Forecasts for UK inshore waters are issued four times a day and cover a period of 24 hours from 0000, 0600, 1200 and 1800 UTC.
The coastal waters, up to 12 miles offshore, around the British Isles are divided into 19 areas shown on the map.
The forecast contains details of forecast wind direction and force, weather, visibility and sea state.
Strong coastal winds
Strong coastal winds (Strong Breeze force 6 or more) are displayed for the first 24 hours of the inshore waters forecast.
These are displayed with the Inshore waters forecast. This example shows strong coastal winds expected for Great Ormes Head to Mull of Galloway and Isle of Man.The marine forecasts guide has more information about how to view the forecasts, including a glossary of terms used and the Beaufort scale.
Produced daily around 0730 UTC.