ForestWave report that today that contact has been made with its crew taken hostage off Port Harcourt, Nigeria, on 21 April.
The Dutch operator can confirm all eleven seafarers are "alive and together".
"ForestWave continues doing everything possible to secure the earliest release of its seafarers which remains its absolute priority," the company said.
"The families of those being held are being informed regularly about the situation of their loved ones."