Skip to content
Nautical Know How
  • Our Courses

      All our courses are engaging, interactive and fun! Whether formal training or simply looking to brush up, we take online learning to the next level.

    • Sailing EssentialsFreeA free course great for anyone who spends time on the water.
    • Essential Navigation & SeamanshipA great introduction to navigation and basic seamanship.
    • Day Skipper TheoryMany of the best skippers started their journey here.
    • Coastal Skipper / Yachtmaster® TheoryComing SoonEssential preparation for the Yachtmaster® practical exam.
    • SRC (VHF) Marine Radio CourseAn essential course for anyone intending to use a marine radio.
  • Directory

      Are you looking for something nautical related? Our directory is an extensive list of courses and places associated with the marine industry. Hop over and search now.

    • Places
      Find anywhere nauctical, including marinas u0026 training centres. If it exists, we’ve got it listed!
    • Courses
      We help you navigate through the complex world of training and help find what’s best for you.
  • Know-How

      We believe every day’s a school day on a boat! That’s why we built Nautical Know-How, dedicated to answering your questions. Even better, if it can’t answer your question immediately, you can request it, and we’ll add it to our knowledge base.

    • Nautical Terms & Terminology
      Understanding the language of the marine world is like trying to learn a pirate’s secret code while juggling fish. Let us explain why a sheet isn’t for your bed, why “heave ho” doesn’t mean throw up (most of the time), and why “dead reckoning” is surprisingly less ominous than it sounds.
    • Why do we have tides?
      Have you ever wondered what causes the tides? Check out this video, which introduces the forces that create the tides we experience on Earth.
    • What causes our weather?
      A video introducing the drivers behind our weather, part of our RYA Day Skipper u0026 RYA Coastal Skipper / Yachtmaster® Offshore theory courses.
    • Buoyage Flashcards
      Flashcards designed to help remember the buoys in the IALA system. If you want to learn them in detail, our module ‘Getting in and out of harbour‘, covers the IALA system and different buoys used.
    • Interactive Rule Book (COLREGs / IRPCS)
      Whether you’re a novice sailor or a seasoned skipper, we can help you navigate the IRPCS confidently and clearly. Our easy-to-use, easy-to-understand, plain English rule book with helpful interpretations of what each rule means.
    • The Salty Sea Blog
      From salty old sea dogs to fresh-faced deckhands, this blog is for anyone who finds peace, adventure, and a bit of mischief on the water. So hoist the main, set your course, and let’s sail into the stories, lessons, and musings that make life on the sea so irresistible.
  • Chandlery
Sign In Join now—it’s Free
Nautical Know How
  • Our Courses

      All our courses are engaging, interactive and fun! Whether formal training or simply looking to brush up, we take online learning to the next level.

    • Sailing EssentialsFreeA free course great for anyone who spends time on the water.
    • Essential Navigation & SeamanshipA great introduction to navigation and basic seamanship.
    • Day Skipper TheoryMany of the best skippers started their journey here.
    • Coastal Skipper / Yachtmaster® TheoryComing SoonEssential preparation for the Yachtmaster® practical exam.
    • SRC (VHF) Marine Radio CourseAn essential course for anyone intending to use a marine radio.
  • Directory

      Are you looking for something nautical related? Our directory is an extensive list of courses and places associated with the marine industry. Hop over and search now.

    • Places
      Find anywhere nauctical, including marinas u0026 training centres. If it exists, we’ve got it listed!
    • Courses
      We help you navigate through the complex world of training and help find what’s best for you.
  • Know-How

      We believe every day’s a school day on a boat! That’s why we built Nautical Know-How, dedicated to answering your questions. Even better, if it can’t answer your question immediately, you can request it, and we’ll add it to our knowledge base.

    • Nautical Terms & Terminology
      Understanding the language of the marine world is like trying to learn a pirate’s secret code while juggling fish. Let us explain why a sheet isn’t for your bed, why “heave ho” doesn’t mean throw up (most of the time), and why “dead reckoning” is surprisingly less ominous than it sounds.
    • Why do we have tides?
      Have you ever wondered what causes the tides? Check out this video, which introduces the forces that create the tides we experience on Earth.
    • What causes our weather?
      A video introducing the drivers behind our weather, part of our RYA Day Skipper u0026 RYA Coastal Skipper / Yachtmaster® Offshore theory courses.
    • Buoyage Flashcards
      Flashcards designed to help remember the buoys in the IALA system. If you want to learn them in detail, our module ‘Getting in and out of harbour‘, covers the IALA system and different buoys used.
    • Interactive Rule Book (COLREGs / IRPCS)
      Whether you’re a novice sailor or a seasoned skipper, we can help you navigate the IRPCS confidently and clearly. Our easy-to-use, easy-to-understand, plain English rule book with helpful interpretations of what each rule means.
    • The Salty Sea Blog
      From salty old sea dogs to fresh-faced deckhands, this blog is for anyone who finds peace, adventure, and a bit of mischief on the water. So hoist the main, set your course, and let’s sail into the stories, lessons, and musings that make life on the sea so irresistible.
  • Chandlery
Sign In Join now—it’s Free
Published:25th October 202411th February 2025 Last Updated:11th February 2025
General Nautical Terminology

Port

The left-hand side of a vessel when facing forward towards the bow.

