Hurricane Klaus, upgraded from tropical storm strength, swirled in place Friday with 80-mph winds and spilled heavy rains onto the islands of Barbuda and Antigua, while Hurricane Josephine drifted in the Atlantic.

Forecasters at the National Hurricane Center expected Klaus, which grew into the sixth hurricane of the year Friday, to continue strengthening over the next 24 hours and to resume drifting to the northwest.In the northeast Caribbean, hurricane warnings remained in effect for islands from St. Martin eastward, including the British Virgin Islands, Nevis, Barbuda, Montserrat, Antigua and surrounding islands.