Environment Agency directory · England
Flood warnings and river levels in Portsmouth
Current warnings are checked live. Monitoring areas, stations and watercourses below are directory records and may be listed even when no warning is in force.
- Designated areas
- 6
- Level stations
- 1
- Named watercourses
- 4
- Directory snapshot
- 6 Aug 2026, 01:13
Live Environment Agency status
Current flood warnings in Portsmouth
Directory metadata refreshed 6 Aug 2026, 01:13 (UK time). Warning status is requested separately from the EA feed.
Permanent EA coverage
Designated monitoring areas in Portsmouth
These are predefined places where the Environment Agency can issue a Flood Warning or Flood Alert. The category describes how EA organises the area; it does not show whether an alert is active now. Similar names can refer to different official stretches of the same river.
| Official area name | Watercourse / coast | EA area category |
|---|---|---|
| Tidal areas of Eastern Portsmouth, including Anchorage Park, Baffins, Milton, and Eastney EA ref 065FWC1101 | Langstone Harbour | Designated warning area Coverage type—not a current warning |
| Coastal area around Portsmouth EA ref 065WAC158 | The Solent, Portsmouth Harbour, Langstone Harbour | Designated alert area Coverage type—not a current warning |
| Tidal areas including Tipner, Stamshaw, and the Commercial Docks EA ref 065FWC1201 | Portsmouth Harbour | Designated warning area Coverage type—not a current warning |
| Coast at Old Portsmouth EA ref 065FWC1301 | Portsmouth Harbour, The Solent | Designated warning area Coverage type—not a current warning |
| Tidal areas at Hilsea EA ref 065FWC1001 | Portsmouth Harbour | Designated warning area Coverage type—not a current warning |
| Coast at Southsea EA ref 065FWC1302 | The Solent | Designated warning area Coverage type—not a current warning |
Showing 6 of 6 matching areas
River-level monitoring
Stations and readings in Portsmouth
Blue points are monitoring instruments—not flood incidents. Open a station for recent readings, time checked and nearby context.
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Showing 1 of 1 matching stations
Directory index
Watercourses associated with Portsmouth
Rivers, streams, drains and coastal waters named in EA area or station records. Inclusion does not mean the watercourse is currently high or flooding.
- Langstone Harbour
- Portsmouth Harbour
- The Solent
- Tide
Check property-level risk before buying or insuring
Our directory lists 6 Environment Agency warning and alert areas associated with Portsmouth. The count does not determine the risk to a specific address. Use the postcode checker and official long-term flood-risk service, then confirm cover with your insurer or a qualified professional where necessary.