CoastalHellenic Navigational Warnings - NavwarnsMessages601/26601/26Received 05 May 2026, 00:00 UTCArchived 31 Oct 2026, 12:08 UTCCopy textShow on mapSharePrintExportWarning textNAVWARN 601/26 NAVWARNS 243/2026, 405/2026 CANCELLEDMore 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 warnings604/262026-05-05archivedNAVWARN 604/26 NAVWARN 556/2026 CANCELLED603/262026-05-05NAVWARN 603/26 NORTHWEST AEGEAN SEA. SITHONIA PENINSULA .AGIOS IOANNIS AREA PLEASURE YACHTS SHELTER NEW LIGHTS ESTABLISHED. A)FIXED RED LIGHT AGIOS IOANNIS ON T608/262026-05-08archivedNAVWARN 608/26 MALIAKOS GULF PROHIBITION OF NAVIGATION AND ANCHORAGE FOR BOATS FROM 08 MAY 26 UNTIL FURTHER NOTICE IN THE SEA AREA BOUNDED BY: 38 54 17N – 022 3Earlier warnings584/262026-05-01NAVWARN 584/26 NORTH AEGEAN SEA. SKOPELOS ISLAND PORT CONSTRUCTION WORKS. DREDGING OPERATIONS. IN PROGRESS. FROM 04 MAY 2026 UNTIL FURTHER NOTICE IN THE SEA ARE582/262026-05-01archivedNAVWARN 582/26 SOUTH EVOIKOS GULF. PORTO RAFTI SEA AREA. SAILING RACE WILL BE CONDUCTED ON 01 MAY 2026 UNTIL SUNSET ON 02 MAY 2026 FROM 0800Z UNTIL SUNSET ON 03585/262026-05-01archivedNAVWARN 585/26 MYRTOO SEA. EAST COAST OF PELOPONNISOS. MONEMVASIA MAPINA ESTABLISHMENT OF TEMPORARY LIGHT RED FLASHING LIGHT IN POSITION: 36 41 04N – 023 02 23EBack to Hellenic Navigational Warnings - Navwarns