 A large network of coastal buoys near the United States is maintained by the National Data Buoy Center , with deployment and maintenance performed by the United States Coast Guard . For South Africa , the South African Weather Service deploys and <unk> their own buoys , while the Meteorological Service of New Zealand performs the same task for their country . Environment Canada operates and deploys buoys for their country . The Met Office in Great Britain deploys drifting buoys across both the northern and southern Atlantic oceans . 
