Today is the calm before the storm and you should prepare for what's to come tomorrow. A Winter Storm Warning is now in effect for portions of northern New Jersey and southeast Pennsylvania. A High Wind Watch is now in effect for the coastal strip of New Jersey and Delaware.Starting at 10 a.m. Wednesday morning, a winter storm warning is in effect for at least seven northern Jersey counties, with forecasters now predicting up to 24 inches of snow accumulation. Mt. Holly forecasts a huge gradient across the city with 6" near the airport and 10-12" in northeast. A mix of snow, sleet, and freezing rain is possible with potential for significant impacts to travel between the I-78 and I-95/295 corridors. A coastal flood watch has also been issued for the Jersey Shore, as residents can expect to see minor to moderate flooding near coastal and bayside communities, forecasters said. Many roadways may become blocked and damage to vulnerable structures may occur, due to strong winds and gusts up to 50 mph in some areas. Follow NWS Mt. Holly on Twitter.