CoastalHellenic Navigational Warnings - NavwarnsMessages372/26372/26Received 14 Mar 2026, 00:00 UTCArchived 31 Oct 2026, 12:08 UTCCopy textShow on mapSharePrintExportWarning textPositions open on the mapNAVWARN 372/26 SOUTH EASTERN PELOPONNESE LACONIAN GULF. EXERCISES BY HELLENIC NAVY. FROM 151500Z MAR 26 TO 151500Z SEP 26 IN AREA BOUNDED BY: 36 40 42N – 022 40 36E 36 33 24N – 022 48 54E 36 26 47N – 022 49 30E 36 23 00N – 022 35 00E 36 32 54N – 022 34 54E AND IN AREA BOUNDED BY: 36 22 04N – 022 49 37E 36 18 18N – 022 35 05E 36 05 36N – 022 35 21E 36 05 48N – 022 49 50E AVOID CROSSING ABOVE AREASLocation 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 warnings381/262026-03-17archivedNAVWARN 381/26 NAVWARN 1580/2025 CANCELLED.382/262026-03-18archivedNAVWARN 382/26 NAVWARN 368/2026 CANCELLED.383/262026-03-19archivedNAVWARN 383/26 NAVWARN 318/2026 CANCELLED.Earlier warnings360/262026-03-13NAVWARN 360/26 NAVWARN 210/2026 CANCELLED. PAGASITIKOS GULF. AGISTRI POINT.ΕDGE OF UNDERWATER PIPE. LIGHTBUOY WITH YELLOW FLASHING LIGHT OPERATIONAL IN NEW POSI366/262026-03-13NAVWARN 366/26 NAVWARN 925/2020 CANCELED. THRAKIKO SEA. THASOS ISLAND.SHALLOW WATERS DUE TO ALLUVIONS. IN PSN: A) 40 37 29N – 024 34 22E (LIMENARIA) B) 40 37 25365/262026-03-13archivedNAVWARN 365/26 RODOS SEA. CHALKI ISLAND. ONE (1) LIGHTBUOY INSTALLED MARKING UNDERWATER SEWAGE DISPOSAL PIPELINE OF CHALKI ISLAND. QUICK FLASHING YELLOW LIGHTBUBack to Hellenic Navigational Warnings - Navwarns