Special Marine Warning for Coastal Waters from Suwannee River to Apalachicola FL
This alert is no longer in effect.
NOAA issued it on August 18, 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 Tallahassee has issued a Special Marine Warning for coastal waters from Suwannee River to Keaton Beach out 20 NM and from 20 to 60 NM to Apalachicola FL until 9:30 AM EDT due to severe thunderstorms capable of producing waterspouts.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Florida Gulf Coast waters
- Issued
- August 18, 2026
- Issuing authority
- NWS Tallahassee FL
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 Florida Gulf Coast waters.
Alert Details
Special Marine Warning issued by NWS Tallahassee FL. Effective from 2026-08-18T08:31:00-04:00 until 2026-08-18T09:30:00-04:00.
Affected Areas
Coastal waters from Suwannee River to Keaton Beach out 20 NM; Waters from Suwannee River to Apalachicola FL from 20 to 60 NM. Locations impacted include S Tower and Horseshoe Beach.
What You Should Do
Move to safe harbor until hazardous weather passes. Make sure all on board are in a secure location and wearing life jackets. Seek safe harbor immediately.
Expected Conditions
Severe thunderstorms capable of producing waterspouts. Hazard includes waterspouts and wind gusts 34 knots or greater. Expect suddenly higher waves, frequent lightning, and heavy downpours.
Timeline
Alert effective August 18 at 8:31 AM EDT until August 18 at 9:30 AM EDT.
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 (823 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 18, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.