{"generated":"2026-10-19","source":"OpenStreetMap natural=reef / natural=shoal / natural=coastline (coarse warning layer)","licence":"ODbL 1.0","attribution":"© OpenStreetMap contributors, Open Database License (openstreetmap.org/copyright). Derived database: docs/launch/odbl/.","block":{"s":15,"w":-65,"n":20,"e":-60},"res":0.05,"W":100,"H":100,"n":427,"cells":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAAAAAAAPAAAAAAAAAAAAAAAAOAAAAAAAAAAAAAAAAYABAAAAAAAAAAAAAdAAAAAAAAAAAAAAHfwAAAAAAAAAAAAAD/8AAAAAAAAAAAAAAP/gAAAAAAAAAAAAAA/4AAAAAAAAAAAAAAA0AAAAP8AAAAAAAAACAAAAAHgAAAAAAAAAAAAAAA8AAAAAAAAAAAAAAAC4AAAAAAAAAAAAAAAPAAAAAAAAAAAAAAAAeAAAAAAAAAAAAAAAAGAAAAAAAAAAAAAAAA+AAAAAAAAAAAAAAAA4AAAAAAAAAAAAAAAAAAAAAAAAAD+AAAYAAAAAAAAAAAL4AABwAAAAOAAAAAB8AAAH0AAAA8AAAAAAAAAAPwAAADQAAAAAAAAAD+AAAAPAAAAAAAAAAf+YAAAMAAAAAAAAB//xwAAAAAAAAAAAAH//g4AAAAAAAAAAAAH/+DwAAAAAAAAAAAAf/wHgAAAAAAAAAAAA/+APAAAAAAAAAAAAB/gAOAAAAAAAAAAAAHAAAcADwAAAAAAAAAAAABwAfgAAAAAAAAAAAAGABmAAAAAAAAAAAAAAAD4AAAAAAAAAAAAAAADAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAYAAAAAAAAAAAAAAABwAAAAAAAAAAAAAAAFAAAAAAAAAAAAAAAAcAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADAAAAAAAAAAAAAAAAcAAAAAAAAAAAAAAABYAAAAAAAAAAAAAAD/gAAAAAAAAAAAAAAfzjAAAAAAAAAAAAABHDoAAAAAAAAAAAAAGP+AAAAAAAAAAAAAAI8EAAAAAAAAAAAAAAjAAAAAAAAAAAAAAACIAAAAAAAAAAAAAAANggAAAAAAAAAAAAAAcHAAAAAAAAAAAAAABgWAAAAAAAAAAAAAABhwAAAAAAAAAAAAAAOAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAAAAAAAAAAAAAADgAAAAAAAAAAAAAAALgAAAAAAAAAAAAAAAiAAAAAAAAAAAAAAADMAAAAAAAAAAAAAAAMwAAAAAAAAAAAAAAAbAAAAAAAAAAAAAAAAsAAAAAAAAAAAAAAACwAAAAAAAAAAAAAAAOAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA="}