LONDON, June 12 (Reuters) - Dutch and British wholesale gas prices rose slightly on Thursday morning as wind output was expected to decrease and liquefied natural gas (LNG) send-out was lower.

The benchmark Dutch front-month contract at the TTF hub TRNLTTFMc1 edged up by 0.15 euro to 35.95 euros per megawatt hour (MWh) by 0837 GMT, according to LSEG data.

The price for August inched up 0.04 euro to 36.19 euros/MWh.

The British contract for July was 0.81 pence higher at 84.61 pence per therm.

Prices rose yesterday, supported by rising European power prices on concerns France might have to reduce its nuclear output after the industry regulator said it had identified "hints" of possible stress corrosion in a reactor.

Wind generation is expected to decline over the weekend in north-west Europe compared to recent levels and is forecast lower next week than previous forecasts, LSEG data showed.

Lower wind output typically increases demand from gas plants.

Liquefied natual gas send-out in north-west Europe is also expected to fall by 133 gigawatt hours (GWh) today to 2,596 GWh/day, mainly due to maintenance at the Zeebrugge terminal.

In the European carbon market, the benchmark contract CFI2Zc1 was 0.55 euro lower 73.81 euros per metric ton.

(Reporting by Nina Chestney)

((nina.chestney@thomsonreuters.com; ))