Two weather systems could bring heavy rain, strong winds and coastal storm surge to New Brunswick over the coming days.

Hurricane Fiona is expected to merge with another system and become a “hurricane-force post-tropical cyclone”on Saturday, according to Environment Canada.

Forecasters said the storm is quite large, so the exact path is still not certain, but the impacts will be felt in “multiple provinces.”

Jill Maepea, a meteorologist at Environment Canada, said heavy rain is forecast to begin on Thursday.

Maepea said the impacts of Fiona will be felt Friday night into Saturday in New Brunswick.

Right now, we are probably expecting the worst conditions to be in the southeastern part of the province. Moncton is likely to be negatively affected as well as all of the eastern coastline of New Brunswick,” Maepea said in an interview on Wednesday.

Environment Canada issued a special weather statement on Wednesday morning for much of Atlantic Canada, including the following regions in New Brunswick:

• Acadian Peninsula
• Bathurst and Chaleur Region
• Fundy National Park
• Grand Lake and Queens County
• Kent County
• Kouchibouguac National Park
• Miramichi and area
• Moncton and Southeast New Brunswick
• Saint John and County
• Sussex – Kennebecasis Valley and King County

Maepea said it looks like eastern Nova Scotia, eastern Prince Edward Island, the Magdalen Islands, and southwestern Newfoundland and Labrador will be hardest hit.

Moncton will likely see the worst conditions in New Brunswick, she said, while Saint John and Charlotte County will be largely spared from the worst of it.

Maepea suggested it would be a good idea to prepare for the weather now.

“Prepare for multiple days of power outages now,” she said.

Environment Canada said residents should have enough food and water for up to 72 hours, ensure their cell phones are charged, and secure or remove any outdoor furniture.

The weather agency said flooding and washed-out roads are likely in some areas.

With files from Brad Perry and Kevin Northup