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Karl to create dangerous surf along eastern US coast while eyeing Bermuda

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As Karl strengthens late this week, it will threaten Bermuda and lead to increased surf at U.S. East Coast beaches.

Karl has been in a hostile environment recently, which has hindered its ability to strengthen, and even caused the storm to weaken to a depression on Wednesday morning.

This is a live loop of Karl (NOAA/Satellite).

The storm will emerge into a more favorable environment tomorrow, which will likely allow for rapid strengthening tomorrow and on Friday.

Heavy rain and strong winds may impact Bermuda late in the week

Bermuda may have significant impacts from Karl from Thursday night through Friday night, when it is expected to be at or near-hurricane strength.

Karl will make a turn toward the north and then the northeast as it nears Bermuda, likely as a hurricane. How quickly it makes this turn will determine how much of an impact that it has on the island.

"If Karl re-curves northeast quickly, it will pass south and southeast of Bermuda and cause minimal impacts," AccuWeather Hurricane Expert Dan Kottlowski said.

If the storm makes a more gradual turn, it could take a track close enough to the island to bring strong winds and heavy rain, according to Kottlowski.

Especially since Karl has the potential to be a hurricane by the time it reaches Bermuda, residents and tourists should plan for potentially dangerous conditions.

Even if the storm passes far enough to the south and east to keep the rain and wind away, high surf and dangerous rip currents will be a concern into the weekend.

High surf and powerful rip currents expected at U.S. East Coast beaches

Despite remaining many hundreds of miles offshore, Karl will still impact the East Coast with higher surf and dangerous rip currents.

The main threat for rip currents will be from late on Thursday through Saturday, when Karl is closest to the U.S.

Higher-than-average waves have already been a problem along the mid-Atlantic coast this week because of what was Tropical Storm Julia.

Vacationers at Atlantic beaches late this week and into Saturday should exercise caution when getting into the water.

If caught in a rip current, the best thing to do is to swim parallel to the shore out of the rip current rather than against it.

As Karl races away to the northeast by late in the weekend, waves should subside somewhat on Sunday.