Ice & Weather
Following information is updated every day during the winter navigation season, unless otherwise mentioned. This information is covering the Baltic Sea area. When icebreaking activity and traffic restrictions are off, updated information is not available.
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Ice forecast
The sea ice forecasts present sea ice concentration (%) and ice drift (knots). The forecast covers the Northern Baltic Sea and extends up to 48 hours ahead, with a 6-hour interval. The forecasts are produced using the SI3 sea ice module coupled with the NEMO ocean model. The model’s horizontal resolution is 1 nautical mile and forecasts are updated 4 times a day.
Detailed information about the model is available at: https://gmd.copernicus.org/articles/14/5731/2021/
Links
Download ice charts
| Chart | Published date |
|---|---|
Service providers
| Link | File type |
|---|---|
 FMI Finnish Ice Service | html |
| SMHI Swedish Ice Service | html |
| Norwegian Ice Service | html |
| Polish Ice Service | html |
| German Ice Service | html |