Right now
The most recent data we hold from CO OPS arrived 3 minutes ago, and this point is in it.
Nothing else has been detected within 20 km in the last 24 hours.
Reported by CO OPS today.
It is the strongest of the 66 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 30 June 2026.
What the source measured
CO OPS reported: Water level 1.94m above predicted at Galveston Pier 21, TX. Observed: 2.37m, Predicted: 0.42m (MLLW datum).
The observed water level was 2.37 m, against 0.42 m predicted.
An estimated 331,652 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 30, 2026 · score 37 · 0.0 km
- June 18, 2026 · score 37 · 0.0 km
How we know
One source: CO OPS. Not yet confirmed by a second, independent source.
Our own score for this event is 57 out of 100, at 70 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Floods |
| Severity | Critical |
| Calamity Score (ours) | 57 / 100 |
| Our confidence | 70% |
| Coordinates | 29.3103, -94.7935 |
| Nearest City | Galveston (1 km) |
| Population Exposed | 331.7K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-09-07T19:36:00.000Z |
| Source | https://tidesandcurrents.noaa.gov/stationhome.html?id=8771450 |
Score Breakdown
Technical Details
| StationId | 8771450 |
| StationName | Galveston Pier 21, TX |
| ObservedM | 2.37 |
| PredictedM | 0.42 |
| SurgeM | 1.94 |
| Datum | MLLW |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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 Galveston?
Calamity.live data shows a flood event with CalamityScore 57/100, near Galveston (United States), based on data from co_ops. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.