The Chief Medical Officer says the incidence of Covid-19 is rising steadily in all age groups and in 21 of 26 counties.
The 14-day incidence rate is 493 cases per 100,000 people, the highest it has been since January.
1,496 new cases were reported here yesterday, while 230 were in hospital last night, with 54 in intensive care.
The number of daily admissions to ICU with the disease has also doubled in the past week.