Special Marine Warning for Southern Bay of Green Bay
This alert is no longer in effect.
NOAA issued it on August 19, 2026, 5 days ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Green Bay has issued a Special Marine Warning for the Southern Bay of Green Bay until 8:00 PM CDT due to a strong thunderstorm producing wind gusts to 34 knots.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Southern Bay of Green Bay, Wisconsin
- Issued
- August 19, 2026
- Issuing authority
- NWS Green Bay WI
Marine notices apply to named waters or shoreline zones. They may not describe conditions on land, even when the nearest place name is the same.
Record status: historical. It was issued 5 days ago; use the issuing agency's live warning service for current conditions in Southern Bay of Green Bay, Wisconsin.
Alert Details
A Special Marine Warning was issued by the National Weather Service in Green Bay WI at 7:22 PM CDT on August 18, 2026. The alert is effective from 7:22 PM CDT until 8:00 PM CDT.
Affected Areas
Southern Bay of Green Bay south of a line from Oconto WI to Little Sturgeon Bay WI. The strong thunderstorm will be near Little Suamico around 7:25 PM CDT, Long Tail Point Light around 7:30 PM CDT, Green Bay Harbor Entrance Light around 7:35 PM CDT, and Bay Shore Park and Green Bay around 7:45 PM CDT.
What You Should Do
Move to safe harbor until hazardous weather passes.
Expected Conditions
At 7:22 PM CDT, a strong thunderstorm was located 7 NM north of Long Tail Point Light, or 6 NM northwest of Green Bay Harbor Entrance Light, moving southeast at 25 knots. Hazard includes wind gusts to 34 knots. Small craft could be damaged in briefly higher winds and suddenly higher waves.
Timeline
The warning is in effect from August 18, 2026 at 7:22 PM CDT until August 18, 2026 at 8:00 PM CDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,018 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 19, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.