Weems & Plath navigation tools

Weems & Plath Ultralight Navigation Compass is an indispensable tool for every navigator. It's the best-selling tool in our collection for good reason. Made of coated marine aluminum to resist corrosion and designed for maximum precision. The unique center adjustment knob allows for one-handed operation, whether you're working manually or using the gear wheel.

With interchangeable stainless steel points or pencil leads, you can easily transform the compass into a compass. This makes it ideal for both classic navigation and modern applications. Reliable, robust, and designed for long life.

You can open and close this classic navigation compass with brass handles using one hand, leaving your other hand free for the chart or parallel ruler. The tapered shape and polished stainless steel points ensure precise measuring on the nautical chart. At 7 inches (178 mm), it is compact and ideal for detailed chart work.

A compact plotter made of transparent acrylic, approximately 184 mm | 7¼ inches long, for transferring GPS positions onto a paper nautical chart. The locking knob secures the plotter, the finger holes make sliding it across the chart easy, and the degree scale can be read directly. Supplied with a protective sleeve including instructions, useful if you are not yet familiar with this method.

A manual chart plotter for plotting GPS coordinates on a paper nautical chart. It combines the functions of a plotter, protractor, and parallel ruler into a single instrument, allowing you to work on the chart with fewer loose tools. Made of acrylic, stainless steel, and brass, and supplied with a protective case including instructions.

This classic navigation divider with brass handles opens and closes with one hand, leaving your other hand free for the chart or parallel ruler. The tapered shape and polished stainless steel points ensure precise measuring on the nautical chart. At 8 inches (203 mm), you have more range on large charts.

A straight brass navigation compass with polished stainless steel points, for measuring distances and plotting courses on a nautical chart. The tension is adjustable, so the legs move with exactly the amount of resistance you prefer and do not shift on their own. At 8 inches (203 mm), it provides greater reach on large charts, and its sleek design also makes it a handsome desk accessory.

The Ten Point Divider is a 6-inch (152 mm) stainless steel divider with eleven numbered points that allow you to divide a distance into a maximum of ten equal parts. On a nautical chart, you use it to interpolate between isobars, divide distances, or plot time units, and for technical drawing purposes as well. It comes in a black zippered case.

Accuracy begins with the right tools. With this Weems & Plath straight compass, you'll be in your element, whether you're a seasoned navigator or a pioneer charting, and you'll be on course. These 7- or 8-inch straight compasses will help you set your course effortlessly. Made of brass with polished stainless steel tips for precision and durability, the adjustable tension allows you to fine-tune it to your exact specifications. An essential navigational instrument for at sea or on land. And it looks great on your desk thanks to its sleek, elegant design.