Severe weather near Port Saint Lucie
This alert expired on 31 July 2026 at 21:04 UTC. It is kept here as a record.
It is the 33rd strongest of the 55 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 13 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 31 at 4:55PM EDT until July 31 at 5:00PM EDT by NWS Miami FL
An estimated 460,617 people live within 50 km of this point.
Nearby, since 16 March 2026
- May 12, 2026 · score 43 · 11.5 km
- June 20, 2026 · score 43 · 11.8 km
- August 12, 2026 · score 43 · 12.0 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 37 out of 100, at 91 % 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) | 37 / 100 |
| Our confidence | 91% |
| Coordinates | 27.2149, -80.3616 |
| Nearest City | Port Saint Lucie (8 km) |
| Population Exposed | 460.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-31T20:55:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.9b9fd905e7a3e243d2d31d8c810613d2 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Lake Okeechobee; Sebastian Inlet to Jupiter Inlet 0-20 nm; Sebastian Inlet to Jupiter Inlet 20-60 nm |
| Headline | Special Marine Warning issued July 31 at 4:55PM EDT until July 31 at 5:00PM EDT by NWS Miami FL |
| Expires | 2026-07-31T17:04:00-04:00 |
| SenderName | NWS Miami FL |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.9b9fd905e7a3e243d2d31d8c810613d2e2abd814.001.1","noaa_urn:oid:2.49.0.1.840.0.c3ec8b9da41f246d123ff1a4c807c724dd7e9ac1.001.1","noaa_urn:oid:2.49.0.1.840.0.2d74970c75c121feb6d0175c317be0167b1102d1.001.1"] |
| Iem TypeSummary | M |
| Iem Magnitude | 47 |
| Iem Unit | MPH |
| Iem City | 2 NE Snug Harbor |
| Iem County | AMZ555 |
| Iem State | FL |
| Iem Wfo | MLB |
| Iem Remark | The WeatherFlow site XJEN Jensen Beach measured a wind gust of 47MPH/41KTS from the west-northwest at 3:44 pm. |
| MergedSources | [{"id":"iem_M_27.500_-80.380_1785524940000","source":"iem","severity":"low","severityValue":25,"timestamp":1785524940000,"latitude":27.5,"longitude":-80.38},{"id":"iem_M_27.220_-80.200_1785527940000","source":"iem","severity":"low","severityValue":25,"timestamp":1785527940000,"latitude":27.22,"longitude":-80.2},{"id":"iem_M_27.220_-80.200_1785527040000","source":"iem","severity":"low","severityValue":25,"timestamp":1785527040000,"latitude":27.22,"longitude":-80.2}] |
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 37/100, near Port Saint Lucie (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.