CoastalHellenic Navigational Warnings - NavwarnsMessages667/26667/26SÉCURITÉReceived 20 May 2026, 00:00 UTCArchived 31 Oct 2026, 12:08 UTCCopy textShow on mapSharePrintExportWarning textPositions open on the mapNAVWARN 667/26 SOUTH IONIO SEA. LAKONIKOS GULF. PLYTRA PORT. MOLE HEAD PLYTRA P. GREEN LIGHT IN POSITION: 36 41 08N – 022 50 13E UNLIT.Location mapOpen on the full mapKeywordsUNLITMore 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 warnings675/262026-05-22archivedNAVWARN 675/26 NORTHWESTERN AEGEAN SEA. PAGASITIKOS GULF. ALONNISOS ISLAND. PROHIBITION OF NAVIGATION FROM 26 MAY 26 UNTIL 31 ОСТОBER 26 WITH THE EXCEPTION OF T693/262026-05-25archivedNAVWARN 693/26 MYRTOO SEA.SPETSAI ISLAND ANCHORING AND MOORING BUOYS DEPLOYMENT PROHIBITED. FROM 01 APRIL TО 31 ОСTOBER 2026 WITHIN SEA AREA “MEGALI ZOGERIA” BO698/262026-05-26archivedNAVWARN 698/26 SARONIKOS GULF. MEGARA CHANNEL. RED LIGHTBUOY 1ST PORTSIDE IN POSITION : 37 58 30N – 023 25 18E UNLIT.Earlier warnings647/262026-05-15NAVWARN 647/26 CENTRAL AIGAIO SEA. VENETIKO ROCK ISLET. A DEPTH OF 45M HAS BEEN REPORTED IN POSITION: 38 07 48N – 026 01 28E MARINERS ARE ADVISED TO NAVIGATE WI634/262026-05-13NAVWARN 634/26 NORTH COAST OF KRITI ISLAND. ON AYGO ISLET WHITE LIGHT IN POSITION: 35 36 13N- 025 34 40E UNLIT.631/262026-05-13NAVWARN 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) PATRABack to Hellenic Navigational Warnings - Navwarns