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  1. What is a rip current? - NOAA's National Ocean Service

    Jun 16, 2024 · Rip currents are powerful, narrow channels of fast-moving water that are prevalent along the East, Gulf, and West coasts of the U.S., as well as along the shores of the Great Lakes.

  2. Rip Currents - NOAA's National Ocean Service

    But in heavier wave action, fewer, more concentrated rip currents can form. When waves travel from deep to shallow water, they break near the shoreline and generate currents. A rip current …

  3. NOAA Launches First National Rip Current Forecast Model

    Rip currents are powerful, narrow channels of fast-moving water that are prevalent along the East, Gulf, and West coasts of the U.S., as well as along the shores of the Great Lakes.

  4. Rip Currents: Preparedness and Prevention - Podcast: Episode 66

    Rip currents are powerful, channeled currents of water that can move at speeds of up to eight feet per second, and can occur at any beach with breaking waves. This image shows a rip current …

  5. Dangers at the Beach - NOAA's National Ocean Service

    Rip currents account for more than 80 percent of rescues performed by surf beach lifeguards. They are powerful, channeled currents of water flowing away from shore that quickly pull …

  6. Rip Currents - Discover Your World - NOAA's National Ocean Service

    Rip currents are powerful, channeled currents of water flowing away from shore. They can occur at any beach with breaking waves, including many Great Lakes. These currents are killers. …

  7. Longshore Currents - NOAA's National Ocean Service

    Longshore currents are affected by the velocity and angle of a wave. When a wave breaks at a more acute (steep) angle on a beach, encounters a steeper beach slope, or is very high, …

  8. What are spring and neap tides? - NOAA's National Ocean Service

    A 'spring tide' a common historical term that has nothing to do with the season of Spring. Rather, the term is derived from the concept of the tide 'springing forth.' Spring tides occur twice each …

  9. What is a King Tide? - NOAA's National Ocean Service

    A King Tide is a popular, non-scientific term people often use to describe exceptionally high tides that occur during a new or full moon.

  10. Do the Great Lakes have tides? - NOAA's National Ocean Service

    Jun 16, 2024 · True tides—changes in water level caused by the gravitational forces of the sun and moon—do occur in a semi-diurnal (twice daily) pattern on the Great Lakes. Studies …