Weather at Sea

Weather Presentation  - Causes, fronts, passage of a depression, forecasts, synoptic charts, etc - all you need to know for RYA Day Skipper and Yachtmaster.

Take the test - Yachtmaster and Day Skipper Weather quiz

Clouds and weather on one page - Clouds and weather forecasting

Synoptic Charts  from UK Met Office http://www.weathercharts.org/ukmomslp.htm - 6 days ahead

http://www.metoffice.gov.uk/weather/uk/surface_pressure.html   - Met Office 4 days in colour

Weather chart symbols  http://www.metoffice.gov.uk/weather/uk/guide

http://www.weatherweb.net/wxwebtv.htm - a good forecasting and education site with teaching  videos, and provides a weekly email for the weekend weather

Shipping forecast summary charts can be downloaded from:  Met_maps.pdf

A shallow depression moves much faster than a deep depression which extends much higher.

CLOUD types are described here  Clouds

Weather web resources

Our normal weather pattern is known as an Extratropical Cyclone -  see http://en.wikipedia.org/wiki/Extratropical_cyclones

BBC Coast and Sea Weather http://www.bbc.co.uk/weather/coast/

Synoptic charts:

Grib files - (Gridded binary). These are 'raw' weather charts with isobars and wind arrows. They can be overlaid on an electronic chart
Grib files US

http://www.metoffice.gov.uk/weather/uk/surface_pressure.html   - Met Office 4 days in colour

http://www.weathercharts.org/ukmomslp.htm - 6 days ahead

Synoptic chart and satellite picture:

A line squall

2nd May 2011