CoastalHellenic Navigational Warnings - NavwarnsMessages1212/231212/23ArchivedReceived: 1 Sept 2023, 00:00Archived: 14 Nov 2026, 23:05Updated: 14 Nov 2026, 23:05SubscribeCopyShareShow on mapPrintExportSearchMessage contentNAVWARN 1212/23 THRAKIKO SEA.STRIMONIKOS GULF.CONSTRUCTION WORKS FROM 04 SEP 23, IN SEA AREA BETWEEN THE POINTS: 40 40 47N – 023 41 42E 40 40 47N – 023 41 53E 40 40 47N – 023 42 03E 40 40 49N – 023 42 06E AND DROPING OF DREDGINGS. BETWEEN THE POINTS: 40 42 30N – 023 43 30E 40 42 30N – 023 44 30E 40 41 30N – 023 43 30E 40 41 30N – 023 44 30E CAUTION ADVISEDLocation mapOpen on the full mapMore 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 warnings1236/232023-09-07NAVWARN 1236/23 IONIO SEA. ERIKOYSA PORT. DANGEROUS APPROACH CAUTION ADVISED1298/232023-09-19NAVWARN 1298/23 RHODOS ISLAND. ESTABLISHMENT OF TWO (02) TEMPORARY LIGHTS. FLASHING RED LIGHT IN POSITION: 36 26 15N – 028 14 24E FLASHING GREEN LIGHT IN POSITI1346/232023-09-28NAVWARN 1346/23 SARONIC GULF . ERMIONI PORT. CONSTRUCTION WORKS. FROM 29 SEP 23 UNTIL FURTHER NOTICE INSIDE THE LINE BETWEEN THE POINTS: 37 23 21N – 023 14 55EEarlier warnings1207/232023-08-31NAVWARN 1207/23 SOUTH AEGEAN SEA. AMORGOS ISLAND. NEW LIGHT PLACED. HEAD OF FISHING SHELTER NEW STATIONARY RED LIGHT XILOKERATIDI PLACED IN POSITION: 36 49 51N1184/232023-08-28NAVWARN 1184/23 RHODOS ISLAND. KALAVARDA SEA AREA DANGEROUS WRECK IN POSITION: 36 24 32N – 028 00 37E DANGEROUS TO NAVIGATION.1175/232023-08-25NAVWARN 1175/23 AEGEAN SEA. KSILOKERATIDI KATALOLOY AMORGOS.FISHING SHELTER LIGHT ESTABLISHED. IN POSITION: 36 49 51N – 025 51 51E A. BLINKING RED LIGHT B. FOCABack to messages