Skip to content
Severe · Special Marine WarningThis alert has expired. It is kept for reference.

Special Marine Warning issued September 4 at 6:38AM EDT until September 4

Affecting St Joseph to South Haven MI; South Haven to Holland MI; Holland to Grand Haven MI; Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid Lake; Lake Michigan from South Haven to Holland MI 5NM offshore to Mid lake; Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake

In effect until: Sep 4, 2026, 12:15 PM

St Joseph to South Haven MI; South Haven to Holland MI; Holland to Grand Haven MI; Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid Lake; Lake Michigan from South Haven to Holland MI 5NM offshore to Mid lake; Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake

Likely impact; effects through 12:15 PM.

Move to safe harbor until hazardous weather passes.

Read the original bulletin (official text)
SMWGRR

The National Weather Service in Grand Rapids has issued a

* Special Marine Warning for...
Nearshore and Open Waters from St Joseph to Grand Haven MI...

* Until 815 AM EDT.

* At 637 AM EDT, strong thunderstorms were located along a line
extending from 12 nm east of Mona Lake Channel to Holland Light to
23 nm west of Saugatuck Pier Heads, moving southeast at 25 knots.

HAZARD...Wind gusts to 40 knots.

SOURCE...Radar.

IMPACT...Small craft could be damaged in briefly higher winds and
suddenly higher waves.

* Locations impacted include...
Saugatuck Pier Heads, South Haven Light, St. Joseph Light, and St.
Joseph.
Free. In your language.

Get the next alert for your area before it matters.

Get alerts in your language

Tornado, flood, and hurricane warnings for your area, translated the moment they go out.

Language

See our Privacy Policy and Terms of Service.

Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™