Please note the below the RYA roadmap for recreational boating created in-line with Government guidance FYI .
Given the lack of Government direction to Ports, Harbours and Marinas regarding recreational boating it has ben acknowledged by DfT and the Maritime Industry Associations that the RYA’s roadmap is the best approach to follow at this time.

RYA Roadmap Guidance
Government’s roadmap out of the current lockdown in England – COVID-19 RESPONSE − SPRING 2021 (publishing.service.gov.uk)
To help outline what the roadmap means for our sport we have developed our own roadmap for the return of recreational boating in England, setting out our current understanding of what each step means for our sport.
RYA Covid-19 roadmap for return to boating activity in England