News
New OS tideline data could strengthen coastal erosion and flood monitoring
NEW data released by Ordnance Survey (OS) could significantly improve how coastal erosion and flood risk are monitored across Great Britain as sea levels rise and extreme rainfall becomes more frequent.
The continuous tidelines dataset provides a clearer and more accurate picture of where high and low tides fall around the coast and along tidal rivers. The data is expected to support environmental monitoring, flood modelling, and long-term planning as the impacts of climate change accelerate.

Earlier this year, the Environment Agency updated its National Flood Risk Assessment (NaFRA), which for the first time factored in projected climate change impacts. The assessment found that around 6.3 million homes and businesses in England — roughly one in five — are currently at risk of flooding. That figure could rise to one in four properties by 2050.
The Agency has also updated its national coastal erosion risk map, which estimates that around 3,500 properties could be affected by coastal erosion by 2055.
The new OS dataset builds on existing information held in the OS National Geographic Database (OS NGD). Previously separate tidal boundary features have now been automatically merged into continuous high- and low-tide lines, creating two new feature types within the OS NGD Water theme. These can also be used as overlay layers through the OS Tiles API, allowing for clearer visual mapping and large-scale analysis.
The data is expected to support a wide range of environmental and regulatory work, including coastal erosion and flooding modelling, updating boundary features to reflect coastal change, climate change impact assessments, and identifying areas of foreshore that act as natural flood defences.
William Russell, Senior Coastal Process Scientist at the Wales Coastal Monitoring Centre, said the dataset would remove uncertainty from coastal monitoring.
“One of our core values is ‘data, not opinions’. When information is missing, we seek out or collect the data needed to support sound decision-making,” he said.
“The OS Continuous Tidal Boundaries dataset removes uncertainty from our strategic monitoring programme and gives us clearer insight into intertidal extents, delivering cost savings and efficiencies for our survey contractors.”
Ordnance Survey says the data is particularly valuable for environmental policy and regulation, including decisions around water discharge and flood management. Accurately defining the intertidal zone helps identify natural coastal defences, which play a vital role in protecting communities and ecosystems.
Intertidal information has also been enhanced within the Land theme of the OS NGD, with improved coverage of previously obscured areas to create a more complete national coastal dataset.
Lily Brown, Product Manager at Ordnance Survey, said the data would support evidence-based decision-making.
“The OS National Geographic Database contains trusted, accurate features that support everything from climate resilience and infrastructure planning to coastal management,” she said.
“By incorporating authoritative tideline data, we are enabling decisions that will help protect and monitor Britain’s evolving coastlines.”
Following the dataset’s release, Ordnance Survey analysed how ceremonial counties change in size between high and low tide. Merseyside showed the greatest variation, with a nearly 17% difference, followed by Orkney at around 7%.
The analysis also highlighted that counties considered landlocked, such as Nottinghamshire and South Yorkshire, still experience significant tidal influence due to rivers like the Trent and the Don being tidal far inland.
When combined with Unique Property Reference Numbers (UPRNs), the tideline data shows that Greater London has the highest number of homes and businesses within 15 metres of the high-tide line, at around 5,500. Cornwall ranks second with just over 3,000 properties, followed by Devon with around 2,400.
The new data has been released under the Public Sector Geospatial Agreement (PSGA), which provides emergency services and public sector organisations with access to Ordnance Survey data and services.
Local Government
Independent group threatens to oppose council tax plans over education cuts
Councillors demand £2m savings removed amid safeguarding concerns in schools
THE INDEPENDENT GROUP on Pembrokeshire County Council has warned it will not support the Cabinet’s proposed council tax increases unless planned reductions to the education budget are reversed.
Cabinet has recommended a council tax rise of 4.6% for 2026/27, followed by 5% the following year and potential increases of up to 7.5% in future years. The Independent Group has criticised the proposals, describing them as a “ballot box” budget which they claim postpones difficult financial decisions for future administrations.
The group also said it had not been consulted during the budget process by Council Leader Jon Harvey, despite representing a significant number of councillors.
Safeguarding concerns raised

