Heavy rain is not something we need in southern New Brunswick, but we could see more of it on Friday.

Environment Canada has issued a special weather statement for areas along the Fundy coast.

That includes Saint John and County, Grand Manan and coastal Charlotte County, and Fundy National Park.

Forecasters say a trough of low pressure will bring periods of heavy rain with embedded thunderstorms.

Rainfall totals of between 30 and 50 millimetres are expected, with higher amounts possible in thunderstorms.

“There remains uncertainty in where the heaviest rain will fall,” the weather agency said, adding rainfall warnings may need to be issued.

Areas further away from the coast will also see rain on Friday, though totals will be less significant.

Between 15 and 30 millimetres of rain is forecast for the Kennebecasis Valley and Sussex, while St. Stephen and northern Charlotte County is only expecting around 10 millimetres.