Blue Dolphin 
Nautical navigation for the Croatian Adriatic. Made for small boats, charter crews and weekend skippers.
An offline chart of the whole Croatian coast, live navigation with depth and speed warnings, saved marks with guided approach, safe route planning that knows every bridge and strait, trip recording, and official DHMZ marine weather. In 12 languages. No account, no tracking. Your position never leaves your phone.
VERY SOON
VERY SOON
How do I…?
The guide is organised as questions, in the order a new user asks them, not as a feature list. Pick the one that matches yours, or type a word below and search all of them. The full list of chapters is in the menu on the left (on a phone: "All chapters", above).
- I opened the app. Where is my boat? Where is my boat? →
- Which arrow is me, and what is the dashed line in front of it? Where is my boat? →
- I moved the chart and lost my boat. How do I get back? Where is my boat? →
- How do I zoom and look around the chart? Moving around the chart →
- What are all the buoys and lights on the chart? Moving around the chart →
- Where do I see my speed? What are the numbers at the bottom? Your speed and the numbers →
- What are the three extra lines under my speed? Your speed and the numbers →
- How far is it, and when will I get there? Your speed and the numbers →
- How close am I to the coast? Where does the 300 m zone start? How close to the coast am I? →
- Why does the app tell me to lower my speed? Warnings →
- What do the amber and red banners mean? Warnings →
- Why does the banner say “< 50 m” to shore? Warnings →
- How do I tell the app how deep my boat sits? Your boat →
- How do I mark my favourite anchorage? Marks →
- How do I find my fish pot (vrša) again? Marks →
- How do I save my favourite beach and get back to it? Marks →
- I dropped a mark by mistake. How do I undo it? Marks →
- How do I get somewhere without planning a whole route? Routes →
- How do I plan a trip in advance? Routes →
- Why is part of my route drawn red? Routes →
- Why is my route just a straight red line? Routes →
- How do I undo a change in the route editor? Routes →
- The app closed while I was following a route. Can I continue? Routes →
- How do I record a trip and replay it later? Trips →
- Where is the marine weather? Can I get it in my language? Weather →
- How do I check if a bridge is too low for my mast? Bridges & straits →
- Can my sailboat get under the Dubrovnik bridge? Bridges & straits →
- Is the Krka deep enough to reach Skradin? Bridges & straits →
- How do I change the language? Language, units & night →
- Can I use it at night? Language, units & night →
- My phone's language is not in the list. What do I get? Language, units & night →
- Why does my screen stay on while I navigate? Language, units & night →
- Is my position or data sent anywhere? Privacy →
- What does the app download, and when? Privacy →
- What does this app NOT do? What this app is not →
- How can I help make the charts better? Contribute & support →
- How do I report a bad translation? Contribute & support →
Nothing matches. Try another word, or pick a chapter on the left.