― WIND · CO. WATERFORD

Wind forecast Portlaw today

Now 19 km/h SW, gusts 36 km/h (12 mph, gusts 22 mph) at Portlaw (Port Lách), Co. Waterford. That is Beaufort force 3, a gentle breeze, and the wind is steady over the next six hours. Modelled for Sun 13:00 Irish time.

Wind in Portlaw right now

WIND AT 10 M19 km/h12 mphfrom the SW (220°)
GUST AT 10 M36 km/h22 mphhighest short burst the model expects this hour
WIND AT 80 M31 km/h19 mphtypical turbine hub height range
WIND AT 120 M32 km/h20 mphupper rotor height

WINDIEST HOUR TODAY23:00: 20 km/h (12 mph) from the SW, gusting 38 km/h (24 mph).

NEAREST STATION OBSERVATIONWaterford Airport (EIWF, 20 km away): 19 km/h (12 mph) from the SW. Measured at 13:00, 14 minutes old when this page was built.

Meteogram and wind rose for Portlaw

Meteogram Portlaw
CHART LOADINGmeteogramReading Portlaw…

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

Wind rose Portlaw
CHART LOADINGwind_roseReading Portlaw…

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

Next 48 hours, hour by hour

Mean wind through the next 48 hours runs between 1 and 20 km/h (1 to 12 mph), mostly from the SW. The strongest gust is 38 km/h (24 mph) at Sun 23:00. 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 SW1912 mph3622 mph3119 mph
Sun 14:00 SW1711 mph3321 mph2817 mph
Sun 15:00 SW1711 mph3119 mph2817 mph
Sun 16:00 SW1711 mph3321 mph2918 mph
Sun 17:00 SW159 mph2817 mph2717 mph
Sun 18:00 SW159 mph2817 mph2817 mph
Sun 19:00 SW149 mph2717 mph2817 mph
Sun 20:00 SSW138 mph2516 mph2817 mph
Sun 21:00 SSW138 mph2516 mph2817 mph
Sun 22:00 SW1610 mph3019 mph3119 mph
Sun 23:00 SW2012 mph3824 mph3622 mph
Mon 00:00 SW1711 mph3220 mph2918 mph
Mon 01:00 SW127 mph2214 mph2314 mph
Mon 02:00 SW138 mph2516 mph2516 mph
Mon 03:00 SW149 mph2616 mph2616 mph
Mon 04:00 SW149 mph2717 mph2817 mph
Mon 05:00 SW159 mph2817 mph2817 mph
Mon 06:00 SW159 mph2817 mph2817 mph
Mon 07:00 SW159 mph2918 mph3019 mph
Mon 08:00 SW149 mph2616 mph2717 mph
Mon 09:00 SW1610 mph2918 mph2817 mph
Mon 10:00 SW1610 mph3019 mph2717 mph
Mon 11:00 SW1811 mph3421 mph3019 mph
Mon 12:00 SW1711 mph3220 mph2918 mph
Mon 13:00 SW1912 mph3622 mph3220 mph
Mon 14:00 SW1811 mph3321 mph2918 mph
Mon 15:00 SW1610 mph2918 mph2516 mph
Mon 16:00 WSW149 mph2717 mph2415 mph
Mon 17:00 SW138 mph2415 mph2113 mph
Mon 18:00 SW138 mph2516 mph2415 mph
Mon 19:00 SSW138 mph2516 mph2717 mph
Mon 20:00 SW127 mph2314 mph2717 mph
Mon 21:00 SW106 mph2012 mph2415 mph
Mon 22:00 SW96 mph1811 mph2012 mph
Mon 23:00 WSW74 mph127 mph149 mph
Tue 00:00 SW64 mph127 mph117 mph
Tue 01:00 SW42 mph96 mph106 mph
Tue 02:00 SW42 mph96 mph96 mph
Tue 03:00 NW11 mph64 mph42 mph
Tue 04:00 WSW32 mph74 mph64 mph
Tue 05:00 SSW11 mph64 mph85 mph
Tue 06:00 SSW11 mph42 mph96 mph
Tue 07:00 SSW42 mph74 mph159 mph
Tue 08:00 W42 mph96 mph85 mph
Tue 09:00 NW21 mph53 mph42 mph
Tue 10:00 NNW106 mph2012 mph1610 mph
Tue 11:00 NNW159 mph2918 mph2314 mph
Tue 12:00 NNW1610 mph3119 mph2314 mph

