43°9'P / 79°28'L / Korkeus 104 m / 17:45 09.05.2026, America/Toronto (UTC-4)
Alkaen: 09.05.2026, 15:24
To: 09.05.2026, 21:01
Conditions are favourable for the development of squalls with wind gusts up to 35 knots and frequent lightning. A line of thunderstorms is moving east at 30 knots and will reach the area this afternoon or evening. ### Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Western Lake Ontario
Vessels without lightning protection should make their way to shore immediately. Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.
Environment Canada
09.05.2026, 17:03
Alkaen: 09.05.2026, 17:16
To: 09.05.2026, 22:59
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St. Catharines - Grimsby - Northern Niagara RegionEnvironment Canada09.05.2026, 17:18