Special Marine Warning Issued for Saginaw Bay Areas

Source: NOAA · Saginaw Bay, Michigan

This alert is no longer in effect.

NOAA issued it on May 29, 2026, 2 months 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 Detroit/Pontiac has issued a Special Marine Warning for Inner and Outer Saginaw Bay until 5:30 PM EDT due to severe thunderstorms.

Read this weather record in 30 seconds

Record type
Special Marine Warning
Affected area
Saginaw Bay, Michigan
Issued
May 29, 2026
Issuing authority
NWS Detroit/Pontiac MI

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 2 months ago; use the issuing agency's live warning service for current conditions in Saginaw Bay, Michigan.

Alert Details

Special Marine Warning issued by NWS Detroit/Pontiac MI. Effective from 2026-05-18T15:59:00-04:00 until 2026-05-18T17:30:00-04:00. Severity: Severe. Urgency: Immediate. Certainty: Likely.

Affected Areas

Inner Saginaw Bay SW of Point Au Gres to Bay Port MI; Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay. Specific locations include Bay City Liberty Harbor and The Mouth Of The Saginaw River, Pinconning, Quanicassee, Sebewaing, Gravelly Shoals, Bay Port, Caseville, and Port Austin.

What You Should Do

Avoid the warned areas. Boats could suffer significant structural damage in high winds. Small craft could capsize in suddenly higher waves.

Expected Conditions

Severe thunderstorms with wind gusts in excess of 50 knots and small hail. Storms moving northeast at 50 knots.

Timeline

Alert in effect from 3:59 PM EDT until 5:30 PM EDT on May 18, 2026. Thunderstorms expected near listed locations between 4:15 PM and 5:05 PM EDT.

Original source: NOAA Official Notice ↗

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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.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Detroit/Pontiac has issued a Special Marine Warning for Inner and Outer Saginaw Bay until 5:30 PM EDT due to severe thunderstorms.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Saginaw Bay, Michigan. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.