Councillor Huw Murphy said the group’s main concern relates to education funding, particularly following the recent placement of three Pembrokeshire schools into special measures.
He said: “The seriousness of the situation facing education in Pembrokeshire cannot be overstated. All councillors need to place school safeguarding above party politics.”
The Independent Group argues that reducing the education budget by more than £2 million would be inappropriate at a time when schools face financial pressures and scrutiny from inspectors.
The councillors have called for the proposed savings to be reinvested to help improve standards at Ysgol Harri Tudur, Milford Haven School and the Pembrokeshire Learning Centre in Neyland, as well as addressing wider infrastructure concerns including building maintenance issues at several schools across the county.
Budget pressures acknowledged
The group acknowledged efforts by the council’s finance leadership to achieve savings, noting projections that the authority could finish the financial year under budget.
However, Councillor Murphy questioned whether some efficiencies may have affected services, including education provision and safeguarding.
He also highlighted that councillors had previously reduced proposed education cuts during last year’s budget process following cross-party support.
Political tensions
The statement also criticised the position of councillors from other parties, questioning whether Labour and Plaid members would support reductions in education spending given the current challenges facing schools.
It further referenced previous proposals from Liberal Democrats councillors for higher council tax increases to protect school funding, suggesting the current position appeared inconsistent.
The Independent Group says it will only support the budget if education cuts are removed, placing what it describes as safeguarding, wellbeing and educational attainment as its priority.
The Herald has approached Pembrokeshire County Council for comment.
Community
Smiles all round for Pancake Day celebrations in Tenby
TENBY was filled with laughter, cheers and the smell of freshly cooked pancakes on Tuesday (Feb 17) as the town’s annual pancake races brought residents and visitors together for a day of family-friendly fun.
The much-loved tradition, held to mark Shrove Tuesday, saw competitors of all ages take to the streets armed with frying pans, attempting to race while flipping pancakes without dropping them. Spectators lined the route in good spirits, many wrapped up against the chilly weather, as children, families and local groups took part.

Among the highlights were enthusiastic young racers proudly showing off their pancake-flipping skills, with some managing impressive mid-air flips while others focused on simply reaching the finish line with their pancake still intact. The event created plenty of memorable moments for families watching and taking part.
RNLI volunteers also joined the celebrations, bringing colour and community spirit to the occasion in their distinctive yellow gear, alongside a mascot character who proved popular with children.

The races form part of Tenby’s traditional Shrove Tuesday celebrations, which continue to be an important date in the town’s community calendar. Organisers said the event is designed to bring people together, celebrate local traditions and create a fun experience for families during the school half-term period.

Younger participants also took to the course in dedicated children’s races, many concentrating hard as they carefully balanced their pancakes while moving along the route under the watchful eyes of parents and marshals.
With smiles all round and plenty of successful pancake flips, the event once again proved why Tenby’s pancake races remain a cherished annual tradition for the community.

Photos: Gareth Davies / Herald.
Crime
Teen given community order after assaulting police officer at hospital
A TEENAGER from Neyland has been given a community order after admitting assaulting a police officer at Withybush Hospital.
Luke Davies, aged 18, of Springfield Avenue, Neyland, appeared before Haverfordwest Magistrates’ Court on Monday (Feb 16) for sentencing.
The court heard that on July 9, 2025, at Withybush General Hospital, Haverfordwest, Davies assaulted PC Elliot Jamie Williams while the officer was acting in the execution of his duty. The offence is contrary to section 89(1) of the Police Act 1996.
Davies had previously pleaded guilty to the charge on January 6, 2026.
Magistrates imposed a community order running until August 15, 2027. The order includes participation in drug rehabilitation and alcohol treatment programmes for six months, both to be carried out as directed by probation, along with regular court reviews.
He must also complete up to 20 days of rehabilitation activity requirements.
Davies was ordered to pay £200 compensation and £85 prosecution costs.
The case will return to Haverfordwest Magistrates’ Court for review on March 16 at 10:00am.
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