TechnicalGIS Environmental News Desk

Flood alert issued for North Sea coast at Withernsea, Easington and Kilnsea

The Environment Agency reported a flood alert for North Sea coast at Withernsea, Easington and Kilnsea in its 12 November 2026 update.

Revision 1 · Published 2026-11-12T22:10:36Z · Status: current

Map meaning: The area is an approximation of the official warning-area boundary, not a measurement of flooded land, people affected or damage.

Environment Agency flood-warning area for North Sea coast at Withernsea, Easington and Kilnsea.

Source facts

Area
North Sea coast at Withernsea, Easington and Kilnsea
County
East Riding of Yorkshire
River or sea
North Sea
Warning status
Flood alert
Warning raised
2026-11-12T21:06:47Z
Source update
2026-11-12T21:06:00Z
Approximate warning-area boundary size
12.360 km² — not flooded area
Area calculation
Spherical polygon-area approximation using a mean Earth radius of 6,371.0088 km.

Environment Agency message

You've signed up to get flood alerts.
A flood alert has been issued by the Environment Agency.
Flood alert in force: North Sea coast at Withernsea, Easington and Kilnsea
Flooding is possible for: The North Sea coast from Mappleton to Spurn Point
High tides this evening may lead to flooding.
Flooding is possible on 12/11/2026.
Locations most affected will be The North Sea coast from Mappleton to Spurn Point
We are closely monitoring the situation .
Take care and avoid walking, cycling or driving through flood water.
This message will be updated by 9:00AM on Friday 13 November or as the situation changes.

Newsroom files

This uses Environment Agency flood and river level data from the real-time data API (Beta). Data documentation · Open Government Licence v3.0

Coverage

This first monitoring area follows the Environment Agency feed in England. Wales, Scotland and Northern Ireland are not covered by this feed.

Revision history

Revision 1 (2026-11-12T22:10:36Z) · Revision 3 (2026-11-13T12:15:49Z)