BAL-030/26
GNSS, AIS, RADAR and DGPS interference across the Baltic and adjacent gulfs
ActiveReceived 12 Oct 2026, 09:12 UTC
Warning text
SOUTHERN, SOUTHEASTERN, CENTRAL AND NORTHERN BALTIC, GULF OF FINLAND, GULF OF RIGA AND SEA OF AALAND.
GNSS, AIS, RADAR AND DGPS INTERFERENCE OBSERVED IN AREA.
MARINERS ADVISED TO EXERCISE CAUTION
AND BE PREPARED FOR NAVIGATION IMPACTS.
Analysis
ActiveInterference with GNSS, AIS, RADAR and DGPS has been observed in the Southern, Southeastern, Central and Northern Baltic, Gulf of Finland, Gulf of Riga and Sea of Aland. Mariners are advised to exercise caution and be prepared for navigation impacts. No times, positions or contacts are given in the warning.
Exercise caution, maintain enhanced watch, use backups to GNSS/AIS/DGPS where available and navigate with caution.
- Type
- Other · severity high
- Location
- Southern, Southeastern, Central and Northern Baltic; Gulf of Finland; Gulf of Riga; Sea of Aland
- Hazards
- GNSS interference, AIS interference, RADAR interference, DGPS interference, navigation system degradation
Worked out automatically from the warning text on 12 Oct 2026, 09:27 UTC. It can be wrong: the official warning text is the authority.