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Active official alertUpdated

Small Craft Advisory for Manitou Island to Point Isabelle MI; Point Isabelle to Lower Entrance of Portage Canal MI; Portage Lake to Huron Island MI to Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays

Official alert fields

What you need to know

Effective
Ends or expires
Official severity
Minor
Official urgency
Expected
Official certainty
Likely

What is happening

What: For the first Small Craft Advisory, southwest winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft occurring. For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 35 kt and waves 2 to 5 ft expected. For the second Small Craft Advisory, southwest winds 10 to 15 kt with gusts up to 25 kt...

What the bulletin says to do

Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.

Full official description

Bulletin details

* WHAT...For the first Small Craft Advisory, southwest winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft occurring. For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 35 kt and waves 2 to 5 ft expected. For the second Small Craft Advisory, southwest winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 4 ft expected. * WHERE...Manitou Island to Point Isabelle MI, Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...For the first Small Craft Advisory, until 8 AM EDT this morning. For the Gale Warning, from 8 AM this morning to 2 PM EDT this afternoon. For the second Small Craft Advisory, from 2 PM this afternoon to 11 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

3 captured
  1. Alert

    Small Craft Advisory issued October 18 at 12:38AM EDT until October 18 at 8:00PM EDT by NWS Marquette MI

    Official revision
  2. Alert

    Small Craft Advisory issued October 18 at 12:38AM EDT until October 18 at 8:00PM EDT by NWS Marquette MI

    Official revision
  3. Alert

    Small Craft Advisory issued October 18 at 12:38AM EDT until October 18 at 11:00PM EDT by NWS Marquette MI

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Marquette MI. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Alert
Last collected
Methodology and corrections