Fall nor’easter futurecast: Timeline of impacts in Mass. from powerful weekend storm

Key Points:

• A powerful nor’easter will impact Massachusetts from Friday through the weekend, bringing hazardous coastal conditions, strong winds, and heavy rain, with the greatest concerns along the coast including flooding, beach erosion, and large waves.
• Coastal flood watch and high surf advisory are in effect, with waves expected between 6 to 17 feet and minor coastal flooding up to one foot during high tides, alongside moderate to severe beach erosion.
• Winds will peak Friday night into Saturday, with sustained coastal winds of 15 to 30 mph and gusts up to 60 mph on Cape Cod and the Islands; inland areas will experience gusts of 30 to 40 mph with possible isolated tree damage and power outages.
• Rain will begin Friday afternoon in southeastern Massachusetts and continue through the weekend, with coastal areas potentially receiving 2 to 6 inches and inland areas 1 to 2 inches, though flash flooding risk remains limited due to gradual rainfall.
• Residents are advised to monitor forecasts closely, avoid coastal areas during rough surf and high tides, and prepare for a prolonged weather event with significant coastal hazards lasting through Sunday.