Commercial Shipping

Closing of 2012 Seaway Navigation Season

• Radio Messages
• Seaway Notice No. 12

Weather Information:

• Accumulated Degree Days (Dorval)
• Accumulated Degree Days (St. Catharines)
• Water Temperatures
• Weather Forecasts
  • The Weather Network: 14 Day Trend – Dorval
  • The Weather Network: 14 Day Trend – St. Catharines
  • Environment Canada: 30 day Temperature Forecast
  • NOAA: Monthly Temperature Forecast
• Freeze-up Forecast

Ice Information:

• Environment Canada Ice Reconnaissance
• Ice charts for the Saint Lawrence River - Quebec Region - Coast Guard

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