Groundswell Safety

Groundswell helps Long Island beachgoers and hikers check current conditions, active hazards, and community reports before heading outdoors. BEACH CONDITIONS • View available wave height, water temperature, wind, tide, and rip-current information • See the source and freshness of available condition data • Explore beaches on an interactive map TRAIL INFORMATION • Review trail distance, difficulty, elevation gain, estimated time, and weather conditions • View a featured route with live location progress when available • See community-submitted trail hazards and updates OFFICIAL ALERTS • View active National Weather Service alerts relevant to Long Island • Check marine, heat, storm, coastal, and other weather-related advisories • Clearly distinguish official alerts from community reports COMMUNITY SAFETY • Submit current beach or trail hazard reports • Share updates through location-specific community chat • Report inappropriate content and block users • Choose a public username without displaying your email address Groundswell combines official information, weather estimates, and community-submitted observations. Data availability varies by location and source. Community reports are not official alerts and may not be independently verified. Groundswell is provided for general informational purposes only. Conditions can change rapidly. Always follow posted signs, lifeguards, park staff, emergency services, and official government guidance. Never rely on the app as your only source of safety information.