Seven-day gust outlook

The windiest day of the week is Fri 9/10 with gusts to 46 km/h (29 mph). The calmest is Thu 8/10, gusts to 31 km/h (19 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 4/103824 mph2012 mph SW
Mon 5/103622 mph1912 mph SW
Tue 6/103622 mph2012 mph N
Wed 7/103824 mph2113 mph NW
Thu 8/103119 mph1811 mph WSW
Fri 9/104629 mph2616 mph W
Sat 10/103824 mph2113 mph W

What the wind does in Portlaw

Portlaw, or Port Lách, is situated in County Waterford, where the prevailing wind direction is from the southwest. Wind speeds inland, as is the case for Portlaw, are generally lower than coastal areas. County-level approximate mean 10 m wind speeds are typically between 4.5 and 6 m/s inland. Gusts, which are brief increases in wind speed, will always exceed the mean wind speed. The wind in Portlaw is influenced by its inland location, approximately 17 km from the coast, which provides some moderation compared to direct coastal exposure. The general wind patterns across Ireland, driven by Atlantic depressions, mean that westerly winds are common. The Wind Agent provides current wind conditions, a 48-hour table, and 7-day gust forecasts for Portlaw.

Seasonal pattern

The seasonal wind pattern in Portlaw generally reflects that of County Waterford. Winter typically brings stronger winds and gales, while spring is characterised by southwesterly winds. During the summer months, the wind tends to be lighter. On the south coast of the county, a sea breeze can develop on summer afternoons, potentially increasing wind speeds by 2-4 m/s and shifting the wind direction onshore. While Portlaw is inland, these broader county patterns influence the general conditions. The overall wind climate is shaped by Ireland's position in the North Atlantic, with depressions frequently bringing changeable weather and wind conditions throughout the year.

Exposure and shelter

Portlaw's inland location, approximately 17 km from the coast, provides some degree of shelter from direct coastal exposure. While the county's south-east coast is exposed, and the Waterford Estuary can funnel easterlies, these effects are less pronounced in Portlaw itself. Hills and other terrain features can create both shelter and funnelling effects for wind. Shelter from wind is typically found on the leeward side of hills or large structures, where wind speeds are reduced. Conversely, funnelling can occur in valleys or between buildings, potentially increasing wind speeds. The Comeragh Mountains, approximately 15 km away, are known for strong gusts elsewhere in the county, but their direct impact on Portlaw's wind conditions would be moderated by distance and local topography.

Local uses of the wind forecast

Accurate wind forecasts are valuable for various activities in and around Portlaw. For the agri-food sector, knowing wind speed and direction is crucial for tasks like crop spraying and planning silage operations, ensuring optimal conditions. Building and roofing work benefits from understanding wind conditions, particularly for safety and material handling. General farming activities also rely on wind information. For individuals engaged in walking or other outdoor pursuits, wind forecasts help in planning, especially considering factors like wind chill. While Portlaw is inland, the nearby Waterford Port, approximately 14 km away, would have significant reliance on wind data for shipping and port operations.

Near Portlaw

Portlaw is in Co. Waterford, one of 6 towns we publish for the county. The nearest observing stations are Waterford Airport EIWF (METAR) (19 km), Johnstown Castle (56 km) and Moore Park (66 km). The closest wind farm in our guide is Woodhouse Wind Farm, about 31 km away.

Nearest spots

Questions about wind in Portlaw

When is Portlaw typically windiest?

Portlaw generally experiences stronger winds during the winter months, in line with county-level patterns. Spring also brings notable southwesterly winds. Summer typically has lighter winds, though local effects can occur. The overall windiest periods are often associated with Atlantic depressions passing over Ireland.

Which wind direction brings the strongest gusts to Portlaw?

The prevailing wind direction in County Waterford is from the southwest. Strong gusts are often associated with these prevailing winds, particularly during active weather systems. While specific local topography can influence gust direction, southwesterly winds are a common source of stronger conditions across the region.

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

The nearest observing station listed is Waterford Airport EIWF (METAR), approximately 19 km from Portlaw. This station provides measured wind data. The Wind Agent provides modelled wind data for Portlaw, which is derived from meteorological models and offers a precise understanding of local wind behaviour.

Go deeper

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

Measurement · how the environment affects wind dataSiting and exposure: why location changes the readingWind measurements are highly sensitive to their immediate surroundings. Obstacles, terrain, and proximity to the coast all influence observed wind speeds and directions, making careful siting crucial for representative data. The instrument accounts for these factors in its data presentation.Read Fundamentals · where the ground meets the windFriction and the atmospheric boundary layerThe atmospheric boundary layer is the lowest part of the atmosphere, directly influenced by the Earth's surface. Within this layer, friction slows and turns the wind, creating shear and turbulence that are critical for surface operations.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 13:14 Irish time. Your threshold, your procedure, your call.