Forty low-cost sensors along the shoreline feed live wind and surge data to forecasters every minute.
Officials said the decision followed months of public meetings, surveys and a detailed review of costs and benefits. Residents who spoke at the final session were largely supportive, though several asked for clearer timelines.
Work is expected to begin in phases so that existing services are not disrupted. A public dashboard will track spending and milestones, and quarterly updates will be posted online.
Local business groups welcomed the news, saying improved access and amenities tend to bring more foot traffic. Critics want firm guarantees on maintenance budgets in future years.
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