Porpoises run into bays and around islands before a storm.
Salmon and Trout.
Salmon and trout plentiful in river (Columbia) show an abundance of rain in the surrounding country by which the river has risen.
Sea-urchins.
Sea-urchins thrusting themselves into the mud, or striving to cover their bodies with sand, foreshow a storm.
Shad.
Shad run south when the weather changes cold.
Shark.
Shark go to sea at the approach of a cold wave.
Skate.