Every shirt carries a real nautical chart: surveyed coastlines, sonar depth contours, the exact coordinates of the break and the swell window that lights it up. Drawn from the same ocean data that powers the SurfMap forecast.
5,877 spots charted · 60 printed so far
No shirt for this break yet. Ask for it and it can join the next edition.
North Beira · Portugal · 39°35′59″N 009°04′33″W
The canyon that turns groundswell into giants.
The chart as a card: graticule, soundings, title block.
No frame. The linework prints straight on the fabric.
Every design starts where real charts live: in survey data, depth soundings and the shape of the seabed. We draw each break from OpenStreetMap coastlines and GMRT sonar bathymetry, set the type the way a hydrographic office would, and print it on a shirt that feels like it has been to sea.
“For the surfer who knows the shape of the seabed is part of the story.”
The same ocean data that draws these charts powers the SurfMap surf forecast.
See the forecast app
