Cornwall to Montréal
Issued 08:48 PM EDT 25 July 2021
Tonight and Monday.
Wind light with gusts to 45 knots near thunderstorms late this evening. Wind becoming southwest 15 to 20 Monday morning then diminishing to light Monday evening.
Showers or thunderstorms ending after midnight. Showers Monday afternoon and evening with a risk of thunderstorms. Visibility as low as 1 mile in precipitation.
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Warnings (In effect)
Squall warning in effect
Cornwall to MontréalIssued 9:13 PM EDT 25 July 2021 Squalls with gusts possibly exceeding 45 knots and hail up to 2 centimetres are expected over the area this evening.
Large hail can damage vessels and cause injury. Mariners are advised to prepare for squalls. If underway, seek safe harbour immediately. Consider delaying or postponing travel in areas under the squall warning.
Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Technical Marine SynopsisIssued 3:00 PM EDT 25 July 2021 Tonight and Monday At 3:00 p.m. EDT today departing ridge located on a line north-south
At 3:00 p.m. EDT today trough located on a line north-south over
By 8:00 p.m. EDT Monday trough located on a line northwest-southeast
At 3:00 p.m. EDT today trough located on a line northeast-southwest
over northern Ontario.
By 8:00 p.m. EDT Monday trough located on a line northeast-southwest
over Lake Saint-Jean.
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