Fisheries and Oceans Canada | Pêches et Océans Canada
Symbol of the Government of Canada

Broadcast Service - Sarnia MCTS

Continuous Marine Broadcasts (CMB)

Sarnia maintains two separate continuous marine broadcasts. Consult the list below to determine the channel used in your area and the content of the broadcast.

CMB North

Transmitted by Sarnia MCTS using transmitter sites located at:
LocationVHF CMB Channel
Kincardine 83B
Sarnia 21B

Includes broadcast of:

  • marine weather forecasts for Lake Huron, Lake St. Clair and Lake Erie
  • marine weather reports for reporting points from Great Duck Island to Windsor
  • ship weather observations
  • Notices to Shipping for Lake Huron south of 45° 10' N, St. Clair River, Lake St. Clair and Detroit River
  • Water levels Lake Huron and Lake Erie
  • Ice hazard bulletin for Lakes Erie, St. Clair and Huron

CMB South

Transmitted by Sarnia MCTS using transmitter sites located at:
LocationVHF CMB Channel
Leamington 83B
Port Burwell 21B

Includes broadcast of:

  • marine weather forecasts for Lake Huron, Lake St. Clair and Lake Erie
  • marine weather reports for reporting points from Sarnia to Port Colborne
  • ship weather observations
  • Notices to Shipping for St. Clair River, Lake St. Clair and Detroit River and Lake Erie west of 79° 40' W
  • Water levels Lake Huron and Lake Erie
  • Ice hazard bulletin for Lakes Erie, St. Clair and Huron