Flattop Island is a beach in San Juan Island, WA. Swell scores it 0–100 in
real time from live marine and weather data and rates 16 beach activities
including swimming, surfing, paddleboarding and fishing, with tide times
and a 7-day outlook.
Is Flattop Island good today?
Flattop Island is scoring 64 out of 100 right now, with water 60°F, air 62°F, wind 11 mph. It's rating best for parasailing today.