Cub Driver writes:

As I recall, Yamato did sortie, so presumably it did fire some guns,

Japanese accounts that I have read mention that the weather was so
poor, with low cloud, that the attacking aircraft could not be seen
until they were already far too close to be engaged by the main
battery. The overwhelming importance of radar for ships against
aircraft....

--
G Hassenpflug * IJN & JMSDF equipment/history fan