I love walking along the shore of the Baltic sea in any weather, except for rain :-) The shallow part of the Baltic sea is called the Gulf of Finland. The city of St. Petersburg is located by the gulf coast.
In autumn, few people can be seen on the shores. Now the water is cold, the sand is damp, but this did not prevent those who like to walk along the coast to breathe in the fresh sea air.
It was windy that autumn day. The wind drove away light clouds and then blueness appeared on the sky and the sun sparkled, reflecting in the sea water. Waves rolled over the sand, bringing in seaweed and pebbles.
In such weather, there were many kite-boarding enthusiasts on the shore. They trained under the guidance of a coach. How beautiful these brave people looked, sliding along the waves on their boards and controlling their kites. I admired them. Ah, if I were younger ...
I often talk about the sea and the Gulf of Finland, maybe you are interested then read here and here and here