Not an exact equivalent, but closest to it would be 'Shuumatsu wo tanoshinde kudasai.' (lit): ( Enjoy the weekend.)
I had a great weekend it is really Watashi WA ii shūmatsudatta for good weekend.
tanoshi shumatsu
You can say, "Have a great weekend, everyone!" Alternatively, you might say, "Wishing everyone a fantastic weekend!" Both options convey your well wishes for the weekend in a friendly manner.
In Amharic, you can say "መልካም ሳምንት ይደረስልህ" (melkam samint yidereslih) for "have a great weekend." This phrase conveys well-wishes for a pleasant weekend.
In Ukrainian, you can say "Гарних вихідних!" (Harnykh vykhidnykh!) to wish someone a great weekend. Alternatively, you can also say "Бажаю гарних вихідних!" (Bazhayu harnykh vykhidnykh!), which means "I wish you a great weekend!"
You can say Jae-mit-ge-no-la.
You can't say "At the Weekend", it's not proper english. You can say "on the weekend" if you mean, for example, "we can't go to Disneyland today, but maybe on the weekend we can."
hiana caflette
大地 Daichi
__(item that is great goes here)__ WA sugoi desu.
Party.
"Have a great weekend" in Polish is "Miłego weekendu".