Sorry, but this idea is silly. Look at Israel's only city on the southern coast - Eilat. There is no infrastructure there that can handle even a fraction of the Suez Canal traffic. I see one dock with a large container crane, and what looks like several smaller cranes nearby, and no rail lines. If the Israelis manufactured this event to force shipping over land, then they are woefully unprepared to deal with it.
Nah, not buying it. It takes 10-12 hours to sail through the Suez canal under normal circumstances. It takes DAYS to unload a large container vessel, meaning it would then take DAYS to load another ship on the other side, not to mention the labor cost for each operation. It's absolutely not worth unloading a ship if you can sail to your destination. If they block the Suez canal permanently, sure, then its faster than sailing around Africa, but there's too much money in shipping to ever allow that to happen. An occasional blockage won't be enough. And I still maintain that Israel's southern coast can't possibly handle any significant amount of container traffic. The coast is very small, rugged, and there isn't much room for traffic by Eilat.