How do meteorologists measure sea water temperature?

Aurix@lemmy.world to No Stupid Questions@lemmy.world – 33 points –

I see a temperature map of the sea around Italy reaching above 30 C today. Obviously the sea water hasn't this cozy temperature deep beneath the surface yet, maybe in a few decades, so where is the measurement taken depth wise?

4

In general, measurements like that of ocean temperature are sea surface temperature. However, the ocean mixed layer (can vary between 10-100 metres) can be typically uniform in temperature and salinity