Port of London Authority http://www.pla.co.uk/
TideTimes https://www.tidetimes.org.uk
Erith Tide Times https://www.tidetimes.org.uk/erith-tide-times
Crayford Ness Weather https://www.windfinder.com/forecast/crayford_ness
SouthWold E Coast Weather https://www.windfinder.com/forecast/southwold
Met Office https://www.metoffice.gov.uk/
UK Windmap https://www.xcweather.co.uk/observations
Weather Outlook https://www.theweatheroutlook.com/