CoastalHellenic Navigational Warnings - NavwarnsMessages1311/251311/25SÉCURITÉReceived 25 Oct 2025, 00:00 UTCArchived 31 Oct 2026, 12:08 UTCCopy textShow on mapSharePrintExportWarning textPositions open on the mapNAVWARN 1311/25 NORTH EVVOIKOS GULF. WESTERN COAST. ARKITSA POINT. FLASHING WHITE LIGHT IN POSITION: 38 45 19N – 023 02 03E UNLIT.Location mapOpen on the full mapKeywordsUNLITMore from Hellenic Navigational Warnings - Navwarns1390/262026-11-13NAVWARN 1390/26 SOUTH AIGAIO SEA GEOPHYSICAL SURVEY WILL BE CARRIED OUT BY ‘NG SURVEYOR’ FROM 13 NOV 2026 IN THE LINE BETWEEN THE POINTS: 37 44 05N – 023 09 37E 37 41 04N-023 12 22E 37 39 23N – 023 181391/262026-11-13NAVWARN 1391/26 SARONIKOS GULF. FLEVES ISLAND. FIRING EXERCISES FROM 16 NOV 26 ON 1500Z UNTIL 2100Z AND FROM 17, 18 AND 19 NOV 26 ON 0900Z UNTIL 1300Z AND ON 1500Z UNTIL 2100Z NOV 26 IN THE AREA CENTE1393/262026-11-13NAVWARN 1393/26 CANCEL NAVWARN 930/2026. SARONIKOS GULF. PSYTTALEIA ISLAND. SOUTHWEST END OF SUBMARINE PIPLINES OF PSYTTALEIA ISLAND. FLASHING YELLOW LIGHTBUOY IN POSITION: 37 55 22N – 023 34 41E CUT758/262026-06-10archivedNAVWARN 758/26 CANCELLATION OF NAVWARN 737/2026. SOUTH AEGEAN SEA. THIRA ISLAND. PORT CONSTRUCTION WORKS. DREDGING OPERATIONS IN PROGRESS. FROM 10 JUNE 2026 UNTIL FURTHER NOTICE IN THE SEA AREA BOUNDE528/242024-04-14archivedNAVWARN 528/24 SOUTH AEGEAN SEA. PAROS ISLAND. DROPPING OF DREDGINGS FROM 15 APR 2024 UNTIL FURTHER NOTICE. DROPPING OF DREDGINGS ΙΝ AREA BOUNDED BY: 37 04 16N 025 03 33E 37 04 16N 025 03 41E 37 04 10Later warnings1308/252025-10-25NAVWARN 1308/25 SOUTH EVVOIKOS GULF.DIAVLOS STENO CHALKIDAS 2ND STARBOARDSIDE FOR INBOUNDING VESSELS GREEN LIGHT IN POSITION: 38 26 44N – 023 35 26E UNRELIABLE.1322/252025-10-31archivedNAVWARN 1322/25 ZAKYNTHOS ISLAND. DIMITRIS BANK. RED LIGHTBUOY: 37 46 47N – 020 54 53E UNLIT.1330/252025-10-31archivedNAVWARN 1330/25 CENTRAL AEGEAN SEA. EAST OF EVVOIA ISLAND. ACTIVATION OF FIRING PRACTICE AREA ‘KOSKINA’. LIVE FIRING EXERCISES ON 04, 06, 11, 13, 18, 20, 20, 25Earlier warnings1301/252025-10-23NAVWARN 1301/25 NORTH IONIO SEA. LEFKADA ISLAND LEFKADA CANAL SOUTH ENTRANCE 7TH PORT SIDE FOR INBOUNDING VESSELS FLASHING RED LIGHT IN POSITION: 38 48 58N – 021300/252025-10-23NAVWARN 1300/25 NORTH IONIO SEA. LEFKADA ISLAND LEFKADA CANAL SOUTH ENTRANCE 6TH PORT SIDE FOR INBOUNDING VESSELS FLASHING RED LIGHT IN POSITION: 38 48 44Ν – 021294/252025-10-23NAVWARN 1294/25 CANCEL NAVWARN 290/2025 THRAKIKO SEA SOUTH WEST OF ALEXANDROUPOLIS PORT. SCIENTIFIC INSTRUMENTS MARKED BY YELLOW LIGHT BUOYS HAVE BEEN ESTABLISHBack to Hellenic Navigational Warnings - Navwarns