NOAA S-57 chart cell
Southern Puget Sound, WA
US4WA1GI
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 1,371
- S-57 layers
- 41
- Published
- Sep 26, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 47.70000° N
- South
- 47.40000° N
- West
- 123.00000° W
- East
- 122.70000° W
- Center
- 47.55000° N, 122.85000° W
- Bounds area
- 219 sq nm
- Feature density
- 6.2609 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 33.4
- Smallest layer
- 1
- Largest layer
- 319
- Area sq km
- 751
- Features per sq km
- 1.82539
- COALNE Coastline 319
- SLCONS Shoreline construction 216
- DEPARE Depth area 157
- DEPCNT Depth contour 152
- LNDRGN Land region 92
- SBDARE Seabed area 75
- RIVERS River 43
- UWTROC Underwater rock 39
- PONTON 31
- LNDARE Land area 25
- SLOTOP 24
- BUAARE 21
- OBSTRN Obstruction 21
- SEAARE Sea area 21
- M_QUAL Data quality 17
- LIGHTS Light 15
- PILPNT 14
- LAKARE 12
- SOUNDG Sounding 9
- BCNSPP Special purpose beacon 8
Nearby Chart Cells
Approach 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.
- Original NOAA ZIP archive https://www.charts.noaa.gov/ENCs/US4WA1GI.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4WA1GI/1.1/US4WA1GI.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4WA1GI/1.1/US4WA1GI.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WA1GI/1.1/US4WA1GI.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WA1GI/1.1/US4WA1GI.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WA1GI/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Sep 26, 2025 | metadata.json |