The sea temperature is definitely warmer than it used to be.
Some scientists have suggested that a rise in the sea temperature could be releasing more mercury.
It is impossible to get accurate answers about sea temperatures from resort areas.
A detailed daily weather forecast for the area, including sea temperature, can be found here.
She said the sea temperature at this time of year would be about 14 to 15 Celsius.
And warm - sea temperatures are usually 76 to 80 degrees.
A potential threat is climate change affecting sea temperatures and thus food supply.
The sea temperature gives us clues to the changing climate and the possible effects of global warming.
They say that rising sea temperatures are probably the cause.
After the ice age about 200,000 years ago, the global air temperature has risen 3 degrees, leading to an increase in sea temperatures.