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Active official alertUpdated

Small Craft Advisory for Sand Island to Bayfield WI; Outer Apostle Islands Beyond 5 NM from Mainland

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 Dense Fog Advisory, dense fog will reduce visibility to 1 NM or less. For the Small Craft Advisory, southwest winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 2 ft expected. Impacts: Conditions will be hazardous to small craft. Low visibility will make navigation difficult. Where: Sand Island...

What the bulletin says to do

Anyone operating a smaller vessel should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.

Full official description

Bulletin details

* WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to 1 NM or less. For the Small Craft Advisory, southwest winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 2 ft expected. * WHERE...Sand Island to Bayfield WI and Outer Apostle Islands Beyond 5 NM from Mainland. * WHEN...For the Dense Fog Advisory, until 7 AM CDT this morning. For the Small Craft Advisory, from 1 PM this afternoon to 7 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

4 captured
  1. Alert

    Small Craft Advisory issued September 1 at 1:27AM CDT until September 1 at 7:00PM CDT by NWS Duluth MN

    Official revision
  2. Alert

    Small Craft Advisory issued September 1 at 1:27AM CDT until September 1 at 7:00PM CDT by NWS Duluth MN

    Official revision
  3. Alert

    Small Craft Advisory issued September 1 at 1:27AM CDT until September 1 at 7:00PM CDT by NWS Duluth MN

    Official revision
  4. Alert

    Small Craft Advisory issued September 1 at 1:27AM CDT until September 1 at 7:00PM CDT by NWS Duluth MN

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Duluth MN. 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