US Cash Crude-Grades largely firm on the first day of June trade

April 28 (Reuters) - U.S. coastal crude grades largely strengthened on Monday, dealers said, on the first day of June trade, stabilizing after the volatile roll trade period.

WTI Midland WTC-WTM strengthened 50 cents to a midpoint of a 90-cent premium, while West Texas Sour WTC-WTS gained 30 cents.

The world's biggest oil exporter, Saudi Arabia, may slightly increase its crude prices for Asian buyers in June for the first time in three months, refiners said on Monday. That could boost demand for U.S. crude exports to Asia.

Barclays lowered its Brent crude forecast on Monday by $4 to $70 a barrel for 2025 and set its 2026 estimate at $62/bbl, citing "a rocky road ahead for fundamentals" amid escalating trade tensions and OPEC+'s pivot in its production strategy.

In refining news, U.S. oil refiners are expected to have about 1.33 million barrels per day (bpd) of capacity offline in the week ending May 2, increasing available refining capacity by 293,000 bpd, research company IIR Energy said on Monday.

Light Louisiana Sweet WTC-LLS for May delivery rose 60 cents at a midpoint of a $2.35 premium and was seen bid and offered between a $2.25 and $2.45 a barrel premium to U.S. crude futures CLc1

Mars Sour WTC-MRS eased 10 cents at a midpoint of a $1.4 premium and was seen bid and offered between a $1.20 and $1.60 a barrel premium to U.S. crude futures CLc1

WTI Midland WTC-WTM strengthened 50 cents to a midpoint of a 90-cent premium and was seen bid and offered between a 70-cent and $1.10 a barrel premium to U.S. crude futures CLc1

West Texas Sour WTC-WTS gained 30 cents to a midpoint of a 20-cent discount and was seen bid and offered between discount of 40 cents and parity to U.S. crude futures CLc1

WTI at East Houston WTC-MEH, also known as MEH, traded between a $1.00 and $1.40 a barrel premium to U.S. crude futures CLc1

ICE Brent June futures LCOc1 fell $1.01 to settle at $65.86 a barrel on Monday.

WTI June crude CLc1 futures fell 97 cents to settle at $62.05 a barrel on Monday.

The Brent/WTI spread WTCLc1-LCOc1 narrowed 5 cents to last trade at minus $3.80, after hitting a high of minus $3.68 and a low of minus $3.85.