{"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":75,"w":-105,"n":80,"e":-100},"res":0.05,"W":100,"H":100,"n":1646,"cells":"AAAAAAAAAAAAAAAAwAAAAAAAAAAAAAAADAAAAAAAAAAAAAAAAPAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABwAAAAAAAAAAAAAAQf/8AAAAAAAAAAAD//AA/8AAAAAAAAAAAAAAAHfYAAAAAAAAAAAAAAAHgAAAAAAAAAAAAAAAHgAAAAAAAAAAAAAAAHwAAAAAAAA4AAAAAADAH//gAAAC+AAAAAAMfwAfAAAAA4f8AAAD5gAAP+AAAOHYfAAAPuAAAAYAADgwB8AAAHgAAAHAAAP+B++AAAAAAAB8f/AwAH//8AAAAAAAfmP4AAAHP4AAAAAAAAAAwAAB/4AAAAAAAAAABAAAf/4AAAAAAAAAAF//gAfgAAAAAAAAAAMAD//8AAAAAAAAAAAgAAADAAAAAAAAAAADgAAAAAAAAAAAAAAADwAAAA//wAAAAAAAAB8AA/+AcAAAAAAAAAAf+fAA/9//+AAAAAAAAPAAeGeAA/8IAAAAAAAAHDwAAH4f4AAAAAAAAfwAAAAAB+AAAAAAAAAAAAAAAA8AAAAAAAAAAAAAAABgAAAAAAAAAAAAAAADAAAAAAAAAAAD44AAHgAAAAAAAAAf5+/8AD4AAAAAAAABgAAAeAA/wAAAAAAAHgAAAPAAAAAAAAAAAH8A//+AAAAAAAAAAAAf+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAIAAAAAAAAAAAAAAAA/AAAAAAAAAAAAAAAAHgAAAAAAAAAAAAAAADwAAAAAAAAAAAAAAADgAAAAAAAAAAAAAAADAAAAAAAAAAAAAAMAf+AAAAAAAAAAAAAf/w4AAAAAAAAAAAAAAH+dwAAAAAAAAAAAAAAAHAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAcAAAAAAAAAAAAAAAAAH/gwAAAAAAAAAAAAHwPvAB/8AAAAAAAA/wfgAD8A/AAAAABf/B/H/wMAPnwAAAAH//8HwAAfAAD/AAAAAAAP4AAA+AAAn4AAA/AA4AAAA4AAADgAAeP+A4AAAD/wAD4AADwAPg//4AD/////8A8AAHzADwAAB//wAYDwAcYAf/AAf+AAAAwP//x/A/cAPAAAAAHAAPgAHm/wA4AAAAD4AHgAAD+eAA/+A7///gYAAAf+YAAA///wB+x4DgAAPwAAB/8B///4/8AAAeAAAHz//+A/8cAAAA8AAAP/xgA//f+AAAAAAAAf5+AG4AH8PAAAAAAAAP+/z+AB/4AAAAAAAAGMD/8AAAAAAAAAAAAAA8BwAAAAH/AAAAAAA/gAAH4///sAAAAAABwB///+///QAAAAAAD/8wD/x/p/AAAAAAABAAAAAAB/8Af/wAAAAAAAAAB/6AHABwAAAAAAAAAP8ABwABwAAAAAAAAAffgOAADAAAAAAAAAAH/gwAAOAAAAAAAAAAf/eAAAOAAAAAAAAAB4B4AADwAAAAAAAAABwA/AH4AAAAAAAAAACAAH/4AAAAAAAAAAAPg="}