CoastalHellenic Navigational Warnings - NavwarnsMessages637/26637/26SÉCURITÉArchivedReceived: 13 May 2026, 00:00Archived: 31 Oct 2026, 12:08Updated: 12 Nov 2026, 07:45SubscribeCopyShareShow on mapPrintExportSearchKeywordsGeometry refspointGeometry phrasesin positionMalfunctioning AidsUNLITMessage contentNAVWARN 637/26 KYKLADES ISLANDS. THIRA ISLAND. VLYCHADA MARINA. MARINA EAST MOLE HEAD FLASHING GREEN LIGHT IN POSITION: 36 20 13N – 025 26 10E UNLIT.Location mapOpen on the full mapMore from Hellenic Navigational Warnings - Navwarns1381/262026-11-11NAVWARN 1381/26 SOUTH EVVOIKOS GULF. WESTERN COAST. AGIA MARINA BAY. MOLE HEAD OF AGIA MARINA BAY FLASHING GREEN LIGHT IN POSITION: 38 11 22N – 024 03 59E UNLIT.1375/262026-11-11NAVWARN 1375/26 CENTRAL AEGEAN SEA EAST OF EVVOIA ISLAND. ACTIVATION OF FIRING PRACTICE AREA ‘KOSKINA. LIVE FIRING EXERCISES ON 12,17,19,24 AND 26 NOV 2026 FROM 0500Z TO 2159Z OF EACH DAY. AND ON 01,01379/262026-11-11NAVWARN 1379/26 NORTH IONIAN SEA. KERKYRA STRAIT UNDERWATER WORKS WILL BE CARRIED OUT BY VESSEL AETHRA FROM 14 NOC 2026 UNTIL FURTHER NOTICE IN THE LINE BETWEEN THE POINTS: 39 40 44N – 020 01 15E 39 41318/262026-11-02archivedNAVWARN 1318/26 SOUTH AIGAIO SEA. KYTHNOS ISLAND. WHITE LIGHT AT SOUTH ΝΑ ΜΕΤΑΔΙΔΕΤΑΙ ΜΕΧΡΙ ΚΑΙ 22:00 ΤΗΣ 04/11/2026 NAVWARN: END OF LOYTRA BAY ENTRANCE. IN POSITION: 37 26 31N – 024 25 58E UNLIT.1146/262026-09-23archivedNAVWARN 1146/26 MALIAKOS GULF. STYLIDA CHANNEL. UNDER CONSTRUCTION DEEEPING OPERATIONS. PROHIBITION OF TRANSIT, ANCHORAGE AND ANY OTHER ACTIVITIES FOR ALL SHIPS AND PLEASURE CRAFTS. FROM 23 SEP 2026 ULater warnings625/262026-05-13NAVWARN 625/26 IONIO SEA.ETOLOAKARNANIA UNDERWATER PIPE LAYING OPERATION IN PROGRESS FROM 15 MAY 2026 UNTIL FURTHER NOTICE BETWEEN THE POINTS: 38 40 20N – 020 5631/262026-05-13NAVWARN 631/26 FROM MAΥ 13 THE EXISTING CHANNELS: 1) KEFALLINIAS CH 27 FOR WEATHER REPORTS AND NAVWARNS WILL BE REPLACED BY CHANNEL CH 61 RESPECTIVELY. 2) PATRA634/262026-05-13NAVWARN 634/26 NORTH COAST OF KRITI ISLAND. ON AYGO ISLET WHITE LIGHT IN POSITION: 35 36 13N- 025 34 40E UNLIT.Earlier warnings617/262026-05-09NAVWARN 617/26 NORTH IONIO SEA. PAXOI ISLAND. SOUTH BREAKWATER HEAD OF SOUTH ENTRANCE OF PAXOI HARBOUR.RED LIGHT IN POSITION: 39 11 47N – 020 11 18E UNLIT.608/262026-05-08archivedNAVWARN 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 3603/262026-05-05NAVWARN 603/26 NORTHWEST AEGEAN SEA. SITHONIA PENINSULA .AGIOS IOANNIS AREA PLEASURE YACHTS SHELTER NEW LIGHTS ESTABLISHED. A)FIXED RED LIGHT AGIOS IOANNIS ON TBack to messages