page_title: Wind fetch
hierarchical_section_title: Wind fetch
caption_attribution_description: English: The wake after the ferry to Fanø, Denmark Dansk: Bølge i kølvandet på Fanøfærgen. Français&#160;: Sillage d'un ferry à Fanø, Danemark Deutsch: Kielwasser einer Fähre nach Fanø (Dänemark) Українська: Хвиля на воді як слід від порому, Феньо, Данія.
context_page_description: In oceanography wind fetch, also known as fetch length or simply fetch, is the length of water over which a given wind has blown without obstruction. Fetch is used in geography and meteorology and its effects are usually associated with sea state and when it reaches shore it is the main factor that creates storm surge which leads to coastal erosion and flooding. It also plays a large part in longshore drift as well.
  Fetch length, along with the wind speed, determines the size of waves produced. The wind direction is considered constant. The longer the fetch and the faster the wind speed, the more wind energy is imparted to the water surface and the larger the resulting sea state will be.
context_section_description: In oceanography wind fetch, also known as fetch length or simply fetch, is the length of water over which a given wind has blown without obstruction. Fetch is used in geography and meteorology and its effects are usually associated with sea state and when it reaches shore it is the main factor that creates storm surge which leads to coastal erosion and flooding. It also plays a large part in longshore drift as well.
  Fetch length, along with the wind speed (wind strength), determines the size (sea state) of waves produced. The wind direction is considered constant. The longer the fetch and the faster the wind speed, the more wind energy is imparted to the water surface and the larger the resulting sea state will be.
caption: A long fetch creates a high energy wave.
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