― WIND · CO. ANTRIM · NORTHERN IRELAND

Wind forecast Belfast today

Now 16 km/h SW, gusts 33 km/h (10 mph, gusts 21 mph) at Belfast (Béal Feirste), Co. Antrim. That is Beaufort force 3, a gentle breeze, and the wind is steady over the next six hours. Modelled for Sun 13:45 Irish time.

Wind in Belfast right now

WIND AT 10 M16 km/h10 mphfrom the SW (216°)
GUST AT 10 M33 km/h21 mphhighest short burst the model expects this hour
WIND AT 80 M29 km/h18 mphtypical turbine hub height range
WIND AT 120 M32 km/h20 mphupper rotor height

WINDIEST HOUR TODAY11:00: 17 km/h (11 mph) from the SSW, gusting 36 km/h (22 mph).

NEAREST STATION OBSERVATIONBelfast/Harbour Airport (EGAC, 4 km away): 24 km/h (15 mph) from the SW. Measured at 13:20, 34 minutes old when this page was built.

Meteogram and wind rose for Belfast

Meteogram Belfast
CHART LOADINGmeteogramReading Belfast…

The next days at Belfast: speed, gust and direction.

Wind rose Belfast
CHART LOADINGwind_roseReading Belfast…

How often the wind blows from each direction at Belfast, from reanalysis.

Next 48 hours, hour by hour

Mean wind through the next 48 hours runs between 1 and 19 km/h (1 to 12 mph), mostly from the SW. The strongest gust is 40 km/h (25 mph) at Mon 12:00. Speeds are in km/h with miles per hour underneath. Direction is where the wind comes from.

TimeFromWind km/hGust km/h80 m km/h
Sun 13:00 SW138 mph2817 mph2516 mph
Sun 14:00 SW1610 mph3421 mph3019 mph
Sun 15:00 SSW149 mph3019 mph2616 mph
Sun 16:00 SSW149 mph3019 mph2717 mph
Sun 17:00 SW1610 mph3522 mph3119 mph
Sun 18:00 SW1711 mph3622 mph3220 mph
Sun 19:00 SSW1610 mph3522 mph3119 mph
Sun 20:00 SSW1711 mph3522 mph3119 mph
Sun 21:00 SW1711 mph3522 mph3119 mph
Sun 22:00 SW1610 mph3321 mph3019 mph
Sun 23:00 SW1610 mph3421 mph3119 mph
Mon 00:00 SW1610 mph3421 mph3119 mph
Mon 01:00 SW1610 mph3522 mph3220 mph
Mon 02:00 SW1610 mph3421 mph3119 mph
Mon 03:00 SW1711 mph3622 mph3421 mph
Mon 04:00 SW1711 mph3622 mph3321 mph
Mon 05:00 SW1811 mph3723 mph3421 mph
Mon 06:00 SW1610 mph3421 mph3119 mph
Mon 07:00 SW1610 mph3321 mph3119 mph
Mon 08:00 SW1610 mph3421 mph3220 mph
Mon 09:00 SW159 mph3119 mph2918 mph
Mon 10:00 SW1610 mph3321 mph3119 mph
Mon 11:00 SW1711 mph3723 mph3421 mph
Mon 12:00 WSW1912 mph4025 mph3622 mph
Mon 13:00 WSW1912 mph4025 mph3622 mph
Mon 14:00 WSW1711 mph3622 mph3220 mph
Mon 15:00 SW1610 mph3321 mph2918 mph
Mon 16:00 WSW159 mph3220 mph2817 mph
Mon 17:00 WSW159 mph3119 mph2918 mph
Mon 18:00 WNW149 mph2817 mph2616 mph
Mon 19:00 NNW96 mph1912 mph1711 mph
Mon 20:00 NNE42 mph106 mph64 mph
Mon 21:00 NW32 mph85 mph74 mph
Mon 22:00 WNW64 mph149 mph127 mph
Mon 23:00 W32 mph85 mph64 mph
Tue 00:00 WSW53 mph127 mph85 mph
Tue 01:00 WNW74 mph1610 mph127 mph
Tue 02:00 NW74 mph1610 mph127 mph
Tue 03:00 WNW64 mph138 mph117 mph
Tue 04:00 NW64 mph127 mph106 mph
Tue 05:00 WNW64 mph127 mph117 mph
Tue 06:00 WNW42 mph85 mph74 mph
Tue 07:00 WNW85 mph1711 mph159 mph
Tue 08:00 SSE32 mph96 mph21 mph
Tue 09:00 W11 mph64 mph32 mph
Tue 10:00 S32 mph106 mph32 mph
Tue 11:00 WNW64 mph138 mph127 mph
Tue 12:00 NW85 mph1711 mph159 mph

Seven-day gust outlook

The windiest day of the week is Sat 10/10 with gusts to 48 km/h (30 mph). The calmest is Tue 6/10, gusts to 17 km/h (11 mph). Later days are less certain than the first two: the further out, the more the models can disagree.

