In a small saucepan, combine the water, sugar, orange quarters, cloves, cinnamon, nutmeg and ginger. Bring to a boil and gently stir until the sugar dissolves, then reduce the heat and simmer for 15 minutes. Allow to cool.
Place a fine mesh sieve over a bowl, then pour the simple syrup through the sieve to strain out the oranges, cinnamon stick and cloves.
Pour the mulled wine syrup into a sterilized jar and allow to cool and store in a the fridge for up to two weeks.