CoastalHellenic Navigational Warnings - NavwarnsMessages207/24207/24SÉCURITÉReceived 10 Feb 2024, 00:00 UTCArchived 31 Oct 2026, 12:08 UTCCopy textShow on mapSharePrintExportWarning textPositions open on the mapNAVWARN 207/24 NORTH AIGAIO SEA. ALONNISOS ISLAND. PATITIRI PORT. BREAKWATER HEAD FLASHING GREEN LIGHT IN POSITION: 39 08 33N – 023 52 00E UNLITLocation mapOpen on the full mapKeywordsUNLITMore 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 warnings251/242024-02-20NAVWARN 251/24 ELEFSINA GULF. LIGHTBUOY WHICH MARKS WRECK ”ALFA I” IN POSITION: 38 01 23N – 023 32 54E CUT OFF.259/242024-02-22NAVWARN 259/24 ARGOLIC GULF. SOUTH ARGOLIDA. KOLONA CHINITSAS PORTOCHELI. UNAUTHORISED CONSTRUCTION. DIMENSIONS: 12.5M X 2.40M IN POSITION: 37 18 40N – 023 08 2313/242024-03-01archivedNAVWARN 313/24 NORTH IONIAN SEA. LEFKADA ISLAND. LIGHTBUOY ‘LEFKADA 2’ 1ST PORTSIDE FOR INBOUND FROM SOUTH CANAL IN POSITION : 38 47 39N – 020 43 34E CUT OFF.Earlier warnings188/242024-02-08NAVWARN 188/24 GULF OF THESSALONIKI. THERMAIKOS GULF. SEMISUNK MOORING BUOY. IN POSITION: 40 36 01N – 022 56 52E. CAUTION ADVISED.190/242024-02-08archivedNAVWARN 190/24 SOUTH AEGEAN SEA. NAXOS ISLAND. DROPPING OF DREDGINGS FROM 07 FEB 2024 UNTIL FURTHER NOTICE. DROPPING OF DREDGINGS ΙΝ AREA BOUNDED BY: 37 10 48N117/242024-01-26NAVWARN 117/24 PATRAIKOS GULF. LIGHTBUOY WHICH MARKS THE BIOLOGICAL CLEARING PIPE-LINE IN POSITION: 38 10 06N – 021 34 54E CUT OFF.Back to Hellenic Navigational Warnings - Navwarns