How to Read a Maritime Ordinance: A Practical Guide for Boaters

Navigating the waters of Teulada and Porto Zafferano requires a skill set that goes beyond handling a vessel: the ability to interpret Coast Guard Port Authority Ordinances (Ordinanze della Capitaneria di Porto). These documents, often written in archaic bureaucratic language, are the only sources that state with certainty where you can drop anchor and where you risk a legal summons.

Not knowing the ordinance is not a valid excuse when facing the Coast Guard. Here is how to break down and understand these fundamental texts.

Anatomy of an Ordinance

The key points to look for in every Port Authority document to ensure you are never caught unprepared.

The Recitals (Visto): Lists the superior laws (e.g., Code of Navigation) upon which the act is based.
Public Notice (Rende Noto): Specifies the event (e.g., military exercise or seasonal opening).
The Order (Ordina): The core of the document: lists mandatory prohibitions and obligations.
Penalties (Sanzioni): Indicates which articles of the code will be applied in case of a violation.
Validity: The exact dates and times the rules are in effect.

1. Where to find Official Ordinances

Ordinances regarding Porto Zafferano are issued by the Sant’Antioco Coast Guard Port Authority. Do not rely on Facebook posts or outdated blogs.

Online Official Notice Board (Albo Pretorio): Every Port Authority has an ‘Ordinances’ section on the official Coast Guard website.
Institutional Apps: There are services that notify new issuances for the relevant Maritime District.

Pro Tip

Always look for the annual ‘Summer Safety Ordinance’ (Ordinanza Balneare), usually issued in May, and check for specific ‘Supplementary Ordinances’ related to the Capo Teulada Military Range.

2. Decoding the Technical Glossary

Here are the terms you will encounter most often and what they actually mean for you:

Prohibited Sea Area (Specchio Acqueo Interdetto): A sea zone where you cannot enter, not even with the engine off.
Drifting/Unpowered Navigation (Navigazione in Deriva): Sailing or navigating without constant engine use (often regulated near beaches).
Inner Range Waters (Acque Interne al Poligono): Indicates the area is under military jurisdiction and standard nautical rules may be suspended.
Roadstead/Anchorage (Rada): A natural stopping area (like Porto Zafferano). If the ordinance says ‘anchorage prohibited in the roadstead,’ you may only pass through without stopping.

Does it seem complicated? Our skippers read and apply these ordinances every day for you.

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3. Coordinates: The Compass of Legality

Ordinances do not say ‘near the big rock’; they use geographic coordinates (Latitude and Longitude).

Typical Example: “Navigation is prohibited East of point A (38° 53’ N - 008° 39’ E)”. Without a chart plotter GPS or an updated navigation app, reading the ordinance is useless. Ensure your onboard system uses the same datum (usually WGS84) cited in the document.

Why trust VerdeBlue Rent?

Interpreting an ordinance while steering a boat in Mistral winds is not ideal for a relaxing holiday. VerdeBlue Rent receives all circulars from the Coast Guard and the Ministry of Defence in real-time.

When you step on board with us or rent one of our vessels, we provide you with a briefing updated to the very last minute. Your only concern will be choosing your sunscreen.

Attention

Ordinances can change with as little as 24 hours’ notice in the event of extraordinary military activities. We are the first to know.

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Last technical revision: May 2026. This guide assists in interpretation but does not replace original texts published by the Coast Guard.