What temp does seawater freeze by?

Answer 1

This depends on several factors: Amount of salt (its not constant) and pressure (water depth).

Generally on the surface, under normal conditions, water will start to freeze at about 28 deg F or nearly -2 C.

if there is many salt then it freezes at -10 degrees

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Answer 2

Ocean water freezes just like freshwater, but at lower temperatures. Fresh water freezes at 32 degrees Fahrenheitbut seawater freezes at about 28.4 degrees Fahrenheit , because of the salt in it. When seawater freezes, however, the ice contains very little salt because only the water part freezes.

Answer 3

The freezing point of sea water decreases with increasing salinity and is about −2 °C (28.4 °F) at 35 g/L (equivalent to 599 mM/L) --- Wikipedia

Answer 4

Assuming a salinity of around 35 psu, the melting point is around -1.93oC.

Answer 5

zero degrees Celsius or 32 degrees Fahrenheit

Answer 6

Salt water freezes around 28 F