CoastalHellenic Navigational Warnings - NavwarnsMessages1481/251481/25Received 04 Dec 2025, 00:00 UTCArchived 31 Oct 2026, 12:08 UTCCopy textShow on mapSharePrintExportWarning textNAVWARN 1481/25 CANCELLATION OF NAVWARΝS 1379/2025, 1453/2025, 1470/2025.More 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 warnings1493/252025-12-07archivedNAVWARN 1493/25 PEZOULA-PEYKAKIA OF LOYTRAKI. KORINTHOS. INSTALLATION OF NEW LIGHT. HEAD OF THE BREAKWATER OF “PAPPAS ” HOTEL NEW STATIONARY RED LIGHT PLACED IN1498/252025-12-08archivedNAVWARN 1498/25 SARONIKOS GULF. SALAMINA ISLAND. MEGARA GULF. AREA ‘DIAPORIA’ UNDERWATER WEAPONS FIRING. ON 11 DEC 2025 FROM 1400Z UNTIL 1800Z IN AREA BOUNDED B1503/252025-12-10NAVWARN 1503/25 SOUTH IONIO SEA. WEST COAST OF PELOPONNISOS . KYLLINI HARBOUR . TEMPORARY GREEN LIGHT IN POSITION: 37 56 30N – 021 09 51E CUT OFF AND UNLIT.Earlier warnings1478/252025-12-03archivedNAVWARN 1478/25 CANCELLATION OF NAVWARΝ 1450/20251477/252025-12-02NAVWARN 1477/25 KYKLADES ISLANDS. NAXOS ISLAND. NAXOS MARINA Ν.MOLE HEAD FLASHING RED LIGHT: 37 06 14N – 025 22 25E UNLIT.1469/252025-11-30archivedNAVWARN 1469/25 NORTH AEGEAN SEA. ALONNISOS ISLAND. PATITIRI PORT S. END OF ENTRANCE. RED FLASHING LIGHT IN POSITION: 39 08 29N – 023 52 01E UNLITBack to Hellenic Navigational Warnings - Navwarns