― WIND · CO. ANTRIM · NORTHERN IRELAND

Wind forecast Larne today

Now 17 km/h SW, gusts 35 km/h (11 mph, gusts 22 mph) at Larne (Latharna), Co. Antrim. That is Beaufort force 3, a gentle breeze, and the wind is rising over the next six hours. Modelled for Sun 13:45 Irish time.

Wind in Larne right now

WIND AT 10 M17 km/h11 mphfrom the SW (217°)
GUST AT 10 M35 km/h22 mphhighest short burst the model expects this hour
WIND AT 80 M34 km/h21 mphtypical turbine hub height range
WIND AT 120 M37 km/h23 mphupper rotor height

WINDIEST HOUR TODAY18:00: 25 km/h (16 mph) from the SW, gusting 49 km/h (30 mph).

NEAREST STATION OBSERVATIONBelfast/Harbour Airport (EGAC, 27 km away): 24 km/h (15 mph) from the SW. Measured at 13:50, 35 minutes old when this page was built.

Meteogram and wind rose for Larne

Meteogram Larne
CHART LOADINGmeteogramReading Larne…

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

Wind rose Larne
CHART LOADINGwind_roseReading Larne…

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

Next 48 hours, hour by hour

Mean wind through the next 48 hours runs between 4 and 25 km/h (2 to 16 mph), mostly from the SW. The strongest gust is 49 km/h (30 mph) at Sun 18:00. 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 SW1711 mph3421 mph3522 mph
Sun 14:00 SW1811 mph3522 mph3421 mph
Sun 15:00 SW1912 mph3924 mph3723 mph
Sun 16:00 SW2214 mph4327 mph4125 mph
Sun 17:00 SW2516 mph4830 mph4528 mph
Sun 18:00 SW2516 mph4930 mph4729 mph
Sun 19:00 SW2314 mph4427 mph4427 mph
Sun 20:00 SW1912 mph3723 mph3824 mph
Sun 21:00 SW1811 mph3522 mph3522 mph
Sun 22:00 SW1711 mph3220 mph3321 mph
Sun 23:00 SW1711 mph3321 mph3421 mph
Mon 00:00 SW1912 mph3924 mph3924 mph
Mon 01:00 SW2214 mph4427 mph4528 mph
Mon 02:00 SW2214 mph4427 mph4528 mph
Mon 03:00 SW1912 mph3924 mph4025 mph
Mon 04:00 SW2012 mph4025 mph4025 mph
Mon 05:00 SW1811 mph3522 mph3622 mph
Mon 06:00 SW1610 mph3220 mph3220 mph
Mon 07:00 SW1811 mph3622 mph3824 mph
Mon 08:00 SW1610 mph3220 mph3522 mph
Mon 09:00 SW1711 mph3522 mph3723 mph
Mon 10:00 WSW2113 mph4125 mph4125 mph
Mon 11:00 WSW2314 mph4528 mph4226 mph
Mon 12:00 WSW2314 mph4528 mph4226 mph
Mon 13:00 WSW2314 mph4528 mph4125 mph
Mon 14:00 WSW2012 mph3924 mph3723 mph
Mon 15:00 WSW1912 mph3824 mph3622 mph
Mon 16:00 WSW1610 mph3220 mph3119 mph
Mon 17:00 WNW74 mph159 mph159 mph
Mon 18:00 WNW138 mph2616 mph2415 mph
Mon 19:00 NW96 mph1811 mph1912 mph
Mon 20:00 NW42 mph96 mph96 mph
Mon 21:00 WNW74 mph159 mph159 mph
Mon 22:00 W74 mph138 mph149 mph
Mon 23:00 SSW64 mph127 mph74 mph
Tue 00:00 W74 mph149 mph149 mph
Tue 01:00 WSW53 mph106 mph106 mph
Tue 02:00 W96 mph1811 mph1711 mph
Tue 03:00 W127 mph2415 mph2113 mph
Tue 04:00 W106 mph1912 mph1912 mph
Tue 05:00 W106 mph2113 mph2113 mph
Tue 06:00 W127 mph2314 mph2415 mph
Tue 07:00 W138 mph2616 mph2616 mph
Tue 08:00 W127 mph2415 mph2516 mph
Tue 09:00 W117 mph2113 mph2214 mph
Tue 10:00 WNW138 mph2616 mph2314 mph
Tue 11:00 WNW117 mph2113 mph1811 mph
Tue 12:00 NW106 mph2012 mph1610 mph

