1197/25
Received: 4 Dec 2025, 00:00Updated: 6 Nov 2026, 08:22
analysis
ActiveUmuryeri breakwater light unlit in Istanbul Strait
Umuryeri breakwater light at the entrance to the Istanbul Strait is reported temporarily unlit. Position given in the warning. Mariners are advised to take caution. No times or duration are stated.
Navigate with caution and take account of the unlit Umuryeri breakwater light.
- 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
- Istanbul Strait
- Hazards
- unlit light
Coast stations for this area
- RCCMRCC VarnaBulgaria133 NM from the area
- RCCMSRCC AnkaraTurkey187 NM from the area
- RCCMRCC Constanta/Constanta Harbor MasterRomania223 NM from the area
- DSCDSC Station CamlicaMSRCC AnkaraTurkeyMMSI 002711000VHF7 NM from the area
- DSCDSC Station KeltepeMSRCC AnkaraTurkeyMMSI 002711000VHF56 NM from the area
- DSCDSC Station BandirmaMSRCC AnkaraTurkeyMMSI 002711000VHF72 NM from the area
- DSCDSC Station MahyadagMSRCC AnkaraTurkeyMMSI 002711000VHF76 NM from the area
- DSCDSC Station SarköyMSRCC AnkaraTurkeyMMSI 002711000VHF91 NM from the area
Aids to navigation affected
- UnlitUMURYERI MENDİREK FENERİ · 41 08.87 K, 029 04.38 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, 06:09 UTC. It can be wrong: the original warning below is the authoritative text.
Message content
NAVAREA III 1197/25
ISTANBUL STRAIT
UMURYERI BREAKWATER LIGHT AT 41 08.87 N, 029 04.38 E IS UNLIT TEMPORARILY.
CAUTION TO MARINERS.