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Winds will be strongest along the south, east, and north coasts of Newfoundland, with gusts of 90-100+ km/h.

Baron - Atlantic Canada winds Tuesday evening - Nov3

Gusts exceeding 110 km/h are possible, especially around Sable Island and southeastern coastal Newfoundland, including St. John’s and the Avalon Peninsula. Wind warnings are in effect.

The most recent gust over 100 km/h in St. John’s occurred on February 15, while the last gust exceeding 110 km/h was recorded on January 5.

Baron - St. Johns winds - Nov3

Wet snow may also develop in higher elevations in western Newfoundland and Labrador.

Localized flooding and coastal erosion a threat

Rainfall accumulations of 50-75 mm are expected in Cape Breton and along the Burgeo coast, with widespread amounts of 30-50 mm across the Avalon Peninsula.

Baron - Atlantic Canada rain - Nov3

Impacts may include power outages, downed trees, minor structural damage, localized flooding in Cape Breton and Newfoundland, as well as coastal erosion due to large waves reaching 7-8 metres.

Stay updated as this system develops. Weather conditions may present risks for travel and infrastructure in the region.

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Stay tuned to The Weather Network for the latest forecast updates for Atlantic Canada.