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  1. Ocean currents - National Oceanic and Atmospheric Administration

    Sep 25, 2025 · Ocean water is on the move, affecting your climate, your local ecosystem, and the seafood that you eat. Ocean currents, abiotic features of the environment, are continuous and …

  2. Ocean Circulations - National Oceanic and Atmospheric …

    Mar 28, 2023 · Keeping Current While ocean currents are shallow-level circulations, there is global circulation which extends to the depths of the sea called the Great Ocean Conveyor. …

  3. What are Ocean Currents? | Every Full Moon | Ocean Today

    This is ocean current. The reason we have currents in the ocean is a bit more complicated. Let's go back to the shoreline to witness one cause of ocean currents. Tides. Tidal currents are …

  4. Currents: NOAA's National Ocean Service Education

    Currents driven by thermohaline circulation occur at both deep and shallow ocean levels and move much slower than tidal or surface currents. The Currents Tutorial is an overview of the …

  5. Ocean motion: Wind-driven currents - National Oceanic and …

    Jan 17, 2025 · Background Winds, water density, and tides all drive ocean currents. Coastal and sea floor features influence their location, direction, and speed. Earth’s rotation results in the …

  6. Rip Current Safety - National Oceanic and Atmospheric …

    Jul 11, 2023 · A person standing waist deep in water can be dragged out into deeper waters and drown. KNOW BEFORE YOU GO. Check the Surf Zone Forecast for local beach conditions. …

  7. How do we monitor currents? - National Oceanic and Atmospheric ...

    Jun 16, 2024 · How do we monitor currents? To measure currents, you need three basic tools — an observer, a floating object or a drifter, and a timing device.

  8. Rip Currents - National Oceanic and Atmospheric Administration

    Sep 19, 2024 · Rip currents are often referred to as drowning machines by lifeguards and are the leading cause of rescues for people in the surf. They are particularly dangerous for weak or …

  9. Argo, the 'crown jewel' of ocean observing systems, turns 25

    Dec 11, 2024 · Going where humans can’t Once deployed into the ocean, Argo floats dive between one and nearly four miles deep to collect data and drift with currents. Every 10 days, …

  10. Tsunamis - National Oceanic and Atmospheric Administration

    Feb 25, 2025 · Tsunamis are just long waves — really long waves. But what is a wave? Sound waves, radio waves, even “the wave” in a stadium all have something in common with the …