Useful websites you can check anytime.
Regulation
www.ilo.org/global/standards/maritime-labour-convention/lang–en/index.htm
Marine information
cluster-maritime.fr
www.marineweb.com
Marine weather
www.wunderground.com/MAR
www.oceanweather.com/data
weather.org/marine_weather.htm
weather.noaa.gov/fax/marine.shtml