NEW YORK (CBSNewYork) – The New York area is already feeling the effects of Hurricane Dorian.

A dangerous rip current threat has shut down city beaches.

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The New York City Parks Department has announced that all city beaches will be closed Friday and Saturday.

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That means no swimming and no surfing. Swells of up to 10 feet are expected.

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New Jersey’s Gov. Murphy also spoke about the hurricane Thursday, saying residents in the Garden State should also stay off the beaches as the storms moves up the east coast.