SeaChart
SeaChart Global Limited
SeaChart is operated by SeaChart Global Limited, a New Zealand company.
SeaChart
SeaChart combines an online nautical chart preview with an Android app for offline charts, GPS tracks, routes, tides and weather. Available detail depends on data coverage, your device and your plan.
SeaChart Connect
SeaChart Connect is our travel eSIM service. Compare destinations, data allowances, validity and supported networks before buying. Service uses land-based mobile networks; it is not satellite connectivity.
Data sources & licences
Our charts combine mapping and marine datasets from the providers listed on the data sources page. Coverage, survey detail and update schedules vary by source. SeaChart does not replace official nautical charts or current local notices.
Support
For app or eSIM help, contact us at the email below. For a technical issue, include your app version, device and a description of the problem. Never send passwords, card details or eSIM activation codes.