High Surf Advisory

Full Alert Message

Coastal Hazard Message National Weather Service Boston/Norton MA 313 PM EDT Mon Aug 18 2025 ...HIGH SURF ADVISORY IN EFFECT FROM 8 AM TUESDAY TO 8 PM EDT THURSDAY... * WHAT...Large breaking waves increasing each day, peaking Thursday with waves of 4 to 8 feet expected in the surf zone. * WHERE...Southern Plymouth MA and Barnstable MA Counties. * WHEN...From 8 AM Tuesday to 8 PM EDT Thursday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced swimmers should remain out of the water due to dangerous surf conditions.