# Coastal flood checks for island travel

> Environment Agency England warning snapshot and coastal monitoring registry. Not a route-clearance guarantee.

Canonical: https://rockhopping.com/travel/floods  
Source: Rockhopping (rockhopping.com) — a what’s-on guide for 55 island and low-tax jurisdictions.

Current snapshot: 2026-09-12 · warnings: 13

- St Marys (Isles of Scilly) — Tide (EA station E72339)
- Newlyn — Tide (EA station E72239)
- Penzance Alverton — River level (EA station 48188)
- Portsmouth — Tide (EA station E71839)
- Poole Harbour — Tide (EA station 44232)
- Heysham Harbour — Coastal (EA station 733548)
- Heysham — Tide (EA station E73439)
- Liverpool — Tide (EA station E70139)
- Lymington — River/tide (EA station E14521)
- Southampton — Coastal (EA station 3319SE)