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Rocna Anchor

by Rocna
£151.05
SKU ANCROCNA4
Weight
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Rocna: Changing the Status Quo

The Rocna anchor was designed by New Zealand sailor Peter Smith, who has been designing, building, and sailing boats since the early 1960’s. Over 100,000 nautical miles of cruising, Peter experienced the same anchoring problems that are still prevalent today – needing to carry a variety of anchors to suit various seabeds, yet still the anchors dragged and boaters felt insecure.

“Your anchor should provide you and your crew with reliability, security, and confidence,” says Peter. A lifetime of nautical experience worldwide was poured into an anchor – initially conceived for Peter’s own use – which became the Rocna.

An Independently Tested New Generation Design

Peter’s solution consistently returns top results in objective and independent testing. Since its launch in 2004, the Rocna has led worldwide anchor tests as published in the likes of SAIL, Yachting Monthly, Practical Boat Owner, Voile, and others. Because of the Rocna’s reliable and convincing performance against its competition, Rocna is trusted to be rock solid in the real world. You don’t need to take our word for it.

For All Who Need Reliability From Performance

Rocna anchors are performing in some of the world’s toughest locales, including Patagonia, Antarctica, Alaska, Greenland, Scotland – as well as enduring temperamental tropical weather. Rocna has “buy-in” from respected boaters whose opinions matter, from Steve Dashew to Jimmy Cornell. Southern latitudes sailing pioneer Jérôme Poncet reports: “It took me years with many trials to achieve, in discovering the Rocna anchor, foolproof holding power…”

Precision Setting

The roll-bar (A) ensures that the anchor always arrives at the ideal angle for penetration, and the setting skids (B) guide the fluke tip (C) which acts as a sharp chisel cutting into the seabed. With a third of the anchor’s weight on its fluke tip, an instant reliable set is ensured with every use.

Rock Solid Holding Power

Of all anchor types, a concave fluke (D) gives the greatest resistance, and through clever design, Rocna provides the largest fluke area possible. In very soft seabeds, this provides the holding power to secure your boat. On hard or weedy sea floors, Rocna’s chisel tip (C) ensures that it cuts through and bites deep.

Maximum Versatility

The Rocna is a true multi-purpose anchor that sets and holds in most seabeds, from soft mud to hard sand, clay, grass, and kelp.

Resistant To Wind And Tide Shifts

A Rocna remains stable and buried, and does not roll out on reversal or veering of load, or if dragged beyond yield, providing enhanced security.

Highest Quality Build And Finish

Compare the welds and finish on a genuine Rocna anchor to alternatives. We believe a top-performing product should be built like one, and we spend a lot of time and resources on production and quality control procedures to ensure that this is the case.

High Tensile Steel Shank (E)

Rocna anchors are designed – and built – for strength and durability.

Self-Deploying And Self-Recovering

The Rocna shank is designed so the anchor self-launches and self-stows on the majority of bow-rollers, with the greatest possible reliability.

Guaranteed For Life

Each Rocna anchor comes with a Lifetime Warranty against both breakage and bending in addition to manufacturing defects.

Competitively Priced With Wide Product Range

Rocna anchors are available in 14 sizes from 4 kg (9 lb) – 275 kg (606 lb) to suit all vessels from small boats to small ships. Larger sizes available on request. Galvanized and stainless steel options are available in all sizes.

Boat Size
 Anchor Size:
To suit boats from:
4 kg
4 m but less than 2 t 
5 m but less than 1 t
7 m but less than 500 kg
6 kg
5 m but less than 5 t 
6 m but less than 3.5 t
7 m but less than 2 t
8 m but less than 1 t
9 m but less than 500 kg
10 kg
7 m but less than 7 t 
8 m but less than 6 t
9 m but less than 5 t
10 m but less than 4 t
11 m but less than 3 t
15 kg
8 m but less than 12 t 
9 m but less than 10 t
10 m but less than 8.5 t
11 m but less than 7 t
12 m but less than 5 t
14 m but less than 4 t
20 kg 
9 m but less than 16 t
10 m but less than 14 t
11 m but less than 12 t
12 m but less than 10 t
14 m but less than 6 t
16 m but less than 3 t
25 kg
10 m but less than 22 t
11 m but less than 20 t
12 m but less than 18 t
14 m but less than 13 t
16 m but less than 9 t
18 m but less than 5 t

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Arthur Beale says: 

"You deserve a good night's sleep when the wind pipes up. So you don't want to worry about your anchor dragging. Arthur Beale now stock two brilliant yacht anchors and an economical solution for those who only occasionally anchor - such as narrow boats using the tidal Thames.


For your main bower, we highly recommend the Rocna. It bites quickly and digs deeper the more you tug. On a recent Arctic voyage all three skippers independently choose Rocna anchors to safeguard their crew in these totally exposed anchorages where katabatic winds have been recorded at 159 kn. If you want a reliable anchor we believe this is the best available. It is now available in a Vulcan version more suited to bow rollers.


For a kedge, the aluminium Fortress is a great choice. In fact its holding power is one of the most impressive available. They are so light they can easily be tossed in the dinghy and rowed out as a kedge if you find yourself stuck on a sand bank as is my occasional misfortune.


For those who occasionally day anchor or who need one for rare tidal trips in their narrow boats we have an excellent anchoring kit with a Danforth style anchor with a nylon warp or a chain and warp."

Photo of Sumara of Weymouth anchored off the Arctic Island of Jan Mayen using a Rocna anchor.

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