Lake Michigan Weather
Watches/Warnings
Current Watches, Warnings, and Alerts
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Current 500 mb Chart
Current Surface Analysis
National Forecast Maps
Day 1
Pressure/Height Anomalies
MSLP
WPC Short-Term Prog Charts – Surface
6 Hr
12 Hr
Lake Michigan NWS Offices Hazardous Weather Outlooks
NWS Chicago HWO
NWS Northern Indiana HWO
NWS Green Bay HWO
NWS Milwaukee HWO
NWS Grand Rapids HWO
NWS Gaylord HWO
WPC Prog Charts – 500mb
Day 3
Current Warnings/Watches & Discussions
Watches
SPC
WPC
Area Forecast Discussions
Chicago Area Forecast Discussion
Northern Indiana Area Forecast Discussion
Green Bay Area Forecast Discussion
Milwaukee Area Forecast Discussion
Grand Rapids Area Forecast Discussion
Gaylord Area Forecast Discussion
Temperatures
Day 1
Rain
Day 1
Day 2
Day 1
Day 2
Outlook
HRRR
Marine Forecasts
Lake Michigan Offshore
Chicago LOT Coastal
Northern Indiana IWX Coastal
Green Bay GRB Coastal
Milwaukee MKX Coastal
Grand Rapids GRR Coastal
Gaylord APX Coastal
45007 – South
45210 – Mid
45002 – North
45024 – Big Sable
ASCAT B
ASCAT C
Links
- Lake Erie Weather
- NWS National Offices
- NWS Great Lakes Offices
- NOAA nowCOAST Map Viewer
- Coastal Marine Text by Zone
- Offshore Marine Text by Zone
- Atlantic High Seas Forecast
- Weather Nerds Model Viewer
- GRIB Resources/Historical Analysis
-
Tropical Tidbits
- GFS
- ECMWF
- GEFS
- EPS
Edition: 05.31.2026