Gulf Intracoastal Waterway - Lake Pontchartrain, Mississippi Sound to Gulf of America

North

31.20000° N

South

30.00000° N

West

90.00000° W

East

88.80000° W

Center

30.60000° N, 89.40000° W

Bounds area

4,468 sq nm

Feature density

0.0783 / sq nm

Average features per layer

9.5

Smallest layer

1

Largest layer

92

Area sq km

15,325

Features per sq km

0.02284

1. COALNE Coastline 92
2. LNDARE Land area 52
3. LNDRGN Land region 30
4. SLCONS Shoreline construction 23
5. BRIDGE 18
6. SEAARE Sea area 16
7. DEPARE Depth area 14
8. DEPCNT Depth contour 12
9. OBSTRN Obstruction 11
10. BUAARE 8
11. RIVERS River 8
12. WRECKS Wreck 7
13. LIGHTS Light 6
14. SBDARE Seabed area 6
15. TESARE 6
16. SOUNDG Sounding 5
17. FAIRWY Fairway 3
18. LNDMRK 3
19. M_QUAL Data quality 3
20. UNSARE 3

1. Lake Pontchartrain US3LA1DC - about 62 nm away
2. Mobile Bay to Mississippi Sound and Gulf of America US3AL1BA - about 62 nm away
3. Approaches to Mississippi River and Gulf of America US3LA1CD - about 72 nm away
4. Approaches to Mississippi River US3GC04M - about 89 nm away
5. Gulf Intracoastal Waterway - New Orleans to Morgan Ciy and Gulf of America US3LA1CC - about 95 nm away
6. Approaches to Mobile Bay and Mississippi Sound and Gulf of America US3AL1AA - about 95 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/US3MS1AA.zip
• S-57 cell https://charts.openships.ai/noaa/s57/coastal/US3MS1AA/1.0/US3MS1AA.000
• GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3MS1AA/1.0/US3MS1AA.geojson
• GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3MS1AA/1.0/US3MS1AA.parquet
• Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3MS1AA/1.0/metadata.json

Editions