NOAA S-57 chart cell
Apalachee Bay
US4FL1WM
- Usage band
- Approach · code 4
- Current edition
- 4.0
- Features
- 382
- S-57 layers
- 30
- Published
- Feb 11, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 30.00000° N
- South
- 29.70000° N
- West
- 84.00000° W
- East
- 83.70000° W
- Center
- 29.85000° N, 83.85000° W
- Bounds area
- 281 sq nm
- Feature density
- 1.3575 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 12.7
- Smallest layer
- 1
- Largest layer
- 88
- Area sq km
- 965
- Features per sq km
- 0.39579
- DEPARE Depth area 88
- DEPCNT Depth contour 87
- RIVERS River 60
- SBDARE Seabed area 53
- COALNE Coastline 39
- LNDRGN Land region 8
- LNDARE Land area 6
- OFSPLF 5
- SEAARE Sea area 4
- SOUNDG Sounding 4
- MAGVAR Magnetic variation 3
- WRECKS Wreck 3
- ADMARE 2
- CBLSUB 2
- M_QUAL Data quality 2
- VEGATN 2
- BCNSPP Special purpose beacon 1
- CONZNE 1
- COSARE 1
- CTNARE Caution area 1
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/US4FL1WM.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4FL1WM/4.0/US4FL1WM.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4FL1WM/4.0/US4FL1WM.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4FL1WM/4.0/US4FL1WM.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4FL1WM/4.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 4.0 | Feb 11, 2026 | metadata.json |