The weather layers are located on the top right of the map. You can click here to look at a number of weather layers such as wind, significant wave height, or currents. You can also turn on pressure isobars, spotter buoys, tropical storm tracks, ice concentration and navigational charts.

For more details, see the video below:

https://www.youtube.com/watch?v=6Yt1y7DkmcA&list=PLbMBxofkZ_0LY7ulvxvLWl8cbVDfg-qGD&index=9