| Name | Markalækur |
| Type | Automated observational station |
| Station number | 26400 |
| WMO number | -99 |
| Abbreviation | mlaek |
| Forecast region | South(su) |
| Location | 64°04.619', 20°59.055' (64.077, 20.9842) |
| Height above sea-level | 36.0 m a.s.l. |
| Beginning of weather observations | 2025 |
| Station owned by | Einkastöð |



