NOAA S-57 chart cell
Strait of Juan De Fuca
US4WA1IF
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 330
- S-57 layers
- 41
- Published
- May 4, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 48.32591° N
- South
- 48.00000° N
- West
- 123.90000° W
- East
- 123.60000° W
- Center
- 48.16296° N, 123.75000° W
- Bounds area
- 235 sq nm
- Feature density
- 1.4037 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 8
- Smallest layer
- 1
- Largest layer
- 53
- Area sq km
- 806
- Features per sq km
- 0.40925
- SBDARE Seabed area 53
- UWTROC Underwater rock 52
- DEPARE Depth area 34
- DEPCNT Depth contour 32
- WEDKLP 22
- LNDELV 19
- COALNE Coastline 14
- SLOGRD 13
- BUISGL 10
- LNDARE Land area 9
- SEAARE Sea area 7
- CBLSUB 6
- M_QUAL Data quality 6
- SLOTOP 6
- SOUNDG Sounding 4
- LNDMRK 3
- LNDRGN Land region 3
- OBSTRN Obstruction 3
- RIVERS River 3
- BOYSPP Special purpose buoy 2
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/US4WA1IF.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4WA1IF/1.1/US4WA1IF.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4WA1IF/1.1/US4WA1IF.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WA1IF/1.1/US4WA1IF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WA1IF/1.1/US4WA1IF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WA1IF/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | May 4, 2026 | metadata.json |