The term “port” is used in maritime navigation to refer to the left side of a ship or boat when one is facing the bow (the front of the vessel). This term is essential for ensuring clear communication and avoiding confusion, especially in situations where precise directional instructions are required, such as during docking, manoeuvring, or navigating in congested waters. The opposite of “port” is “starboard,” which refers to the right-hand side of the vessel. 

Historically, the term “port” replaced the older term “larboard,” which was deemed too phonetically similar to “starboard,” leading to potential miscommunication. The word “port” likely originated from the practice of docking ships with the left side against the port or harbour, as the steering oar (before the advent of the rudder) was traditionally mounted on the right-hand side of the vessel, making it easier to dock on the left.

In modern navigation, the port side is often marked with red lights or markers, while the starboard side is marked with green. This colour-coding is crucial for night-time navigation and for identifying the orientation of other vessels at sea. Understanding the distinction between port and starboard is fundamental for anyone involved in maritime activities, as it ensures that all crew members and navigators are on the same page when discussing directions and manoeuvres.

Related Content:
  • Do I Need a Licence to Skipper a Yacht?
  • Don’t put all your eggs in one basket!
  • Free Resources
  • Pilotage Notes
  • Signalling & Communication
Alternative Meanings:
  • Port

    A Harbour or docking facility where vessels load and unload cargo or passengers. 

    A port is a designated location along a coast, river, or other navigable waterway where vessels can berth for commercial, logistical, or passenger operations. Ports vary in size and function, with some serving as major international trade hubs while others cater to local or regional traffic. They typically include infrastructure such as piers, docks, warehouses, cranes, and customs facilities to support maritime activities. Ports may be natural, taking advantage of sheltered bays or estuaries, or artificially constructed with breakwaters and dredged channels to accommodate larger ships. Some ports specialise in specific types of cargo, such as container ports, oil terminals, or fishing harbours. In addition to commercial ports, there are also naval ports that serve military vessels and marinas that cater to recreational boating. The efficiency and capacity of a port significantly impact global trade and transportation, making them critical to economic activity.

    What's the difference between a Harbour and a Port?

    Port

    A port is a facility within a harbour (or along a coast) that has the infrastructure to support commercial or recreational shipping operations.

Quick Links

  • Join NowJoin now and get access to great content and free courses.
  • Nautical Know HowEverything nautical, explained simply.
  • Contact UsGet in touch, we love talking to people on our wavelength.

RYA Recognised Training Centre No: 9205672

Crafted with

Made with love

by My Sailing Course

Follow us:

  • Facebook
  • Instagram
  • X
  • TikTok
  • YouTube

Running on

Powered by

© 2025 – My Sailing Course (Part of The Sailing Business Ltd) | Terms & Conditions | Privacy Policy | Partnership Programme

Join for Free!

Join for free and get access to lots of resources and downloads, including our Sailing Essentials course.

Forgot Password?
Sign In or Register using your Social ID
Please wait. Signing you in...
Sign In or Register using your Social ID
Please wait. Signing you in...
Lost your password? Please enter your email address and you will receive a link to create a new password.

  • Share on Facebook
  • Share on WhatsApp
  • Share on LinkedIn
  • Share on X
  • Email this Page
Results for: {phrase} ({results_count} of {results_count_total})
Displaying {results_count} results of {results_count_total}

More results...

Exact matches only?
Search Titles
Search Content
Content Type:
Search All
Search Downloads
Search Glossary Terms

Filters

Show Filters

Results

  • Sign In
  • Register
Forgot Password?
Sign In or Register using your Social ID
Please wait. Signing you in...
Sign In or Register using your Social ID
Please wait. Signing you in...
Lost your password? Please enter your email address and you will receive a link to create a new password.
body::-webkit-scrollbar { width: 7px; } body::-webkit-scrollbar-track { border-radius: 10px; background: #f0f0f0; } body::-webkit-scrollbar-thumb { border-radius: 50px; background: #dfdbdb }