Surfing Waves

I recently traveled with my board, and after arriving I noticed a set of small cracks on the side. Not sure when they came, so no way of blaming whoever did it

But my question is if the cracks are deep enough to cause trouble? And how do I figure out if they are?
The board is a Torq Fish, so an epoxy board.

And if the cracks are something that should be fixed how do I do it? I have zero experience fixing anything on a surfboard.

And now for a picture of the cracks, and yes I know they are very small (and look like someone smiling)..

Rule of thumb, if you can click it or flick it, fix it! The cracks that is! Always go to a good fix quickly with EPS foam, you don't want water inside, same with ordinary foam, if you value your boards fix ASAP .

Epoxy need special attention and epoxy resins, not any other sort.
The cracks can be fixed with sun cure epoxy repair kit, as a short term solution ( good thing when you are traveling). If in doubt go get a shop fix!

With molded-epoxy boards like your Torq ( or NSP, Surftech,etc. ) there is a paint coat or a top sheet over the fiberglass layers. You need to sand down ( very lightly ) the paint to see if the fiberglass layer is cracked through. A lot of times, it just paint chipped. BUT in your case, I am concerned about the horizontal AND vertical line. Either way, it's really hard to fix those small cracks and be nice and flush after. Better to have a bump and it be solid, than flush and weak. Hopefully you can get some EPOXY suncure in the BLUE tube to fix it or some quikfix putty to put over it for now and sand off later.

I have ordered some epoxy suncure and will try to fix it with that.

Any tricks, or is it straight forward sandpaper it slightly put it on, let it harden and then done?

Pretty much. Use a craft stick or a piece of cardboard to spread resin. Some folks like to press clear plastic sheet to smooth the wet resin and leave it on while the resin cures. Peel the sheet off once the resin cures, lightly sand the area smooth if you want and you are done.