Members' Online Book: Navigation and Marine Electronics, Chapter 19 of 20

Navigation in Fog, Part 3—Underway

Fog overtakes this schooner in Maine.

Fog overtaking a schooner in Maine.

After preparing ourselves and our boat, we’re underway at last. The forecast warned of fog banks, but so far the visibility is clear and we’re enjoying the views. But we know it can’t last and we’re watching for any signs that might forewarn us that fog is on its way, such as:

  • Visible banks on the horizon.
  • Condensation forming on metal objects on deck.
  • Breath condensing.
  • Atmospheric phenomena caused by temperature inversion such as the ‘Fata Morgana’ where distant objects appear distorted, sometimes appearing in the sky upside down.
Atmospheric effects may warn of fog forming

Atmospheric effects may warn of fog forming.

Please to read more HELP. (Or Join Today)

Please Share

Meet the Author

Colin

Colin, European Correspondent here at AAC, is a deeply experienced offshore sailor who holds a Yachtmaster licence, and a gifted photographer and talented writer who has added a whole new dimension to Attainable Adventure Cruising. In addition, since Colin and Louise are from England and had their OVNI 435, Pèlerin built in France, they bring a European perspective to our site. You can read more about Colin and Louise and their business at their website.

30 comments… add one

Only logged in members may comment: