Extended Marine Forecasts for the Inland waters (Mackenzie River - Lake Athabasca)
* NOTE: Corrected and/or amended bulletins are listed first *
FQCN53 CWNT 051100 Extended marine forecasts for inland waters issued by Environment Canada at 5:00 a.m. MDT Saturday 5 September 2026 for Monday Tuesday and Wednesday. The next scheduled forecast will be issued at 5:00 p.m. MDT. Great Slave Lake - north arm. Monday..Wind southeast 15 knots diminishing to light in the morning then becoming north 10 to 15 in the afternoon. Tuesday..Wind north 10 to 15 knots diminishing to light. Wednesday..Wind south 15 knots becoming northwest 15 late in the day. Great Slave Lake - east arm. Monday..Wind light. Tuesday..Wind light becoming southeast 15 knots late in the day. Wednesday..Wind south 15 knots veering to west 15 to 20 late in the day. Great Slave Lake - basin. Monday..Wind south 15 knots diminishing to light in the morning then becoming north 10 to 15 late in the day. Tuesday..Wind light increasing to southwest 20 to 25 knots late in the day. Wednesday..Wind southwest 20 to 25 knots. Lake Athabasca - eastern half. Monday..Wind southeast 15 knots diminishing to light in the afternoon. Tuesday..Wind light. Wednesday..Wind light increasing to southwest 15 to 20 knots late in the day. Lake Athabasca - western half. Monday..Wind south 15 knots diminishing to light in the morning. Tuesday..Wind light. Wednesday..Wind south 10 to 15 knots veering to west 20 late in the day. Wrigley Harbour mile 0 to Axe Point mile 91. Monday..Wind light. Tuesday..Wind light. Wednesday..Wind west 15 to 20 knots becoming west 15. Axe Point mile 91 to Camsell Bend mile 290. Monday..Wind light. Tuesday..Wind light. Wednesday..Wind light increasing to northwest 15 to 20 knots late in the day. Camsell Bend mile 290 to Tulita mile 512. Monday..Wind light. Tuesday..Wind light. Wednesday..Wind light. Tulita mile 512 to Fort Good Hope mile 684. Monday..Wind light. Tuesday..Wind light. Wednesday..Wind light. Fort Good Hope mile 684 to Point Separation mile 913. Monday..Wind light. Tuesday..Wind light. Wednesday..Wind light becoming northwest 15 knots late in the day. Point Separation mile 913 to Kittigazuit Bay mile 1081. Monday..Wind light becoming southeast 10 to 15 knots late in the day. Tuesday..Wind southeast 10 to 15 knots. Wednesday..Wind northwest 15 knots increasing to northwest 20 to 25. End $$$$^^
Features
Colour-coded weather alerts
Learn more about weather alerting in Canada
Improved storm alerts
Learn more about targeted warnings for severe thunderstorms and tornadoes
- Date modified: