Water safety

Read the water before you swim

A beach can look calm in a photograph and behave very differently at the waterline.

8 minute read · Updated September 2026
Haystack Rock rising from the sand at Cannon Beach, Oregon
Haystack Rock rising from the sand at Cannon Beach, Oregon. Photo: Dima Sergiyenko (credited on Commons as “DiscoverWithDima”) / Wikimedia Commons

Begin with local authority signals

Flags, closures, lifeguard instructions and marine warnings outrank any website summary. Conditions can change after a page is published or even during one visit.

Watch before entering

Spend several minutes observing sets of waves, lateral movement, gaps in breaking surf and where other swimmers are entering. A calm-looking channel can be a current moving away from shore.

Know when a beach is for looking

Some famous beaches are poor swimming beaches. Reynisfjara is valuable precisely because it demonstrates the difference between scenic coastline and safe water access.