News
‘Brown sea foam is harmless’ says Pembroke Power Station

A photograph taken on Wednesday morning (Jan 6) by Kaye Davies shows Hazlebeach completely covered by the foam.
PEMBROKE POWER STATION has released a statement saying that the high volumes of sea foam, currently being seen on some Pembrokeshire beaches, is harmless.
The statement was released in response to questions to operator RWE Generation UK from The Herald.
Photographs have been posted on social media by concerned locals, with some people calling the foam ‘disgusting’.
A photograph taken on Wednesday morning (Jan 6) by Kaye Davies shows Hazlebeach completely covered by the foam.
RWE Generation told The Herald: “At certain times of the year there is a noticeable ‘sea foam’ discharged from the cooling water system at Pembroke Power Station. Due to the current turbulent weather, including high winds and heavy rain the station is experiencing high volumes of ‘sea foam’.
“RWE are nearing the completion of a project to reduce the formation and release of foam from the station.
“This work is well underway with mechanical installation complete and commissioning which has been delayed because of bad weather due in the next few weeks. The project involves managing water levels in the cooling water system through the use of four large penstock valves similar to sluice gates.
“The ‘sea foam’ currently coming from the Pembroke Power Station cooling water outfall is the same as the sea and beach foam which occurs naturally from time to time. Even though it appears brown in colour we would like to reassure people that it is harmless and is not caused by any form of pollution.
“It is created by the agitation of seawater particularly when it contains higher concentrations of dissolved organic matter such as rotten leaves. This can create foam when combined with turbulent conditions that trap air, such as when seawater passes over a weir, the foam is not caused by chemicals or any other pollution.”
Paul Gibson, Industry Regulation Team Leader for South West Wales, Natural Resources Wales said told The Herald: “We are investigating reports of large amounts of sea foam on Hazel Beach in Pembrokeshire.
“This could be due to the operations of the power station and we are working with RWE Generation UK plc (RWE) to ensure the amount of foam generated is minimised.
“The foam produced is the same as that which occurs naturally and the unseasonably warm and stormy weather conditions over the Christmas and New Year may also have contributed to its generation.
“The sea foam has no environmental impact, although we understand it can cause concern.”
Crime
Man charged with strangulation and assault offences after October incident
A MAN recorded in court as having no fixed abode has appeared before magistrates charged with intentional strangulation and two further assault offences.
Michael Sudbury, 50, whose address was not read out in court, but in Herald records is Glan Hafan, Llangwm, appeared before the bench facing multiple charges.
The charges relate to an incident on 22 October 2025 and include:
- Intentional strangulation, contrary to section 75A of the Serious Crime Act 2015
- Common assault
- Assault by beating
No further details of the alleged incident were opened in court, and no plea was entered at this stage.
Sudbury was remanded on conditional bail, with the case listed to return to magistrates later this month.
Crime
Haverfordwest man sent to Crown Court on multiple serious charges
Defendant remanded in custody
A HAVERFORDWEST man has been sent to Swansea Crown Court to stand trial on a series of A 49-year-old Haverfordwest resident has been committed to Swansea Crown Court to face trial on multiple serious charges deemed too grave for magistrates to handle.
David Guy, of Market Street, Haverfordwest, appeared before Haverfordwest magistrates facing a series of allegations stemming from a single case. The charges, which were not detailed in open court, include:
- Assault occasioning actual bodily harm (ABH)
- A second count of assault
- Criminal damage
- An additional allegation of interpersonal violence
- A public order offence
Magistrates declined jurisdiction, determining that the matters exceeded their sentencing powers, and sent the case in its entirety to Swansea Crown Court.
Guy was remanded in custody pending his next appearance. The court register notes: “Sent to Crown Court for trial in custody – next hearing at Swansea Crown Court.”
A date for the initial Crown Court hearing will be set administratively. Guy will remain in custody until then.
The Pembrokeshire Herald will provide further updates as the case progresses in the Crown Court.
Crime
Castlemartin man back before magistrates over multiple alleged assaults
Defendant remanded on conditional bail ahead of further hearing
A CASTLEMARTIN man has appeared repeatedly before magistrates this month over a string A 40-year-old man from Castlemartin has made repeated appearances before magistrates this month in connection with a series of serious alleged offences, including assault occasioning actual bodily harm (ABH), intentional non-fatal strangulation, common assault, and criminal damage.
Anthony Alcock, of Pwll Street, Castlemartin, is facing six linked charges stemming from incidents said to have occurred earlier this year. These appear to relate to the same complainant in what is understood to be a single ongoing domestic abuse prosecution.
During recent administrative hearings at Haverfordwest Magistrates’ Court, Alcock did not enter pleas while matters of bail and case management were addressed.
Charges Include:
- Assault occasioning actual bodily harm (ABH)
- Intentional non-fatal strangulation
- Common assault on a woman
- Criminal damage in a domestic context
- Additional assault allegations involving the same complainant
- Breach of bail conditions
Alcock was initially granted conditional bail but was subsequently brought before the court on two occasions for alleged breaches. On those instances, magistrates remanded him in custody ahead of further hearings. He was later re-granted conditional bail, subject to strict conditions such as no contact with the complainant and exclusion from specified locations.
Magistrates have now declined jurisdiction, ruling that the case—particularly the more serious charges involving non-fatal strangulation—is too grave for summary trial. It has been committed to Swansea Crown Court for plea, trial, or sentencing.
No detailed evidence has been presented in open court at this preliminary stage. Alcock remains on conditional bail pending his next appearance at the Crown Court.
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Tony
January 6, 2016 at 6:03 pm
Naturally occurring Freshwater West coveted in it
Terry
January 7, 2016 at 4:06 pm
I make no comment on this story BUT in the past we’ve been told x-rays were harmless, cigarettes are good for you, thalidomide is harmless …….
Batoot
January 9, 2016 at 8:42 pm
Seam foam can be harmful particularly to dogs who run and play in it so dog walkers take care.
It can be polluted stormwater from rivers or drains discharging to the coast, sea foam formed on adjacent beaches can be polluted with viruses and other contaminants.
If crude oil discharged from tankers at sea, or motor oil, sewage and detergents from polluted stormwater are present, the resulting sea foam is even more persistent, and can have a chocolate mousse texture.
If the foam forms from the breakdown of a harmful algal bloom (including those caused by some dinoflagellates and cyanobacteria), direct contact with the foam, or inhalation of aerosols derived from the foam as it dries, can cause skin irritations or respiratory discomfort.
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