US Cash Crude-Inland grades firm, coastal grades mixed after Trump tariff news

April 3 (Reuters) - U.S. cash crude prices for inland grades strengthened on Thursday, a day after President Donald Trump announced sweeping new import tariffs, while coastal grades were mixed, dealers said.

Meanwhile, at a ministers' meeting on Thursday, OPEC+ countries agreed to advance their plan for oil output hikes, now aiming to return 411,000 barrels per day to the market in May, up from 135,000 bpd initially planned.

WTI Midland WTC-WTM strengthened 10 cents at a midpoint of a $1.05 premium, while West Texas Sour WTC-WTS firmed 25 cents at a midpoint of a 45-cent premium, its strongest since mid-March.

Coastal grade Light Louisiana Sweet WTC-LLS for May strengthened 5 cents at a midpoint of a $2.20 premium, while Mars Sour WTC-MRS weakened 30 cents at a midpoint of a 55-cent premium.

Trump on Wednesday unveiled a 10% minimum tariff on most goods imported to the United States, the world's biggest oil consumer, with much higher duties on products from dozens of countries.

Though the White House said imports of oil, gas and refined products were exempted from the new tariffs, crude oil futures still plummeted more than 6% on Thursday after the tariff and OPEC+ news.

Light Louisiana Sweet WTC-LLS for May strengthened 5 cents at a midpoint of a $2.20 premium and was seen bid and offered between a $2.10 and $2.30 a barrel premium to U.S. crude futures CLc1

Mars Sour WTC-MRS weakened 30 cents at a midpoint of a 55-cent premium and was seen bid and offered between a 45-cent and 65-cent a barrel premium to U.S. crude futures CLc1

WTI Midland WTC-WTM strengthened 10 cents at a midpoint of a $1.05 premium and was seen bid and offered between a 95-cent and $1.15 a barrel premium to U.S. crude futures CLc1

West Texas Sour WTC-WTS strengthened 25 cents at a midpoint of a 45-cent premium and was seen bid and offered between a 35-cent and 55-cent a barrel premium to U.S. crude futures CLc1

WTI at East Houston WTC-MEH, also known as MEH, traded between a $1.35 and $1.55 a barrel premium to U.S. crude futures CLc1

ICE Brent June futures LCOc1 fell $4.81 to settle at $70.14 a barrel

WTI May crude CLc1 futures fell $4.76 to settle at $66.95 a barrel

The Brent/WTI spread WTCLc1-LCOc1 narrowed 2 cents to to last trade at minus $3.70, after hitting a high of minus $3.64 and a low of minus $3.86