This alert expired on 30 August 2026 at 23:00 UTC. It is kept here as a record.
It is the 14th strongest of the 24 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Special Marine Warning issued August 30 at 5:27PM EDT until August 30 at 7:00PM EDT by NWS Tampa Bay Ruskin FL
An estimated 930,576 people live within 50 km of this point.
Nearby, since 16 March 2026
- August 29, 2026 · score 52 · 3.2 km
- May 12, 2026 · score 76 · 5.9 km
- August 6, 2026 · score 41 · 8.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 48 out of 100, at 81 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 48 / 100 |
| Our confidence | 81% |
| Coordinates | 28.3716, -82.7888 |
| Nearest City | Bayonet Point (12 km) |
| Population Exposed | 930.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-30T21:27:00.000Z |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM; Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM; Tampa Bay waters; Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM; Coastal waters from Englewood to Tarpon Springs FL out 20 NM |
| Headline | Special Marine Warning issued August 30 at 5:27PM EDT until August 30 at 7:00PM EDT by NWS Tampa Bay Ruskin FL |
| Expires | 2026-08-30T19:00:00-04:00 |
| SenderName | NWS Tampa Bay Ruskin FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.983f760829b1ef88c8926331f73b1fb236bf95e8.001.1","noaa_urn:oid:2.49.0.1.840.0.f73a16a2e192d3735676cc3feb7d582ddc783923.001.1"] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 10 February 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Calamity.live data shows a weather event with CalamityScore 48/100, near Bayonet Point (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.