Language selection

Features

Weather shortcuts

Great Slave Lake - basin

Forecast

Marine Forecast

Issued 05:00 PM MDT 17 August 2026

Tonight and Tuesday.

Strong wind warning in effect.

Wind east 15 knots increasing to southeast 20 this evening then diminishing to southwest 15 early Tuesday morning. Wind diminishing to light Tuesday afternoon then becoming west 10 Tuesday evening.

Extended Forecast

Issued 05:00 PM MDT 17 August 2026
Wednesday Wind northwest 15 knots diminishing to light in the afternoon then becoming west 15 late in the day.
Thursday Wind light.
Friday Wind light becoming east 15 knots late in the day.

Stay connected

ATOM

Weather Conditions

Skip Image

Zoom-in to make a selection

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

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Great Slave Lake - basin

Issued 5:00 PM MDT 17 August 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Synopsis

There is no Synopsis issued for this area.

Mackenzie - Mackenzie River Area

Another Region

Features

Colour-coded weather alerts

Learn more about weather alerting in Canada

Thunderstorm Outlooks

Find the Thunderstorm Outlook for your area.

Improved storm alerts

Learn more about targeted warnings for severe thunderstorms and tornadoes

Date modified: