North Down Swell ForecastUnited KingdomNINorth Down1.6 mNNWGroomsport1.6 m, NNW1.6 mNNWHelen's Bay1.6 m, NNWBallyholmeBallymacormick PointCrawfordsburn BeachGroomsportHelens BayOrlock PointSmelt Mill BaySwineley Bay