How to Add Map Layers in ShipAtlas

Step 1

Make sure your screen shows the map page in ShipAtlas.

Click on the paintbrush button near the upper right corner under the search bar.

The "Styles and Layers" menu will appear on your screen.

Step 2

Choose the map layer/ you prefer by clicking the button next to it.

The button will turn blue when selected.

Usually, the map behind the menu will also change according to your choices.

You can choose between ECA/SECA, INL, Polar Codes, Sea Ice, Canals, EEZ, Load Lines, and Anti Shipping Activities.

Once you have clicked on your preferred map layer close the menu by clicking on the "X" in the left upper corner of the menu or by clicking on the ShipAtlas map behind the menu.

Note that the satellite map style does not combine with any of the map layers.

An example of the "ECA/SSECA Zones", "Load Line Zones" and "Sea Ice Map" layers:

Step 3

If you want to remove or change the layers, open the "Styles and Layers" menu once again. To remove your layers, click on the buttons next to the same layers that are already added to your map. The button will turn grey when a layer is unselected.

Once you have made your choices close the menu.

An example of the "Anti Shipping Activity" and "Canals" layer:

Step 4

Keep exploring the different map layers!

You can add multiple map layers at a time. Just click on the one you want to add!

We also recommend using this feature combined with the ShipAtlas sea route calculator.

An example of the Polar Codes and Sea Ice Map layers with the standard map projection:

An example of the Economical Zones layer with the globe projection:

The Purpose of Map Layers


ECA/SECA stands for Emission Control Area/Sulphur Emission Control Area.

As of 1st January 2020, International Maritime Organization (IMO) enforced the Sulphur Emission Regulations, which require that all ships shall reduce their Sulphur emissions from 3,5 % to 0,5% in all of the world's seas.

Implementing the global 0.50% Sulphur limit has not changed the requirements applicable to the four ECAs designated under Regulation 14 of MARPOL Annex VI. So in the North American US Caribbean, the North Sea, and the Baltic 0,10% Sulphur limit continues to apply. In addition, several countries have implemented even stronger limits in their ECA/SECA zones. To find the applicable regulation click on the highlighted sone to get the specific requirements.

Note that you can click on the different zones to get more information about them.


The International Navigating Limits (INL) define the geographical limits within which ships can operate without incurring additional insurance premiums from hull and machinery and other relevant underwriters.

Note that you can click on each area for specific information about the limits.


Clicking on this icon highlights the area covered by IMO´s polar water codes

which set rules for ships operating in this area.

Note that you can click on the different zones to get more information about them.

Sea Ice

Clicking this icon will give you the limits of the current sea ice.

It is updated from NSIDC daily.


Clicking canals highlights important canals on the map.

When clicking the highlighted canal in the map you will see the applicable restrictions.

Note that you can click on the different canals to get more information about them.


This shows you the Exclusive Economic Zone at sea of each country.

Note that you can click on the different zones to get more information about them.

Load Lines

Clicking the applicable load line zone gives you the dates when

there are deadweight restrictions in each zone.

Note that you can click on the different zones to get more information about them.

Anti Shipping Activity

Turning on this layer will highlight areas where anti-shipping incidents have taken place in the last 365 days. Clicking on each highlight will give you a description of the incident.

Note that you can click on the different zones to get more information about them.

Next step

Congratulations! 🎉

You now know how to add map layers to your ShipAtlas map.

In our next guide, you will learn more about the weather layers in ShipAtlas.

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