Sargassum at Cannon Beach (John Pennekamp) today
Thursday, October 22, 2026 · calculated 56 min. ago · satellite from Oct 21
Now
Clean
Sargassum Meter 0 of 10
0 = no sargassum · 10 = beach covered. How we measure
17 km/hWind
No dataWaves
No dataWater
7-day forecast
Monday to Wednesday: trend, not a firm forecast
Dashed: trend
Today's reports
No reports yet today. Will you tell us?
Frequently asked questions
What time is there least sargassum at Cannon Beach (John Pennekamp)?
It depends on wind and tide: with an onshore wind more sargassum reaches the shore as the day goes on, so early morning is usually best. Today, October 22, 2026, Cannon Beach (John Pennekamp) reads 0 out of 10 (Clean) with wind 17 km/h.
Can you swim at Cannon Beach (John Pennekamp) today?
Today, October 22, 2026, Cannon Beach (John Pennekamp) is clean (0 out of 10): there is no sargassum in the way. Always follow the lifeguard flags.
How is the Sargassum Meter calculated?
We combine satellite imagery and wind data with community reports into an index from 0 to 10: clean up to 3, moderate up to 6 and heavy sargassum from 7.
How we measure
Learn more
Read the guides before you go, or see how the meter is worked out.
Are you at Cannon Beach (John Pennekamp)?
Your report helps whoever is on their way.
Report how it isTell me when it changes