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 45 out of 100 right now, with water 55°F, air 47°F, wind 5 mph. It's rating best for bonfire today.