A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Severe thunderstorms are expected to produce damaging wind gusts from the Upper Ohio Valley into the Mid Atlantic, and across the central Great Plains this afternoon and evening. Large hail and heavy rain is also possible across the Great Plains. Read More >
Grand Rapids, MI
Weather Forecast Office
The Marine Zones on Lake Michigan are assigned SAME codes. This table lists the Marine Zone identifier, a description of the area covered, and the SAME code that has been assigned to that zone.
Zones designated "Nearshore" cover waters from the shoreline to 5 Nautical Miles offshore.
Zones designated "Open Water" cover waters from 5 Nautical Miles offshore to the midline of the lake.
| Zone | Description | Code |
|---|---|---|
| LMZ843 | Nearshore - New Buffalo to St Joseph | 092843 |
| LMZ844 | Nearshore - St Joseph to South Haven | 092844 |
| LMZ845 | Nearshore - South Haven to Holland | 092845 |
| LMZ846 | Nearshore - Holland to Grand Haven | 092846 |
| LMZ847 | Nearshore - Grand Haven to Whitehall | 092847 |
| LMZ848 | Nearshore - Whitehall to Pentwater | 092848 |
| LMZ849 | Nearshore - Pentwater to Manistee | 092849 |
| LMZ867 | Open Water - New Buffalo to Holland | 092867 |
| LMZ868 | Open Water - Holland to Whitehall | 092868 |
| LMZ869 | Open Water - Whitehall to Manistee | 092869 |
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Grand Rapids, MI
4899 Tim Dougherty Drive SE
Grand Rapids, MI 49512-4034
616-949-0643
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