WEATHER

environment canada marine weather for lake ontario

RSS Lake Ontario – Marine Weather – Environment Canada
  • Extended Forecast - Western Lake Ontario
    Wednesday: Wind northeast 20 knots backing to northwest 15 in the morning.Thursday: Wind northwest 15 knots increasing to northwest 25.Friday: Wind light.Issued 06:30 PM EST 25 January 2021
  • Waves for Tonight and Tuesday. - Western Lake Ontario
    Waves less than one half metre building to one half metre near midnight and to one and one half metres early Tuesday morning. Waves building to 2 near noon Tuesday then subsiding to one and one half metres Tuesday evening.Issued 06:30 PM EST 25 January 2021
  • Forecast for Tonight and Tuesday. - Western Lake Ontario
    Wind light increasing to northeast 15 knots this evening and to northeast 20 late overnight. Wind increasing to northeast 30 Tuesday morning then diminishing to north 20 Tuesday evening. Snow Tuesday. Visibility 1 mile or less in snow. Issued 06:30 PM EST 25 January 2021
  • Extended Forecast - Eastern Lake Ontario
    Wednesday: Wind northeast 20 knots backing to northwest 15 in the morning.Thursday: Wind northwest 15 knots increasing to northwest 25.Friday: Wind light.Issued 06:30 PM EST 25 January 2021
  • Waves for Tonight and Tuesday. - Eastern Lake Ontario
    Waves less than one half metre building to one early Tuesday morning and to one and one half metres near noon Tuesday.Issued 06:30 PM EST 25 January 2021
  • Forecast for Tonight and Tuesday. - Eastern Lake Ontario
    Wind light becoming east 10 knots this evening then increasing to northeast 20 late overnight. Wind increasing to northeast 25 Tuesday morning. Snow Tuesday. Visibility 1 mile or less in snow. Issued 06:30 PM EST 25 January 2021

grimsby odas buoy

This ODAS (Ocean Data Acquisition System) buoy is owned and maintained by Environment and Climate Change Canada. It is a 3-meter discus buoy located at 43.250 N 79.530 W or about 12 nm north of Grimsby on Lake Ontario. It is a valuable source of real time information on offshore weather conditions for the mariner.

OUT OF SERVICE UNTIL SPRING 

windy.com

Wondy.com is a powerful application which has become the go to tool for sailors around the world. Click on the WIND icon and explore the app. Wind, waves and radar are among the numerous graphics available to Lake Ontario boaters. Forecast data shown below the map is for Oakville Harbour but can be changed by the user.

report from our weather station located at oakville harbour

IMPORTANT: Our weather station provides unofficial data. It should not be relied upon for navigation or planning. Please refer to our Privacy and Legal page.

graphics of today's readings

Compiled: January 25, 2021 at 10:35 pm. Refresh page if outdated.
Wind Strength