Great Lakes - Eastern Lake Ontario Marine Forecast and Alerts

Canada

N.America Satellite

North America Color Background Satellite Thumb

Canada Radar

Canada Conditions

Canada 7 Day High and Low Temperatures Forecast

Lightning Strikes Radar

Eastern Lake Ontario

Marine Forecast

Issued 03:00 AM EDT 22 July 2026

Today Tonight and Thursday.

Strong wind warning in effect.

Wind west 20 knots increasing to west 25 early this morning then diminishing to northwest 15 early this evening. Wind diminishing to west 10 near midnight then increasing to southwest 15 near noon Thursday. Wind diminishing to west 10 Thursday evening.

Winds

Issued 03:00 AM EDT 22 July 2026

Today Tonight and Thursday. Strong wind warning in effect. Wind west 20 knots increasing to west 25 early this morning then diminishing to northwest 15 early this evening. Wind diminishing to west 10 near midnight then increasing to southwest 15 near noon Thursday. Wind diminishing to west 10 Thursday evening.

Waves

Issued 03:00 AM EDT 22 July 2026

Today Tonight and Thursday. Waves 1 metre building to 1.5 early this morning then subsiding to 0.5 to 1 this evening. Waves subsiding to 0.5 or less overnight then building to 0.5 to 1 Thursday afternoon.

Ice Forecasts

Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Ontario

Issued 03:00 AM EDT 22 July 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Technical Marine Synopsis

Issued 3:00 AM EDT 22 July 2026 Today Tonight and Thursday At 3:00 a.m. EDT today trough from 991 mb low located on a line
north-south over eastern Ontario.
By 3:00 a.m. EDT Thursday departing trough from 992 mb low located
on a line northwest-southeast over the Gulf of St. Lawrence.

At 3:00 a.m. EDT today ridge located on a line northwest-southeast
over Minnesota.
By 3:00 a.m. EDT Thursday ridge located on a line east-west over
southwestern Ontario.

| 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 © 2026 El Dorado Weather, Inc. | Site Designed By: Webmaster Danny