Dock Lines for Boats (All You Need to Know)
"Dock lines for boats? Do I need to know about that?" you might be thinking. Well, if you're a boat owner, the answer is a resounding yes! You need the right dock lines to keep your boat safe and secure.
In this comprehensive guide, we'll cover everything you need to know about dock lines, from function, types, and materials to sizes and lengths. We'll even give you tips on how to tie them, so your boat stays put.
The Functions of Boat Dock Lines
The dock lines on a boat serve vital purposes.
First, they keep the boat from floating away from the dock. Second, they help to keep the boat in place, so it doesn't bump into other boats or the dock itself. Third, they can be used to tie the boat to other boats or the dock. Lastly, they can be used as a tow line if the boat needs to be pulled.
Dock lines are essential to boating and are used for various purposes. If you're new to boating, ensure you understand the different types of dock lines and how to use them properly.
What are the Different Types of Dock Lines?
Dock lines are typically made from nylon and can be either braided or twisted.
Braided dock lines are generally stronger and more durable, while twisted dock lines are more flexible and easier to handle. Braided docks lines can be single or double braided, with the latter being the strongest.
Dock lines are also categorized into transient and permanent.
Transient dock lines are used when you're docking at a new location, and they're generally longer so that you can create a wider margin of error.
Permanent dock lines are used at your home dock and are typically shorter since you know the dimensions of your dock and you have a more limited space to work with.
Sizing Dock Lines for your Boat
To properly determine the size of the dock line you need for your boat, you need to consider three factors: diameter, working load limit, and length.
Diameter
Dock lines also come in different diameters to accommodate different-sized boats. For this measurement, the general rule is that for every 9 feet of the boat, you should use a dock line with a diameter of ⅛ inch.
The minimum diameter, however, shouldn’t be below ⅜ inches.
This rule of thumb ensures that your dock line is strong enough to support your boat but not so thick that it's difficult to handle.
Working load limit
Boat dock lines typically have a working load limit, the maximum weight the line can safely support. It is important to choose a dock line with a working load limit that is appropriate for your boat's size and weight.
Length
Your boat's length will typically determine the necessary length of your stern and bow lines as well as your spring lines. Stern and bow lines should be close to ⅔ of the boat's length, with spring lines being equal to the length of your boat. This will ensure that your vessel is properly secured and will not drift away.
How to Properly Use Dock Lines
There are three main stages to using dock lines: throwing to the target, tying the lines, and securing the lines after tying.
Throwing to the target is the first step in using dock lines. To do this, follow these steps:
- Stand at the boat's bow and hold the dock line in your hand.
- Aim for a cleat or other fixed object on the dock that is within reach.
- Throw the line underhand, using a sidearm motion, and release it just before it reaches the object.
The line should land on the object with a small loop around it.
The next step is to tie the dock lines. Many different knots can be used for this, but the most common are the clove hitch and figure eight knot.
For the clove hitch:
- Take the end of the rope in your left hand and make a loop around the object you're tying the knot to.
- Cross the end of the rope over the standing part of the rope, and tuck it underneath.
- Bring the rope's end up and over the top of the loop, and tuck it underneath again.
- Pull on the standing part of the rope to tighten the knot. That's it! You've now tied a clove hitch.
For the figure eight knot:
- Take the end of the rope in your left hand and make a small loop.
- Pass the end of the rope around the standing part of the rope, making sure to cross in the center.
- Now, take the rope's end and pass it through the loop you just created.
- Pull the rope's end tight, and you've tied the figure eight knot!
Once your clove hitch or figure eight knot is tied, it's time to secure the line to the cleat. For this, you will need a second dock line.
First, take the end of the second dock line and thread it through the knot loop. Then, wrap the line around the base of the cleat and tie it off with a stopper knot.
Now your line is secure, and you can relax knowing your boat is safely docked.
Additional Tips For Tying Perfect Dock Lines
- Pick the right rope. The thicker the rope, the more secure it will be. But you also don't want a rope so thick that it's challenging to tie.
- Make sure the rope is the correct length. You don't want the rope to be too short or too long.
- Attach the rope to the cleat. Use a basic knot, such as a clove hitch or a figure eight.
- Pull the rope tight. You don't want any slack in the rope, or it could come loose.
- Make sure the knot is secure. Give it a good tug to make sure it's tight.
What are some common mistakes people make with dock lines?
One mistake people often make is using lines that are too short. This can cause your boat to rub against the dock, which can damage both the boat and the dock.
Another mistake is using lines that are too thin. This can cause the lines to break under the strain of the boat.
People also tend to make the mistake of not using enough speed when throwing a dock line to a target is not using enough speed. The dock line must travel quickly enough to wrap around the target and provide enough tension to hold the boat in place.
In addition, many people fail to use enough spin when throwing dock lines to target. When the dock line is spun, it provides additional lift, which helps it to reach the target. Spin also helps to keep the dock line from getting tangled.
The last mistake is not using the proper knots. The cleat hitch and the bowline are the preferred knots for dock lines.
How can I prevent my dock lines from chafing?
Here are some tips to prevent your dock lines from chafing:
- Use dock line chafe guards. These are either small mats or sleeves that you slide over your dock lines.
- Make sure your dock lines are the right size. If they're too big, they can sag and rub against the dock, which will cause chafing.
- Take care when tying your dock lines. Ensure the knots are tight and secure but don't cinch them down too tight.
- Check your dock lines regularly for signs of chafing. If you see any, address the issue right away to prevent further damage.
How can I extend the life of my dock lines?
If you're like most boaters, you probably don't give much thought to your dock lines until it's time to use them. But did you know that there are a few simple things you can do to extend the life of your dock lines? Well, here are a few:
- Always inspect your dock lines before using them. Look for fraying or other signs of wear and tear. If you see any damage, replace the line.
- When not using your dock lines, store them in a cool, dry place out of direct sunlight. This will help prevent them from drying out and cracking.
- When ready to use your dock lines, secure them on correctly. If you're not sure how, ask a friend boater for help.
- Clean your dock lines with fresh water after a few months of use. This will help remove salt and other debris that can damage the lines.
How many dock lines should you have on board?
When it comes to dock lines, more is always better. Having extra dock lines on board means always being prepared, no matter the situation. Generally, it's a good idea to have at least two stern lines, two bow lines, and two spring lines.
RELATED CONTENT AND MARINE SUPPLIES
![Ritchie SS-5000 SuperSport Compass - Flush Mount - Black [SS-5000] - Themarineking](http://themarineking.com/cdn/shop/products/10352XL_{width}x.jpg?v=1648575359)