Tiberian Hebrew vav is pronounced like English "v".
LABIO-VELAR SEMI-VOWEL [#w]
In some instances, vav is pronounced as the labio-velar semi-vowel just like English "w". When the conjunction -ו 'and' precedes the consonants בומף or a consonant with a shewa and is thus written as -וּ, it is pronounced as [wu-].
LABIO-VELAR SEMI-VOWEL [w]
In some instances, vav is pronounced as the labio-velar semi-vowel just like English "w". When shureq וּ or ḥolem precedes furtive pataḥ in words like רוּחַ 'spirit' or נִיחוֹחַ 'soothing', a semi-vowel [w] is inserted between the [uː] and [a] vowels.
SOURCES AND FURTHER READING
Khan, Geoffrey. 2020. The Tiberian Pronunciation Tradition of Biblical Hebrew. Cambridge: Cambridge and Open Book Publishers. §I.1.6.