Some sources of weather information:
Radio – Radio 4 shipping forecast.
Teletext – Ceefax, Oracle, etc.
Coastguard – Marine safety information broadcast on vhf.
Harbour office – Posted daily.
Mobile telephone – Text forecasts.
Telephone – Recorded forecasts by area.
Fax – Forecast and synoptic charts.
Internet – Numerous sites including RYA website.
Email – Sent to you each weekend.
Newspaper – General forecasts often with synoptic charts.