Complex sentence: As she arrived the wind shifted, and with the "Kaliyuga" now at risk of being driven ashore she tried to round the Bruce Peninsula to reach shelter in Georgian Bay, but hit a shoal in one of the channels on the morning of October 20.
Split into simpler sentences: As she arrived the wind shifted, and the "Kaliyuga" was then at risk of being driven ashore. Therefore she tried to round the Bruce Peninsula to reach shelter in Georgian Bay, but hit a shoal in one of the channels on the morning of October 20.