It depends. If you are anchoring a large commercial dock, the weight should be around 4000 to 5000 pounds, using multiple anchors. Smaller docks should be around 500 to 1000 pounds just using 1 or 2 anchors.
dock
Put two Pipes with Pipe sleeves at the back of the dock and counter balanced anchors on each corner of the front of the dock.
On the dock and away from the boat
On the dock and away from the boat
On the dock and away from the boat
They should be on the dock away from the boat.
They should be on the dock away from the boat.
They should be on the dock away from the boat.
If the wind is at your back, you should approach the dock at a shallow angle (10°-20°), then stop the boat and allow the wind to drift the boat into the dock.
The bow
The bow
The one going to the boat.