OceanWaveSail Free Searchable Sailboats Database


Southerly 42 RST is a Offshore deck saloon cruising sailboat built by Northshore and designed by Humphreys Yacht Design. Her first hull was built in 2007 and a Deck stepped mast mast configuration.

Compare Sailboats

SOUTHERLY 42 RST Sailboat Specifications​


Overall Length (LOA) m / ft12.86 m / 42.19 ft
Builder(s)Northshore Yachts Ltd
Designer(s)Humphreys Yacht Design
categoryOffshore deck saloon cruising sailboat
CountryUnited Kingdom
Hull TypeMonohull
First Hull Built2007
Last Hull Built2017
AppendagesLifting keel swing keel
HelmTwin helm wheels
RudderTwin spade rudders
CockpitOpen aft cockpit
Rigging TypeSloop Marconi fractional
Mast LayoutDeck stepped mast
Number of Head(s)2
Freshwater Tank Capacity lt/gal270 L / 71.3 gal
Ballast Ratio32.62


Overall Length (LOA) 12.86 m / 42.19 ft
Hull Length12.86 m / 42.2 ft
Waterline Length (LWL)11.11 m / 36.6 ft
Beam (width)4.03 m / 13.2 ft
Draft2.72 m / 8.11 ft
Light Displacement (MLC) 11341 kg / 25003 lb
Maximum Displacement11250 kg / 24802 lb
Ballast Weight3670 kg / 8091 lb


Critical Hull Speed8.09 knots
Capsize Screening Formula (CSF)1.82
Comfort Ratio32.25
Displacement-Length Ratio (DLR)234
Ballast Ratio32.62
Sail Area to Displacement14.92
Upwind Sail Area to Displacement14.58 m²/T / 157 ft²/T

Above Deck

Mast LayoutDeck stepped mast
Mast Height from DWL18.73 m / 61.6 ft
Rotating SparsNo
Number of Levels of Spreaders2
Spreaders AngleSwept-back
Spars ConstructionAluminum spars
Standing Rigging1x19 strand wire
Reported Sail Area73.39 m² / 790.00 ft²
Upwind Sail Area73.62 m² / 792 ft²
Mainsail Area43.44 m² / 468 ft²

Engine Room

Engine(s)1 inboard engine
Engine(s) Power57 HP
Fuel typeDiesel
Fuel Tank Capacity300 L / 79.3 gal

Below Deck