EPSG:32199

NAD83 / Louisiana Offshore

Available transformations
to EPSG:4326
EPSG:4326 - WGS 84

Selected transformation

Name: NAD83 to WGS 84 (6)

Remarks:

Information source: OGP

Revision date: 2000-10-19

Attributes

Unit: metre

Geodetic CRS: NAD83

Datum: North American Datum 1983

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: OGP

Revision date: 2025-07-10

Scope: No official usage.

Remarks: This system is NOT used for oil industry purposes. State law defines system in US survey feet. See code 3453 for equivalent non-metric definition.

Area of use: United States (USA) - central Gulf of Mexico outer continental shelf (GoM OCS) planning area, deep water portion.

Coordinate system: Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: m.

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SimpleMap

Center coordinates
2697779.3 3420198.81

Projected bounds:
1749628.49 2240651.32
3811740.5 4742832.58

WGS84 bounds:
-79.85 44.99
-57.1 62.62

Canada - Quebec.
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Definition: OGC Well Known Text

PROJCS["NAD83 / Louisiana Offshore",
    GEOGCS["NAD83",
        DATUM["North_American_Datum_1983",
            SPHEROID["GRS 1980",6378137,298.257222101,
                AUTHORITY["EPSG","7019"]],
            AUTHORITY["EPSG","6269"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4269"]],
    PROJECTION["Lambert_Conformal_Conic_2SP"],
    PARAMETER["latitude_of_origin",25.5],
    PARAMETER["central_meridian",-91.3333333333333],
    PARAMETER["standard_parallel_1",27.8333333333333],
    PARAMETER["standard_parallel_2",26.1666666666667],
    PARAMETER["false_easting",1000000],
    PARAMETER["false_northing",0],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","32199"]]

Definition: OGC Well Known Text 2 (2019)

PROJCRS["NAD83 / Louisiana Offshore",
    BASEGEOGCRS["NAD83",
        DATUM["North American Datum 1983",
            ELLIPSOID["GRS 1980",6378137,298.257222101,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",4269]],
    CONVERSION["SPCS83 Louisiana Offshore zone (meter)",
        METHOD["Lambert Conic Conformal (2SP)",
            ID["EPSG",9802]],
        PARAMETER["Latitude of false origin",25.5,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8821]],
        PARAMETER["Longitude of false origin",-91.3333333333333,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8822]],
        PARAMETER["Latitude of 1st standard parallel",27.8333333333333,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8823]],
        PARAMETER["Latitude of 2nd standard parallel",26.1666666666667,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8824]],
        PARAMETER["Easting at false origin",1000000,
            LENGTHUNIT["metre",1],
            ID["EPSG",8826]],
        PARAMETER["Northing at false origin",0,
            LENGTHUNIT["metre",1],
            ID["EPSG",8827]]],
    CS[Cartesian,2],
        AXIS["easting (X)",east,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["northing (Y)",north,
            ORDER[2],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["No official usage."],
        AREA["United States (USA) - central Gulf of Mexico outer continental shelf (GoM OCS) planning area, deep water portion."],
        BBOX[25.58,-93.38,29.35,-86.53]],
    ID["EPSG",32199]]

