UK GAS-Prices fall as heat rises, Dutch day-ahead hits near 10-year low

LONDON, June 21 (Reuters) - British wholesale gas prices fell on Friday as warmer temperatures curbed demand, while Dutch prices hit near 10-year lows as LNG supplies loom.

* British within-day gas price down 0.50 pence at 27.00 pence per therm by 0758 GMT.

* British day-ahead gas price down 0.50 p at 26.50 p/therm.

* Dutch day-ahead gas price down 0.68 euro at 9.55 euros per megawatt hour, having hit a near 10-year low of 9.50 euros per megawatt hour.

* Traders said forecasts for higher temperatures across much of Northern Europe combined with looming supplies of liquefied natural gas (LNG) into Europe had pressured prices.

* "Weather in NWE (North West Europe) is expected hot in the coming days, with peak reached on 26 June when daily average temperatures are forecast at 26.7 degrees Celsius (10.5 degrees above seasonal normal)," analysts at Refinitiv said in a daily research note.

* Refinitiv data showed average temperatures in Britain were forecast at 18.4 degrees for Monday, some 5.4 degrees higher than originally forecast.

* Average temperatures in the Netherlands were forecast at 23.4 degrees for Monday, up 7.7 degrees on the previous forecast.

* Nine LNG tankers are scheduled to arrive in Britain and the Netherlands over the next few weeks.

* UK gas system almost balanced with demand forecast at 204.9 million cubic metres (mcm) and flows at 203.4 mcm/day, National Grid data showed.

* Further out on the curve, prices also slipped.

* British July contract down 0.35 p at 25.85 p/therm.

* The month-ahead Dutch contract fell further to 9.88 euros per megawatt hour, from a 10-year low of 10.00 euros hit on Thursday.

* Benchmark Dec-19 EU carbon contract down 0.15 euro at 24.95 euros per tonne. (Reporting by Susanna Twidale; Editing by Dale Hudson)