Ended
Official severity: Severe
Severe Thunderstorm Watch for Cook, IL; De Kalb, IL; DuPage, IL +13 more
Ended
NWS coastal zone LMZ742
Northerly Island to Calumet Harbor IL weather alerts
Marine alerts linked to this verified National Weather Service zone.
NWS feedSource unavailableThe current alert state is unknown. Last successful check: .
Current answer
Active alert check
Current status unknown
NWS updates are unavailable, so this service cannot confirm whether Northerly Island to Calumet Harbor IL has no active alerts.
Check weather.gov- Official zone ID
- LMZ742
- Zone type
- coastal
- State
- Marine or multi-state area
- Metadata verified
- Yes, from NWS
Context only
Recently ended alerts
Ended
Official severity: Minor
Marine Weather Statement for Northerly Island to Calumet Harbor IL; Calumet Harbor IL to Gary IN; Gary to Burns Harbor IN +2 more
Burns Harbor to Michigan City IN, Calumet Harbor IL to Gary IN, Gary to Burns Harbor IN and 2 more
Ended
Ended
Official severity: Minor
Marine Weather Statement for Winthrop Harbor to Wilmette Harbor IL; Wilmette Harbor to Northerly Island IL; Northerly Island to Calumet Harbor IL +2 more
Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake, Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake, Northerly Island to Calumet Harbor IL and 2 more
Ended
Ended
Official severity: Minor
Small Craft Advisory for Winthrop Harbor to Wilmette Harbor IL; Wilmette Harbor to Northerly Island IL; Northerly Island to Calumet Harbor IL
Northerly Island to Calumet Harbor IL, Wilmette Harbor to Northerly Island IL, Winthrop Harbor to Wilmette Harbor IL
Ended
Ended
Official severity: Minor
Small Craft Advisory for Winthrop Harbor to Wilmette Harbor IL; Wilmette Harbor to Northerly Island IL; Northerly Island to Calumet Harbor IL
Northerly Island to Calumet Harbor IL, Wilmette Harbor to Northerly Island IL, Winthrop Harbor to Wilmette Harbor IL
Ended
Zone matching is not a personal forecast
This page uses official NWS zone membership. For exact location matching, an alert must include official geometry or be linked to a verified zone geometry that contains the point.
How location matching works