Weekly maritime regulatory digest
The weekly briefing.
Week ending 29 September 2026
Read the fast-scan summary · jump to a region
Med East
Ten Hellenic Navy Hydrographic Service notices: a mine located south of Karpathos and ammunition reported near Souda Bay, Crete, firing areas active in the Myrtoo Sea and Saronikos Gulf, an exercise and systems trials, four unlit lights, and a transit and anchoring ban in the Stylida Channel. Nav warnings
Med NW
Two French Maritime Prefecture Mediterranean orders regulating navigation and anchoring for Les Voiles de Saint-Tropez (28 September to 3 October) and L'Odyssée du Frioul at Marseille (3 October). Nav restrictions
Tyrrhenian
Three Italian Coast Guard ordinances: a seagrass restoration pilot at Castellammare di Stabia, removal of a pipeline and buoy field at La Spezia, and an amended port rule at Procida. Local
Southern Italy
Two Italian Coast Guard ordinances: a submerged submarine exercise off Gallipoli and mooring block removal works in Mondello Bay, Palermo. Local
Adriatic
Five Italian Coast Guard ordinances: a bathymetric survey and a tuna fishing championship off Porto San Giorgio, two Venice danger notices, and a biological protection area off Riccione. Local
Croatia
The Croatian Maritime Authority has updated its list of approved cabotage authorisations for foreign-flagged charter vessels in 2026. Local
Atlantic NW
Three French Maritime Prefecture Atlantic orders: temporary regulated zones for the France–Spain interconnection cable route survey, a lock closure at the Rance tidal power plant, and the Grand Pavois event at La Rochelle. Nav restrictions
Bahamas
Three Bahamas Maritime Authority publications: a safety alert on allergies and anaphylaxis, updated technical and safety alerts guidance, and a revised fee schedule. Flag state
For any navigation warning or local ordinance, confirm positions, time windows, and chart updates with the issuing authority before operations.
29 notices
Eastern Mediterranean
Greece
Note: the same notices appear under two source labels in the data feed (Hellenic Navy Hydrographic Service and Greece HNHS NAVWARNs). Each entry below represents a single unique notice.
1173/2026 — Saronikos Gulf — light buoy unlit
A light buoy in the Saronikos Gulf is reported unlit. Vessels approaching Piraeus and the surrounding anchorages should navigate with caution, especially at night.
1170/2026 — Saronic Gulf, Gulf of Elefsina — autonomous surface vessel exercise
An exercise involving an autonomous surface vessel is being conducted in the Gulf of Elefsina. Vessels in the area should keep a sharp lookout and check the notice for the exercise area and times.
1169/2026 — Northeast Aegean, Oinousses Island — light unlit
A navigation light on Oinousses Island, northeast of Chios, is reported unlit. Vessels passing through the Chios Strait at night should navigate with caution.
1165/2026 — Southwest Aegean, Myrtoo Sea — Velopoula firing practice area activated
The Velopoula firing practice area in the Myrtoo Sea has been activated. Vessels on passage between the Peloponnese and the Cyclades should check the notice for times and keep clear of the area while it is active.
1162/2026 — North Cretan Sea, Kalami, Souda Bay — dangerous object (ammunition) reported
Ammunition has been reported in the sea near Kalami in Souda Bay, Crete. Vessels in the area should avoid anchoring, diving or any seabed activity near the reported position.
1158/2026 — Central Aegean — systems trials
Systems trials are being conducted in the Central Aegean. Vessels transiting the area should check the notice for the trial area and times and keep a good lookout.
1156/2026 — Karpathian Sea, Amoopi Bay, south of Karpathos — mine located
A mine has been located in the area of Amoopi Bay, south of Karpathos. Vessels should keep well clear of the reported position and avoid anchoring or diving nearby.
1155/2026 — South Ionian Sea, Kythira Island — Avlemonas light unlit
The Avlemonas light on Kythira Island is reported unlit. Vessels rounding the southern Peloponnese at night should navigate with caution.
1152/2026 — Saronikos Gulf — Plateia firing practice area activation extended
The activation of the Plateia firing practice area in the Saronikos Gulf has been extended. Vessels transiting the gulf should check the notice for the new dates and keep clear while the area is active.
1146/2026 — Maliakos Gulf, Stylida Channel — transit and anchoring prohibited during deepening works
Deepening works are under way in the Stylida Channel in the Maliakos Gulf. Transit, anchoring and any other activity are prohibited for all ships and pleasure craft while the works continue.
Northwestern Mediterranean
France · Mediterranean
Order 2026-386 — Marseille — navigation, anchoring, diving and swimming regulated for "L'Odyssée du Frioul", 3 October 2026
The French Maritime Prefecture for the Mediterranean has regulated navigation, anchoring, diving and swimming off Marseille for the event "L'Odyssée du Frioul" on 3 October 2026. Vessels near the Frioul islands on that date should check the order for the restricted area and times.
Order 2026-385 — Saint-Tropez — navigation and anchoring regulated for Les Voiles de Saint-Tropez, 28 September to 3 October 2026
The French Maritime Prefecture for the Mediterranean has regulated navigation, anchoring, swimming and diving off Saint-Tropez for Les Voiles de Saint-Tropez, 28 September to 3 October 2026. The order also makes temporary exceptions to the area's standing order 259/2024, so yachts in or near the Gulf of Saint-Tropez this week should read it before moving or anchoring.
Tyrrhenian Sea
Italy · Tyrrhenian
⚠ Italian Coast Guard ordinance links may become inactive once a temporary order expires. If a link is broken the notice has likely lapsed — confirm with the issuing harbour master's office if operational certainty is required.
