Breaking waves send organic waste into the air along with sea spray.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/climate-change-organic-waste-sea-spray-triggers-ice-formation-clouds
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/nature-world-news
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/organic-waste
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/marine-life
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-impacts
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/atmosphere