How heavy will the snowfall be in South Jersey? Largely it depends on where you live, according to a new map. The National Weather Service has released a new map to show a major dividing line in Cape May County about how significant the snowfall is. There has been some divide in the models forecasters use, with one that many forecasters trust staying with heavy snow in South Jersey, but other models saying less snow in South Jersey. The National Weather Service says Cape May County could see anywhere from five inches to a foot of snow. Because the dividing line is so close, most people in South Jersey can just about expect anything from this storm. It could be a huge snowstorm, and it could just provide some decent snowfall.