Castellammare di Stabia 103/2026 — Seagrass restoration pilot — fishing, diving, swimming and navigation restricted
The Coast Guard office of Castellammare di Stabia has issued an ordinance for a pilot project replanting Posidonia seagrass using biodegradable mats. Fishing, diving, swimming and navigation are regulated around the works, so vessels in the area should check the ordinance before anchoring.
La Spezia 267/2026 — Removal of offshore pipeline and buoy field, Deposito di Arcola — navigation restriction
The Coast Guard office of La Spezia has issued an ordinance for the removal of an offshore oil pipeline and mooring buoy field belonging to the Deposito di Arcola. Vessels in the Gulf of La Spezia should keep clear of the works area.
Procida 24/2026 — Amendment to port ordinance 26/2010
The Coast Guard office of Procida has amended article 3 of its standing port and navigation ordinance 26/2010. Vessels using Procida harbour should check the amended text for any change to local port rules.
Southern Italy / Sicily / Ionian
Italy · South
⚠ Italian Coast Guard ordinance links may become inactive once a temporary order expires. If a link is broken the notice has likely lapsed — confirm with the issuing harbour master's office if operational certainty is required.
Gallipoli 177/2026 — Submerged submarine exercise, area Sierra 733 — navigation restriction
The Coast Guard office of Gallipoli has issued an ordinance for a submerged submarine exercise in area Sierra 733, restricting fishing, diving, swimming and navigation. Vessels on passage in the Gulf of Taranto should check the ordinance for the exercise dates and keep clear of the area.
Palermo 100/2026 — Mondello Bay — removal of mooring blocks from an aquatic park — navigation restriction
The Coast Guard office of Palermo has issued an ordinance for works lifting the seabed mooring blocks of an aquatic park being removed from Mondello Bay. Vessels near Mondello should keep clear of the works area.
Adriatic Sea
Italy · Adriatic
⚠ Italian Coast Guard ordinance links may become inactive once a temporary order expires. If a link is broken the notice has likely lapsed — confirm with the issuing harbour master's office if operational certainty is required.
Porto San Giorgio 65/2026 — Bathymetric survey — navigation restriction
The Coast Guard office of Porto San Giorgio has issued an ordinance for a bathymetric survey off its coast. Vessels in the area should keep clear of the survey vessel.
Porto San Giorgio 64/2026 — 10th Italian catch-and-release tuna spinning championship — fishing and navigation restriction
The Coast Guard office of Porto San Giorgio has regulated fishing and navigation for the 10th Italian catch-and-release tuna spinning championship. Vessels in the area should check the ordinance for the competition zone and dates and give competing boats a wide berth.
Venezia 097/2026 — Danger notice — underwater diving operations on the vessel MOROSINI
The Coast Guard office of Venice has issued a danger notice for underwater diving operations on the vessel MOROSINI. Vessels in the port of Venice should reduce speed near the operation and keep clear of the divers.
Venezia 098/2026 — Danger notice — People Mover timber fender repairs, Canale Colombuola
The Coast Guard office of Venice has issued a danger notice for repairs to the timber fendering of the People Mover structure in the Canale Colombuola. Vessels using this canal should proceed slowly and keep clear of the works.
Rimini 85/2026 — Biological protection area "Fuori Riccione–Misano Adriatico"
The Coast Guard office of Rimini has issued an ordinance covering the biological protection area off Riccione and Misano Adriatico, regulating navigation, fishing and swimming. Vessels off this stretch of coast should check the ordinance for the protected zone and any anchoring limits.
Northeastern Adriatic
Croatia
Approved cabotage authorisations for foreign-flagged charter vessels — 2026 list updated
The Croatian Maritime Authority has published an updated list of cabotage authorisations approved in 2026 for charter vessels flagged outside the European Union. Operators planning charters in Croatian waters on a non-EU-flagged yacht should confirm the vessel appears on the list before starting a charter.
Northeast Atlantic
France · Atlantic
⚠ These orders are issued by the French Maritime Prefecture for the Atlantic. Links are to the official signed documents (PDF). Verify expiry dates with the issuing authority.
Order 2026-170 — Temporary regulated zones for the France–Spain interconnection cable route survey (Landes and Gironde)
The French Maritime Prefecture for the Atlantic has created temporary regulated zones in French territorial waters off the Landes and Gironde coasts. They cover route preparation for the France–Spain electrical interconnection cable, so vessels on passage in the Bay of Biscay should check the order for the zones and keep clear of the survey vessels.
Order 2026-169 — Lock closure authorised at the Rance tidal power plant
The French Maritime Prefecture for the Atlantic has authorised a temporary interruption of lock operations at the Rance tidal power plant, between Saint-Malo and Dinard. Vessels planning to enter or leave the Rance estuary should check the order for the closure dates.
Order 2026-173 — La Rochelle — swimming ban lifted around the Phare du Bout du Monde for the Grand Pavois, 26 September 2026
The French Maritime Prefecture for the Atlantic made a one-day exception to the swimming ban around the Phare du Bout du Monde at La Rochelle for the Grand Pavois event on 26 September 2026. The event has now passed, and the order is listed here for the record.
Flag State
Bahamas
Safety Alert 26-03 — Allergies and anaphylaxis
The Bahamas Maritime Authority has issued a safety alert on allergies and anaphylaxis on board. Masters of Bahamian-flagged yachts should review it against their crew medical records, medical stores and emergency response arrangements.
IN012 — BMA technical and safety alerts
The Bahamas Maritime Authority has published an updated information notice on its technical and safety alerts. Owners and masters of Bahamian-flagged vessels should check how alerts are issued and make sure they are circulated on board.
MN050 — Fee schedule
The Bahamas Maritime Authority has published an updated fee schedule. Owners and management companies should check it before budgeting for registration, surveys and certification.
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