Seven-day gust outlook

The windiest day of the week is Sat 10/10 with gusts to 52 km/h (32 mph). The calmest is Tue 6/10, gusts to 26 km/h (16 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 4/104930 mph2516 mph SW
Mon 5/104528 mph2314 mph WSW
Tue 6/102616 mph138 mph WNW
Wed 7/104327 mph2616 mph W
Thu 8/103824 mph2516 mph W
Fri 9/104930 mph3019 mph WSW
Sat 10/105232 mph3220 mph W

What the wind does in Larne

Larne, or Latharna, is a coastal town in County Antrim. Wind conditions here are influenced by its proximity to the sea. As with much of Ireland, the strongest winds typically occur during the passage of Atlantic depressions, particularly in winter. Gusts, which are short, sudden increases in wind speed, will always exceed the average wind speed. Coastal areas, such as Larne, generally experience higher mean wind speeds than inland locations. County Antrim, where Larne is situated, has a dominant wind direction from the south-west. Approximate coastal mean 10 m wind speeds in the county range from 5.5 to 7.5 m/s, while inland areas typically see 4 to 5.5 m/s.

Seasonal pattern

The seasonal wind pattern in Larne generally follows the broader trend for Northern Ireland, with stronger and more frequent winds during the winter months. Winter southwesterlies and north-westerlies are noted to bring the strongest wind conditions to County Antrim. During the summer, while strong winds are less common, a sea breeze can develop on warmer afternoons, providing local increases in wind speed near the coast. This effect is a common meteorological phenomenon in coastal regions. Spring and autumn can present variable conditions, with periods of strong wind interspersed with calmer weather, reflecting the transitional nature of these seasons.

Exposure and shelter

Larne's coastal location means it is directly exposed to winds from the sea. The exposure of coastal areas can vary depending on the orientation of the coastline. While Larne is coastal, other areas in County Antrim, such as Belfast Lough and Strangford, are noted as being partly sheltered. Wind speeds can be higher at 10 m, 80 m, and 120 m above ground level, with less friction from the terrain. Local terrain features, including buildings, can provide shelter in their lee, reducing wind speeds at ground level. Conversely, funnelling effects can occur in certain topographical features, potentially increasing wind speeds locally.

Local uses of the wind forecast

Accurate wind information is valuable for several sectors in and around Larne. For the ports & shipping industry, including Larne Harbour, Carrickfergus Marina, and Bangor Marina, wind forecasts are critical for navigation, berthing, and cargo operations. The aerospace & engineering sector may use wind data for design and operational planning. In agriculture, including the agri-food sector, wind speed and direction are important for activities such as spraying and timing silage cuts. Wind energy projects, such as the Altahullion Wind Farm elsewhere in the county, rely on precise wind data. Additionally, wind forecasts are relevant for general outdoor activities like walking, and for building and roofing work.

Near Larne

Larne 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) (26 km), Belfast International Airport EGAA (METAR) (33 km) and City of Derry Airport EGAE (METAR) (88 km). The closest wind farm in our guide is Altahullion Wind Farm, about 70 km away.

Nearest spots

Questions about wind in Larne

When is it windiest in Larne?

Larne generally experiences its windiest conditions during the winter months. This is when Atlantic depressions are most frequent and intense, bringing strong southwesterly and north-westerly winds to County Antrim and the wider region.

Which wind direction brings the strongest gusts to Larne?

For County Antrim, winter southwesterlies and north-westerlies are noted as bringing the strongest winds. Gusts are inherently stronger than the mean wind speed and can be influenced by local terrain and exposure to the sea.

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

The nearest observing stations that provide measured wind data (METARs) are George Best Belfast City Airport (~26 km), Belfast International Airport (~33 km), and City of Derry Airport (~88 km). These can offer an indication of regional conditions.

Go deeper

Set your own limit and watch the odds at the live instrument for Larne, 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 13:56 Irish time. Your threshold, your procedure, your call.