Weather Alert WatchOfficial-source alert index

NWS coastal zone LSZ242

Ontonagon to Upper Entrance of Portage Canal MI weather alerts

Marine alerts linked to this verified National Weather Service zone.

NWS feedSource freshLast successful check:

Current answer

Active alert check

Open official zone data

No active alerts found

The latest successful NWS collection contained no active public alerts matched to Ontonagon to Upper Entrance of Portage Canal MI. Conditions can change.

How matching works
Official zone ID
LSZ242
Zone type
coastal
State
Marine or multi-state area
Metadata verified
Yes, from NWS

Context only

Recently ended alerts

Ended Official severity: Severe

Special Marine Warning for Black River To Ontonagon MI; Ontonagon to Upper Entrance of Portage Canal MI; Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park

Black River To Ontonagon MI, Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park, Ontonagon to Upper Entrance of Portage Canal MI

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