Barometric Pressure Forecast for Swansea, United Kingdom
Swansea curves around Swansea Bay at the mouth of the River Tawe, with the Gower peninsula to the west. Its barometric pressure forecast reflects a maritime setting exposed to weather arriving from the Atlantic.
Download Pressure Pal to track barometric pressure and get migraine alerts for Swansea and your area.
Pressure and weather in Swansea
Southwesterly air brings moisture from the Bristol Channel, and nearby Welsh hills influence how much rain falls. Autumn and winter frontal sequences deserve attention, while summer bay breezes can change the feel of a day without a major regional pressure swing.
What this means for you
For a bayfront outing or a journey onto Gower, pair this chart with rainfall and wind guidance. Keeping separate notes for wet conditions and atmospheric pressure helps you review headache timing without assuming that every rainy Swansea day causes symptoms.