Suffolk County Swell ForecastUnited StatesMASuffolk County2.3ftSOuter Brewster Island2.3ft, S3ftSSEWinthrop Beach3ft, SSEBoston LightCalf IslandCherry Island BarCrescent BeachGreat Brewster IslandGreen IslandGrovers CliffLittle Calf IslandMiddle Brewster IslandOuter Brewster IslandRevere BeachShag Island RocksShort BeachThe Five SistersThe GravesWinthrop BeachWinthrop HeadYirrell Beach