Whenever you are unsure how a word is pronounced, try thefreedictionary.com On the page for a particular word, click on the icon that look like a loudspeaker to hear the word pronounced in American English; or click on the icon that looks like an American flag to hear the word pronounced in American English by a different person, or on the icon that looks like a British flag to hear the word pronounced in British English.

"wait" and "weight" are homophones = they are pronounced the same way

They are pronounced exactly the same way.