This integration will display weather and sealevel information around the Swedish coast from Sjöfartsverket (Swedish Maritime Administration).
Clear browser cache. (Just to be safe - not always needed)
Goto Integrations->Add and select viva
Follow instructions to select the location you want to monitor.
The package and its author are not affiliated with ViVa or Sjöfartsverket. Use at your own risk.
The package is released under the MIT license.