Great Lakes - Western Lake Ontario Marine Forecast and Alerts

Canada

N.America Satellite

Canada Radar

Current Conditions

Canada 7 Day High and Low Temperatures Forecast

10 Day Forecast

Lightning Danger Radar

Lightning Strikes Radar

Western Lake Ontario

Marine Forecast

Issued 06:30 PM EST 19 December 2025

Tonight and Saturday.

Gale warning in effect.

Wind west 40 knots diminishing to west 20 late overnight then backing to southwest 15 early Saturday morning. Wind backing to south 15 near noon Saturday then increasing to southwest 25 Saturday evening.

Flurries ending overnight. Scattered showers Saturday evening. Visibility as low as 1 mile in flurries.

Winds

Issued 06:30 PM EST 19 December 2025

Tonight and Saturday. Gale warning in effect. Wind west 40 knots diminishing to west 20 late overnight then backing to southwest 15 early Saturday morning. Wind backing to south 15 near noon Saturday then increasing to southwest 25 Saturday evening.

Waves

Issued 06:30 PM EST 19 December 2025

Tonight and Saturday. Waves 3 to 4 metres subsiding to 2 to 3 near midnight and to 0.5 to 1 early Saturday morning.

Weather & Visibility

Issued 06:30 PM EST 19 December 2025

Tonight and Saturday. Flurries ending overnight. Scattered showers Saturday evening. Visibility as low as 1 mile in flurries.

Ice Forecasts

Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.

Warnings (In effect)

Gale warning in effect

Western Lake Ontario

Issued 10:15 PM EST 19 December 2025

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Technical Marine Synopsis

Issued 6:30 PM EST 19 December 2025 Tonight and Saturday At 6:30 p.m. EST tonight departing low 974 mb located over central
Quebec.

At 6:30 p.m. EST tonight ridge located on a line north-south over
western Lake Superior.
By 6:30 p.m. EST Saturday ridge located on a line
northeast-southwest over the Eastern Seaboard.

At 6:30 p.m. EST tonight low 985 mb located over southwestern
Manitoba.
By 6:30 p.m. EST Saturday low 992 mb located northeast of Lake
Superior.

| Mobile

Private Policy | Terms & Conds | | Cookie Policy

Never base any life decisions on weather information from this site or anywhere over the Internet.
Site is dedicated to our Lord & Savior Jesus Christ | Random Quotes of Jesus
Copyright © 2025 El Dorado Weather, Inc. | Site Designed By: Webmaster Danny