Right now
The most recent data we hold from NOAA arrived 2 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 12 May 2026 at 02:15 UTC. It is kept here as a record.
No stronger detection stands among the 26 recorded within 20 km of this point since 16 March 2026 — 17 others scored the same. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued May 11 at 9:29PM EDT until May 11 at 10:15PM EDT by NWS Melbourne FL
An estimated 306,738 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 31, 2026 · score 37 · 5.8 km
- May 10, 2026 · score 43 · 7.7 km
- June 19, 2026 · score 43 · 11.3 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 91 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 91% |
| Coordinates | 27.9527, -80.2027 |
| Nearest City | Sebastian (30 km) |
| Population Exposed | 306.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-12T01:29:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.aed92111f4b2bb9cc521e014bd5cc634 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Sebastian Inlet to Jupiter Inlet 0-20 nm; Volusia-Brevard County Line to Sebastian Inlet 0-20 nm; Volusia-Brevard County Line to Sebastian Inlet 20-60 nm |
| Headline | Special Marine Warning issued May 11 at 9:29PM EDT until May 11 at 10:15PM EDT by NWS Melbourne FL |
| Expires | 2026-05-11T22:15:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.aed92111f4b2bb9cc521e014bd5cc6341b0615dd.001.1","noaa_urn:oid:2.49.0.1.840.0.20d564dd6ed9af49212623792da9168f78c81d5e.001.1"] |
| Iem TypeSummary | M |
| Iem Magnitude | 43 |
| Iem Unit | MPH |
| Iem City | 1 WNW Vero Beach |
| Iem County | Indian River |
| Iem State | FL |
| Iem Wfo | MLB |
| Iem Remark | Vero Beach Municipal Airport measured a peak wind gust of 43MPH/37KT from the north at 9:03 PM. |
| MergedSources | [{"id":"iem_M_27.500_-80.380_1778549100000","source":"iem","severity":"low","severityValue":25,"timestamp":1778549100000,"latitude":27.5,"longitude":-80.38},{"id":"iem_M_27.650_-80.420_1778547780000","source":"iem","severity":"low","severityValue":25,"timestamp":1778547780000,"latitude":27.65,"longitude":-80.42}] |
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 8 March 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.
Want to know when something happens near Sebastian?