light late overnight. Wind becoming west 10 Monday morning then becoming light near noon Monday. Wind becoming south 10 Monday evening.

Chance of snow or rain today and tonight. Fog patches dissipating late this morning. Fog patches forming late overnight and dissipating Monday morning.

Extended Forecast

Issued 05:00 AM MDT 22 October 2017
Tuesday Wind southeast 15 knots diminishing to light in the morning then increasing to north 25 in the afternoon.
Wednesday Wind northwest 20 knots.
Thursday Wind northwest 20 knots diminishing to light.

Stay connected


Weather Conditions

Skip Image

Zoom-in to make a selection

Map of Mackenzie - Mackenzie River marine weather areas Great Slave Lake - 45141 Great Slave Lake North Arm - 45150 Herschel Island Komakuk Beach Shingle Point Airport Aklavik Airport Cape Parry Airport Fort Good Hope Airport Tulita Airport Fort Providence Fort Reliance Fort Resolution Airport Fort Simpson Airport Hay River/Merlyn Carter Airport Inner Whaleback Rocks Inuvik Airport Keats Point Norman Wells Airport Paulatuk Airport Pelly Island Tuktoyaktuk Airport Wrigley Airport Yellowknife Airport Kugluktuk Airport Hat Island Cambridge Bay Airport Cape Peel West Stefansson Island Ulukhaktok Airport Sachs Harbour Airport Thomsen River Egg Island Fort Chipewyan Airport Stony Rapids Airport Liverpool Bay Little Chicago Lutselke Airport Storm Hills Croker River Prairie River Uranium City Cape Providence Tuktoyaktuk Bathurst Inlet Gateshead Island
buoy Buoy
land station Land Station
Ice Conditions

There is no ice forecast issued for this area.


No watches or warnings in effect.


There is no Synopsis issued for this area.

Mackenzie - Mackenzie River Area

Another Region

What we are doing


Summer 2017: Significant weather across Canada

By analyzing weather events, ECCC is collecting more information as to how our climate is changing.

Date modified: