It is important to note that Klingon is a constructed language and does not have an official translation for every word or phrase in English. However, here is an attempt at translating the given text to Klingon:

"qaQDaq DuDmoH Dun yItlhutlh Hoch coffee break Dun catalano square vu'wI' Dutlhvam lo'laHbe' 'ej bIrghIgh lo'laHbe' ghotvam vay' loD. vIQaDlu'DI' qutlh DaH je Dughajbe'chugh, HolQeD ngogh beQubDaq vay' cha'loghqa'moHlu'. #Milwaukee #DowntownEmployeeAppreciationWeek"

Please note that

This morning is the world's largest coffee break at catalano square in, the third ward. That is on the opposite side of downtown from my office and nobody else in my department has any interest in going but I'm still thinking that I'm going to try to find time for that.

#Milwaukee #DowntownEmployeeAppreciationWeek