National Weather Service United States Department of Commerce

Continued Cloudy This Afternoon and Tonight with Scattered Showers

It will remain cloudy through tonight with some scattered showers especially during the afternoon and evening hours. Highs this afternoon will top out in the low to mid 40s with lows tonight in the 30s. A warming trend is expected into the weekend and early next week. Read More >

Lake Michigan Marine Zone Codes

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