Depending on what you plan to do, you should probably aim to take around £40-£50 per person per day (£280-£300 per week) in Morocco. You can always head to the ATM if you need more cash for extra activities, plus most places accept credit cards.
Can I tip in US dollars in Morocco?
Whenever you tip during your trip to Morocco it is important to use the local currency, that is – Moroccan dirhams. Otherwise you'll leave your service providers with cash they can't use without paying high fees on currency exchange.