DayMax gust km/hMax wind km/hMostly from
Sun 4/103622 mph1711 mph SSW
Mon 5/104025 mph1912 mph SW
Tue 6/101711 mph85 mph WNW
Wed 7/104025 mph2113 mph WNW
Thu 8/103321 mph1912 mph W
Fri 9/104629 mph2616 mph WSW
Sat 10/104830 mph2616 mph W

What the wind does in Belfast

Belfast, or Béal Feirste, is located in County Antrim, Northern Ireland. As a coastal city, its wind patterns are influenced by its proximity to the sea. The prevailing winds across Ireland are from the west and southwest, bringing frequent Atlantic depressions that contribute to the overall wind climate. Gusts will typically exceed the mean wind speed, particularly during periods of stronger wind. The county's coastal mean 10 m wind is approximately 5.5-7.5 m/s, while inland areas typically experience around 4-5.5 m/s. Strongest winds are generally associated with winter southwesterlies and north-westerlies. The city's specific exposure within Belfast Lough means it can be partly sheltered compared to more open coastal locations.

Seasonal pattern

Across Ireland, the strongest winds are typically observed during the winter months, from October to March, when Atlantic depressions are most frequent and intense. During these periods, southwesterly and north-westerly winds are common. Summer months, from June to August, generally bring lighter winds, though local effects such as sea breezes can develop on warm, sunny afternoons, leading to a temporary increase in wind speed near the coast. These sea breezes are usually moderate and tend to diminish towards evening. The county's wind climate notes indicate that winter southwesterlies and north-westerlies bring the strongest wind to the region.

Exposure and shelter

Belfast is a coastal city, approximately 2 km from the coast. Its location within Belfast Lough provides some degree of shelter compared to more exposed coastal areas elsewhere in County Antrim, such as the open coast from Larne to Portrush or Rathlin. While the city itself is coastal, the immediate surrounding topography and urban structures will influence local wind flow, creating areas of both shelter and localised funnelling. The county's dominant wind direction is SW. The Antrim Plateau and Slemish are noted as exposed areas elsewhere in the county, and gusts can funnel along the Glens and across the Antrim plateau. Coastal stations, such as George Best Belfast City Airport, can provide early indications of approaching fronts.

Local uses of the wind forecast

Accurate wind forecasts are relevant for various activities in Belfast. For the aerospace & engineering sector, wind data is crucial for design, operation, and safety. Ports & shipping operations in Belfast Harbour rely on wind information for navigation, docking, and cargo handling. The agri-food sector, including farming, uses wind forecasts for tasks like spraying, silage timing, and managing livestock. The wind energy sector in the wider county benefits from understanding wind patterns for turbine efficiency and maintenance. Building and roofing work requires wind data to ensure safety and structural integrity. For tourism and general outdoor activities like walking or use of GAA pitches, wind information helps in planning and comfort.

Near Belfast

Belfast is in Co. Antrim, one of 26 towns we publish for the county. The nearest observing stations are George Best Belfast City Airport EGAC (METAR) (4 km), Belfast International Airport EGAA (METAR) (20 km) and City of Derry Airport EGAE (METAR) (93 km). The closest wind farm in our guide is Altahullion Wind Farm, about 73 km away.

Nearest spots

Questions about wind in Belfast

When is Belfast typically windiest?

Belfast, like much of Ireland, generally experiences its strongest winds during the winter months, from October to March. This is when Atlantic depressions are most frequent, bringing stronger southwesterly and north-westerly winds to the region.

Which wind direction brings the strongest gusts to Belfast?

The strongest gusts in Belfast are typically associated with southwesterly and north-westerly winds, particularly during the winter. These directions are common for the most intense weather systems affecting Ireland from the Atlantic.

Where can I get the nearest measured wind data for Belfast?

The nearest observing station providing METAR data for Belfast is George Best Belfast City Airport (EGAC), located approximately 4 km away. This station provides measured wind observations that can be useful for local conditions.

Go deeper

Set your own limit and watch the odds at the live instrument for Belfast, or read how the numbers above are made.

Coast, sea & terrain · a local phenomenonSea breeze: the coastal wind that appears from nowhereThe sea breeze is a local wind system driven by differential heating between land and sea. It can significantly alter the local wind field, often appearing as a fresh, cool wind on otherwise calm, sunny days.Read Coast, sea & terrain · how topography shapes windHeadlands and funnelling: local wind effects near complex terrainWind flow around coastal headlands and through narrow channels can accelerate significantly, often exceeding speeds forecast for open water. This article explains the physical mechanisms and practical implications of these localised effects, which are frequently missed by numerical weather models.Read Fundamentals · the physics behind every numberHow wind works: pressure, rotation, friction and heightWind is air moving from high to low pressure, bent by the Earth's rotation, slowed and roughened by the ground, and different at every height. Each of those four facts shows up in the numbers you read on the instrument.Read Reading our instruments · the ratio of gust to mean windGust factor: how much stronger are the gusts?The gust factor quantifies the relationship between the peak wind speed (gust) and the average wind speed (mean). It is a critical metric for understanding the true forces acting on structures and equipment, as gusts often dictate operational limits and safety margins. This article explores its typical ranges,…Read Forecasting & models · understanding the hourly traceReading a meteogram: your hourly forecast at a glanceA meteogram displays an hourly forecast of key weather parameters for a specific location, typically including wind speed, gust, direction, pressure, and precipitation. Understanding its components allows for a quick assessment of upcoming conditions and potential changes.Read

Forecast: modelled wind from Open-Meteo (CC BY 4.0, underlying ICON, GFS and ECMWF model data), not a measurement at a site. Observation: airport METAR or buoy via aviationweather.gov and NDBC where one reports within 90 km. Heights are metres above ground. Missing values are UNKNOWN and never filled with zero. Last built 13:52 Irish time. Your threshold, your procedure, your call.