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Active official alertUpdated

Small Craft Advisory for Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island; Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI; Seul Choix Point to 5NM West of Mackinac Bridge +4 more

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: Highest gusts up to 30 kts from the southwest and highest waves around 4 feet expected. Impacts: Conditions will be hazardous to small craft. Where: Portions of Lake Michigan. When: From noon to 10 PM EDT Saturday.

What the bulletin says to do

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Full official description

Bulletin details

* WHAT...Highest gusts up to 30 kts from the southwest and highest waves around 4 feet expected. * WHERE...Portions of Lake Michigan. * WHEN...From noon to 10 PM EDT Saturday. * IMPACTS...Conditions will be hazardous to small craft.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

1 captured
  1. Alert

    Small Craft Advisory issued August 28 at 2:21PM EDT until August 29 at 10:00PM EDT by NWS Gaylord MI

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Gaylord 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