RNAS Portland Heliport Airport Tide Times and HeightsUnited KingdomSWDorsetRNAS Portland Heliport AirportRNAS Portland Heliport Airport does not have Tides data. Select a nearby location from below.0.4km away Balaclava Bay Dorset0.4km away Portland Dorset1.1km away Fortuneswell Dorset1.7km away Grove Dorset1.7km away Portland Harbour Dorset2.6km away Chesil Cove Dorset3.2km away Church Ope Cove Dorset3.3km away Weston Dorset4.1km away Freshwater Bay Dorset4.3km away Newton's Cove Dorset