Complex sentence: The seasonal water temperature in the Bay is about 8 ° C (46 ° F) in December and there is a current of up to 3 knots (5,4 km/h).
Split into simpler sentences: The seasonal water temperature in the Bay is about 8 ° C (46 ° F) in December. Furthermore there is a current of up to 3 knots (5,4 km/h).