GIS
National Program
File Type: Pipe delimited text
Data Source: NWS Marine Zones
Naming convention: mar xxx ddmmyy - where xxx is indicator for EAS, NWR, or ST and ddmmyy = day-month-year
Description: Contains codes for the Emergency Alert System (EAS) and NOAA Weather Radio (NWR)
| Description | Valid Date | Download Link |
|---|---|---|
| Coastal & Offshore Marine Area & Zone Codes for EAS | 8 March 2023 | mareas08mr23.txt |
| 19 September 2023 | mareas19se23.txt | |
| Coastal & Offshore Marine Area & Zone Codes, including Marine Synopses, for NWR | 8 March 2023 | marnrw08mr23.txt |
| 19 September 2023 | marnrw19se23.txt | |
| Coastal & Offshore Marine Area Names & Codes for EAS and NWR | 5 December 2017 | marst05de17.txt |
File layout for mareas*.txt and marnwr*.txt:
| Name | Description |
|---|---|
| SSALPHA | Marine Area 2-letter abbreviation (for Marine Area name, see [marstddmmyy] file) |
| SSNUM | Marine Area & Zone 5-digit identifier (FIPS State and County equivalent) |
| ZONENAME | Name of Marine Zone/Marine Synopsis |
| Lon | Longitude of Centroid [decimal degrees] |
| Lat | Latitude of Centroid [decimal degrees] |
File layout for marst:
| Name | Description |
|---|---|
| SSALPHA | Marine Area 2-letter abbreviation (USPS State abbreviation equivalent) |
| SSNUM | Marine Area 2-digit identifier (FIPS State equivalent) [SS] |
| ABBNAME | Abbreviated Name of Marine Area |
| AREANAME | Full Name of Marine Area |
