No, in fact you've got to be pretty stupid not to know that Hamas is engaged in a self-declared war against Israel and that, as a result, Israel is perfectly allowed to impose a naval blockade on an enemy entity. International law allows interceptions in international waters when it is clear the the blockade is about to be broken. Before talking off the top of your head, you should read a book or two.
Wes Craven, director of 'Scream' and 'Nightmare on Elm Street', dies 76 (Haaretz)
from the article: UN rights body names team to probe Gaza flotilla raid