Nacra 17 Tokyo Olympics: Day 1 Live Replay Links
Try to check if you can see this in your zone. Marca Claro, a Mexican news web offering free stream of the Olympics: https://olimpicos.marcaclaro.com/tokyo-2020/eventos/sal/vela-949af860/
Last two races of the stream. Later pics and full results.
Broadcasters in your area here :
https://tokyo2020.sailing.org/multimedia/broadcasters/
Tracking links here:
https://tokyo2020.sailing.org/multimedia/tracking/
Results Centre: https://tokyo2020.sailing.org/results-centre/