Category: Meteorology and Oceanography for Bluewater Sailors

What do I need to perform weather routing calculations on a sailboat?, basic weather routing procedure (step by step), weather routing tools and final considerations.

What is a GRIB weather file?, weather models that provide GRIB weather files, How to obtain GRIB weather on board? and considerations on the use of GRIB weather on board.

Description of the analysis of weather on a sailboat, long term (Pilot Charts, publications, climatology), and short term (surface isobar maps and 24/48/72 hour forecasts, GRIB files, Passage Weather, weather warnings (GMDSS) and Weather Routing).

ON-LINE Glossary of terms most commonly used internationally in relation to floating ice (sea ice and land ice) at sea, in relation to navigation. Includes a short description of the meaning of each of the terms.

General wind circulation in the North Atlantic, NE trade winds, equatorial calms (doldrums), tropical calms (horse latitudes), polar winds, squalls and their associated fronts and tropical cyclones (hurricanes).