from the level of high water at Old Castle Point in the district of Medina (position latitude 50°45'.941 North, longitude 01°16'.553 West) in a north north-easterly direction for a distance of 6086 metres and thence along the boundary of the existing area of jurisdiction to a point on the level of high water at Hill Head in the district of Fareham (position latitude 50°48'.983 North, longitude 01°14'.583 West);

from the position last mentioned in paragraph (a) along the level of high water to Gilkicker Point on the western side of the entrance to Portsmouth Harbour (position latitude 50°46'.402 North, longitude 01°08'.368 West);

from the position last mentioned in paragraph (b) to the Outer Spit Buoy (position latitude 50°45'.547 North, longitude 01°05'.410 West);

from the position last mentioned in paragraph (c) to the Horse Sand Fort (position latitude 50°44'.972 North, longitude 01°04'.253 West);

from the position last mentioned in paragraph (d) to the Chichester Bar Beacon, (position latitude 50°45'.890 North, longitude 00°56'.390 West);

from the position last mentioned in paragraph (e) to a point on the level of high water due south of Selsey Bill in the district of Chichester, (position latitude 50°43'.197 North, longitude 00°47'.228 West);

from the position last mentioned in paragraph (f) to a point one nautical mile due south of that position (position latitude 50°42'.197 North, longitude 00°47'.228 West);

from the position last mentioned in paragraph (g) to a point south of Nab Tower (position latitude 50°40' North, longitude 00°57' West);

from the position last mentioned in paragraph (h) to a point on the level of high water at Culver Cliff in the district of South Wight (position latitude 50°40' North, longitude 01°05'.653 West);

from the position last mentioned in paragraph (i) along the level of high water to the point of commencement at Old Castle Point mentioned in paragraph (a).

from the level of high water at Egypt Point in the district of Medina (position latitude 50°46' North longitude 01°18'.75 West) in an easterly direction to where latitude 50°46' North intersects the boundary of the eastern added area (position latitude 50°46' North longitude 01°16'51 West);

from the position last mentioned in paragraph (a), in a north-easterly direction along the boundary of the eastern added area for a distance of 142 metres to a point on the boundary of the existing area of jurisdiction (position latitude 50°46'.07 North, longitude 01°16'.46 West);

from the position last mentioned in paragraph (b) in a northerly direction, then in a west north-westerly direction, then in a west south-westerly direction, and then in a south westerly direction along the boundary of the existing area of jurisdiction to the point of commencement mentioned in paragraph (a) above.