Maps: Here’s how much wind and rain to expect from Sunday night’s storm

People are seen through a window covered in rain drops as they walk through Union Square.
People are seen through a window covered in rain drops as they walk through Union Square. –(Jessica Rinaldi/Globe staff

The National Weather Service issued widespread wind and flood watches in anticipation of an “impressive” storm system expected to hit southern New England late Sunday.

Parts of coastal New England could see maximum wind gusts of 50 to 70 miles per hour, and heavy rain could also result in flooding, especially in western New England, according to the service’s forecast Sunday morning. Meteorologist Dave Epstein says power outages are “virtually guaranteed” for southern New England due to the heavy winds.

The National Weather Service said Sunday afternoon that “confidence is rising” that hurricane-strength wind gusts would impact the region, particularly in southeastern Massachusetts and Rhode Island.

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A flash flood watch has been issued for the entire region as well.

Here are six maps from the National Weather Service that detail the storm’s predicted impact.

The forecast maximum wind gusts:

Areas under a high wind watch or high wind warning:

Areas under a flash flood watch — everywhere:

 

The excessive rainfall outlook:

excessive rainfall

 

The forecast total precipitation through Monday:

The forecast maximum wave heights: