oceansafety.info
Know Before
You Go 🌊
Real-time swell conditions and safety information for Northern California beaches. Select your beach below.
This site displays publicly available NOAA buoy data and National Weather Service advisories. It is provided for informational purposes only and does not constitute safety advice. Data may be delayed, incomplete, or inaccurate. Conditions at the water can differ from buoy readings. This tool does not account for all hazards. Use your own judgment. When in doubt, stay out.
Live Conditions
⚠️
Read the swell period before you approach the water. Any swell period above 15 seconds means danger. Waves travel in sets separated by long, quiet intervals — sometimes up to 20 minutes of calm. During the quiet periods between sets, energy is building offshore.
San Mateo County
Thornton State Beach
Daly City · Bluffs
Mussel Rock
Daly City · Rock Shelf
Rockaway Beach
Pacifica · Sandy
Linda Mar
Pacifica · Sandy
Gray Whale Cove
Montara · Cove
Montara State Beach
Montara · Sandy
Francis Beach
Half Moon Bay · Sandy
Cowell Ranch
Half Moon Bay · Remote
Pomponio Beach
San Gregorio · Sandy
San Gregorio
San Gregorio · Sandy
Pescadero Beach
Pescadero · Sandy/Rocky
Bean Hollow
Pescadero · Tide Pools
Pigeon Point
Pescadero · Headland
Año Nuevo
Año Nuevo · Reserve
San Francisco County
Marin County