
Undertow
Ocean Hazard
Use 'undertow' to warn about dangerous swimming conditions caused by strong currents.

Beware the undertow at this beach.
Invisible Danger
'Undertow' usually can’t be seen above water, so it represents hidden risks in the ocean.

Even though the water looks calm, the undertow can be very powerful.
Stay Near Shore
When 'undertow' is mentioned, it suggests staying close to shore to avoid being pulled out to sea.

The lifeguard warned us to stay close to shore due to the undertow.
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BackwashCurrentDragDrawPullSuctionSwirlTide
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