Overview of Coastal, Offshore and High Seas Marine Zones
Detailed view of the Marine Zones and access to forecasts.
Detailed view of the Offshore Zones and access to forecasts.
Shapefile Type: Polygon
Data source: Coastline derived from US Counties
Naming convention: mzddmmyy (coastal marine zones), ozddmmyy (offshore zones), hzddmmyy (high seas zones) where ddmmyy = day-month-year
NWS Specifications: NWSI 10-302
Description: The NWS issues marine forecasts, watches, warnings and advisories for a set of defined zone for offshore and coastal waters of the U.S.
| Description | Valid date | Data Download | # Records | MD5SUM | Documentation | |
|---|---|---|---|---|---|---|
| Coastal Marine Zones Including the Great Lakes |
13 September 2022 | mz13se22.zip | 507 | edd4bc1231093d483f1e137865f69bc7 Date last upload: 19-AUG-22 |
Change History | Metadata |
| 08 March 2023 | mz08mr23.zip | 565 | 60d2294ce769d00e925ef88da9ec99f2 Date last upload: 14-FEB-23 |
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| Offshore Marine Zones | 5 April 2022 (ppd from 22 March 2022) |
oz22mr22.zip | 125 | 45181ea8dedcd03caa905de5ab7b6f65 Date last upload: 16-MAR-22 |
Change History | Metadata |
| 08 March 2023 | oz08mr23.zip | 130 | 5fb553b16332b0fcc45888c2a2f2f6e3 Date last upload: 14-FEB-23 |
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| High Seas Marine Zones | 30 June 2017 | hz30jn17.zip | 6 | B4702A2B77B16D2EF28C782A464B2DEE | Change History | Metadata |
Shapefile Attributes:
| Field Name | Type | width,dec | Description |
|---|---|---|---|
| ID | character | 6 | Marine Zone Identifier |
| WFO | character | 3 | Assigned WFO (Office Identifier) |
| GL_WFO | character | 3 | Great lakes WFO responsible for Open Lake Forecastts |
| NAME | character | 250 | Name of Marine Zone (In the offshore zone file, this attribute is "Name") |
| AJOIN0 | character | 5 | Not Used |
| AJOIN1 | character | 5 | Not Used |
| LON | numeric | 10,5 | Longitude of Centroid [decimal degrees] |
| LAT | numeric | 9,5 | Latitude of Centroid [decimal degrees] |
