NOAA S-57 chart cell

Seward, AK

US5AK5ZW

Usage band
Harbor · code 5
Current edition
1.1
Features
99
S-57 layers
29
Published
Mar 26, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
60.15000° N
South
60.07500° N
West
149.40000° W
East
149.25000° W
Center
60.11250° N, 149.32500° W
Bounds area
20 sq nm
Feature density
4.899 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
3.4
Smallest layer
1
Largest layer
17
Area sq km
69
Features per sq km
1.42831
  1. SLCONS Shoreline construction 17
  2. DEPCNT Depth contour 12
  3. DEPARE Depth area 10
  4. COALNE Coastline 6
  5. RIVERS River 6
  6. M_QUAL Data quality 5
  7. PILPNT 5
  8. MORFAC 4
  9. SOUNDG Sounding 4
  10. LNDRGN Land region 3
  11. SBDARE Seabed area 3
  12. CBLSUB 2
  13. LNDARE Land area 2
  14. M_NPUB 2
  15. MAGVAR Magnetic variation 2
  16. SEAARE Sea area 2
  17. UWTROC Underwater rock 2
  18. BCNLAT Lateral beacon 1
  19. BOYSPP Special purpose buoy 1
  20. CTNARE Caution area 1

Nearby Chart Cells

Harbor usage band

Current Edition Files

The NOAA ZIP archive is the upstream source for this chart cell; the other files are Open Ships generated derivatives for web and GIS use.

Editions

Edition Published Metadata
1.1 Mar 26, 2025 metadata.json