I shot on A at low ISO for most of the day. In order to try to catch the waves I switched to S, at 1/8000. Unfortunately, with the low light, etc. this pushed the ISO up to 8-10K and introduced a lot of both luminance and colour noise. I made a couple of grayscale images, barely salvageable:
Live and learn…
Mike Nelson Pedde
P.S. My first King Tides experience was back in 2010, shooting with an old 10MP Fuji superzoom. My last image of the day was when a rogue wave swamped both me and the camera. Fortunately a heating vent, some alcohol and Q-Tips were able to resurrect it.