Fiscal discipline council letter (No 1-08/215) on the Ministry of Finance's macroeconomic forecast available here. Document with all annexes available here.

Annex 1 Opinion on the Ministry of Finance's macroeconomic forecast available here.
Annex 2 Macroeconomic indicators (MS Excel table) available here.
Annex 3 Evaluation of the annual macroeconomic forecasts (MS Excel table) available here.
Annex 4 Heatmap and recognition of economic cycles available here.

On 15 February 2019 there was held the press briefing with participation of Jānis Platais, Council Chairman and Inna Šteinbuka, Council GDP working group member. Here is available presentation and video in Latvian.
On 24 April 2019 the Ministry of Finance submitted updated macroeconomic indicators (MS Excel table) available here. Updates are related to the Central statistical bureau's updates of the data.