Definition: ESRI Well Known Text

PROJCS["NAD_1983_StatePlane_Louisiana_Offshore_FIPS_1703",
    GEOGCS["GCS_North_American_1983",
        DATUM["D_North_American_1983",
            SPHEROID["GRS_1980",6378137.0,298.257222101]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Lambert_Conformal_Conic"],
    PARAMETER["False_Easting",1000000.0],
    PARAMETER["False_Northing",0.0],
    PARAMETER["Central_Meridian",-91.3333333333333],
    PARAMETER["Standard_Parallel_1",27.8333333333333],
    PARAMETER["Standard_Parallel_2",26.1666666666667],
    PARAMETER["Latitude_Of_Origin",25.5],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=lcc +lat_0=25.5 +lon_0=-91.3333333333333 +lat_1=27.8333333333333 +lat_2=26.1666666666667 +x_0=1000000 +y_0=0 +datum=NAD83 +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:32199","+proj=lcc +lat_0=25.5 +lon_0=-91.3333333333333 +lat_1=27.8333333333333 +lat_2=26.1666666666667 +x_0=1000000 +y_0=0 +datum=NAD83 +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "NAD83 / Louisiana Offshore",
    "base_crs": {
        "type": "GeographicCRS",
        "name": "NAD83",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "North American Datum 1983",
            "ellipsoid": {
                "name": "GRS 1980",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257222101
            }
        },
        "coordinate_system": {
            "subtype": "ellipsoidal",
            "axis": [
                {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                },
                {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 4269
        },
        "remarks": "Longitude is POSITIVE EAST. The adjustment included connections to Greenland and Mexico but the system was not adopted there. For applications with an accuracy of better than 1m replaced by NAD83(HARN) in the US and PRVI and by NAD83(CSRS) in Canada."
    },
    "conversion": {
        "name": "SPCS83 Louisiana Offshore zone (meter)",
        "method": {
            "name": "Lambert Conic Conformal (2SP)",
            "id": {
                "authority": "EPSG",
                "code": 9802
            }
        },
        "parameters": [
            {
                "name": "Latitude of false origin",
                "value": 25.5,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8821
                }
            },
            {
                "name": "Longitude of false origin",
                "value": -91.3333333333333,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8822
                }
            },
            {
                "name": "Latitude of 1st standard parallel",
                "value": 27.8333333333333,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8823
                }
            },
            {
                "name": "Latitude of 2nd standard parallel",
                "value": 26.1666666666667,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8824
                }
            },
            {
                "name": "Easting at false origin",
                "value": 1000000,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8826
                }
            },
            {
                "name": "Northing at false origin",
                "value": 0,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8827
                }
            }
        ]
    },
    "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
            {
                "name": "Easting",
                "abbreviation": "X",
                "direction": "east",
                "unit": "metre"
            },
            {
                "name": "Northing",
                "abbreviation": "Y",
                "direction": "north",
                "unit": "metre"
            }
        ]
    },
    "scope": "No official usage.",
    "area": "United States (USA) - central Gulf of Mexico outer continental shelf (GoM OCS) planning area, deep water portion.",
    "bbox": {
        "south_latitude": 25.58,
        "west_longitude": -93.38,
        "north_latitude": 29.35,
        "east_longitude": -86.53
    },
    "id": {
        "authority": "EPSG",
        "code": 32199
    }
}

Definition: GeoServer

32199=PROJCS["NAD83 / Louisiana Offshore",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6269"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",25.5],PARAMETER["central_meridian",-91.3333333333333],PARAMETER["standard_parallel_1",27.8333333333333],PARAMETER["standard_parallel_2",26.1666666666667],PARAMETER["false_easting",1000000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","32199"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=lcc"
	"lat_0=25.5"
	"lon_0=-91.3333333333333"
	"lat_1=27.8333333333333"
	"lat_2=26.1666666666667"
	"x_0=1000000"
	"y_0=0"
	"datum=NAD83"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=lcc +lat_0=25.5 +lon_0=-91.3333333333333 +lat_1=27.8333333333333 +lat_2=26.1666666666667 +x_0=1000000 +y_0=0 +datum=NAD83 +units=m +no_defs +type=crs">
	<Layer srs="+proj=lcc +lat_0=25.5 +lon_0=-91.3333333333333 +lat_1=27.8333333333333 +lat_2=26.1666666666667 +x_0=1000000 +y_0=0 +datum=NAD83 +units=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 32199, 'EPSG', 32199, '+proj=lcc +lat_0=25.5 +lon_0=-91.3333333333333 +lat_1=27.8333333333333 +lat_2=26.1666666666667 +x_0=1000000 +y_0=0 +datum=NAD83 +units=m +no_defs +type=crs', 'PROJCS["NAD83 / Louisiana Offshore",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6269"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",25.5],PARAMETER["central_meridian",-91.3333333333333],PARAMETER["standard_parallel_1",27.8333333333333],PARAMETER["standard_parallel_2",26.1666666666667],PARAMETER["false_easting",1000000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","32199"]]');