Approaches to Port Royal Sound

North

32.40000° N

South

32.10000° N

West

80.70000° W

East

80.40000° W

Center

32.25000° N, 80.55000° W

Bounds area

274 sq nm

Feature density

10.795 / sq nm

Average features per layer

61.7

Smallest layer

1

Largest layer

632

Area sq km

941

Features per sq km

3.14732

1. DEPCNT Depth contour 632
2. DEPARE Depth area 631
3. RIVERS River 405
4. COALNE Coastline 287
5. LNDARE Land area 238
6. LNDRGN Land region 197
7. SBDARE Seabed area 140
8. SLCONS Shoreline construction 90
9. OBSTRN Obstruction 42
10. SEAARE Sea area 38
11. M_QUAL Data quality 33
12. BOYLAT Lateral buoy 31
13. LIGHTS Light 23
14. WATTUR 18
15. CTNARE Caution area 16
16. SOUNDG Sounding 13
17. RETRFL 12
18. MARCUL 10
19. PONTON 10
20. PILPNT 9

1. Port Royal Sound to Broad River and Calibogue Sound US4SC1AL - about 15 nm away
2. Approaches to Saint Helena Sound - North Atlantic Ocean US4SC1AN - about 15 nm away
3. Approaches to Savannah River and Calibogue Sound US4GA1DI - about 18 nm away
4. Saint Helena Sound, Coosaw, and Morgan Rivers US4SC1BM - about 18 nm away
5. Whale Branch to Broad River US4SC1BL - about 24 nm away
6. North Atlantic Ocean - Approaches to Saint Helena Sound and North Edisto River US4SC1BN - about 24 nm away

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/US4SC1AM.zip
• S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4SC1AM/1.1/US4SC1AM.000
• S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4SC1AM/1.1/US4SC1AM.001
• GeoJSON https://charts.openships.ai/noaa/s57/approach/US4SC1AM/1.1/US4SC1AM.geojson
• GeoParquet https://charts.openships.ai/noaa/s57/approach/US4SC1AM/1.1/US4SC1AM.parquet
• Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4SC1AM/1.1/metadata.json

Editions