0399/26
Received: 15 Apr 2026, 00:00Updated: 5 Nov 2026, 14:24
analysis
ActiveUnlit shallow-water buoy at Topağaç Laz Kayası, Sea of Marmara
The shallow-water buoy at Topağaç Laz Kayası (40 35.83 K - 027 41.10 D) is not working properly and is unlit. Mariners are advised to exercise caution when navigating in the area.
Navigate with caution and keep a good lookout for an unlit shallow-water buoy at the given position.
- Type
- Aids to navigation · severity low
- Feed
- Aids to navigationAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/aton/
- Location
- Sea of Marmara, Topağaç Laz Kayası
- Hazards
- unlit aid to navigation, buoy malfunction
Coast stations for this area
- RCCMRCC VarnaBulgaria156 NM from the area
- RCCMSRCC AnkaraTurkey240 NM from the area
- RCCJRCC PiraeusGreece245 NM from the area
- DSCDSC Station BandirmaMSRCC AnkaraTurkeyMMSI 002711000VHF18 NM from the area
- DSCDSC Station SarköyMSRCC AnkaraTurkeyMMSI 002711000VHF24 NM from the area
- DSCDSC Station KayalidagMSRCC AnkaraTurkeyMMSI 002711000VHF61 NM from the area
- DSCDSC Station CamlicaMSRCC AnkaraTurkeyMMSI 002711000VHF68 NM from the area
- DSCDSC Station MahyadagMSRCC AnkaraTurkeyMMSI 002711000VHF71 NM from the area
Aids to navigation affected
- UnlitTopağaç Laz Kayası shallow water buoy · 40 35.83 K - 027 41.10 D
No aids-to-navigation list in the database yet; aids are shown as the warning names them.
Generated automatically from the warning text on 31 Oct 2026, 06:08 UTC. It can be wrong: the original warning below is the authoritative text.
Message content
SEA SAFETY NAVIGATIONAL WARNING NUMBER: 0399/26
SEA OF MARMARA
TOPAĞAÇ LAZ KAYASI SHALLOW WATER BUOY AT 40 35.83 N - 027 41.10 E IS UNLIT / NOT WORKING PROPERLY.
CAUTION TO MARINERS.