Sea Alert –
Sail safe
Sail with peace of mind. We watch over your safety. Sea Alert warns you about hazards before they become a problem.
Sail with peace of mind. We watch over your safety. Sea Alert warns you about hazards before they become a problem.
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Sea Alert informs you about hazards before they become a problem.
Sea Alert is a modern tool for sailors that continuously warns about navigational hazards that may affect the safety of your voyage.
The app delivers clear, concrete messages — exactly when you truly need them.
Everything you need to navigate safely in European waters.
Navigational warnings from all over Europe presented on a clear, interactive map.
Translate complex warnings to English, French, German, Polish, or Spanish instantly.
No internet at sea? No problem. Download data and use full functionality offline.
Get automatic notifications when you are sailing close to a reported hazard.
Add your own warnings for other sailors and share official alerts with your crew.
Mark warnings on your planned route as favorites for quick access.
You receive warnings about navigational hazards, changing conditions, and potentially dangerous events — before they affect your trip.
No need to constantly check multiple websites or search for sources. The app does it for you and highlights what matters on your route.
Clear messages, a transparent interface, and quick access to information — without chaos or unnecessary data.
Sea Alert is an app that doesn’t get in the way — it helps exactly when it’s needed.
We monitor navigational warnings from official sources in the following countries:
Poland
Germany
Denmark
Sweden
Norway
United Kingdom
France
Spain
Portugal
Italy
Greece
Croatia
Turkey
Belgium
Netherlands
Finland
Estonia
Latvia
Lithuania
Russia (Baltic)
...and 7 more.
Start with 14 days of a free trial. No credit card details. No commitments.
Try the app free for 14 days and see how much it can change your voyage.
Start free trialTOTAL APP DOWNLOADS
"Works well and is easy to use. I recommend it to every sailor."
- Tomek Z., Yachtsman
"Helps plan trips and gives a sense of safety. Great app!"
- Artur B., Skipper
"Very useful app! Alerts arrive on time and I feel safer on the water."
- Martyna W., Boat owner
"I tested the app on several cruises and it truly makes a difference. Alerts are clear and easy to read, and the interactive map helps you get oriented quickly. A tool that improves the safety and comfort of every voyage."
- Paweł M., Yacht Master Ofshore
No! Just install the app and test it for 14 days. No strings attached, no automatic charges.
Yes, Sea Alert has a full offline mode. You can download warnings for your area before leaving the port.