Met Office Inshore Forecast: https://www.metoffice.gov.uk
XC Weather: https://www.xcweather.co.uk
Windy.com: https://www.windy.com
Windfinder: https://www.windfinder.com
Magic Seaweed: https://www.magicseaweed.com
EasyTide: http://www.ukho.gov.uk/easytide/EasyTide/index.aspx
Apps:
World Tides 2019
Imray Tide Planner
Tide Pro
Absolute Tides
Imray: https://www.imray.com/charts/
Admiralty Charts: https://www.admiralty.co.uk/charts
Navionics: https://www.navionics.com/gbr/
Imray Navigator: https://www.imray.com/charts/Digital+Charts/Imray+Navigator+iOS+app/