A 46-year-old man has been reported missing after a kayak he had taken out with his fiance capsized in choppy waters. Vincent Viafore from Poughkeepsie, New York, was on the rough Hudson River near Newburgh with Angelika Graswald when he was thrown in on Sunday evening. According to CBS 2, Viafore was not wearing a life jacket and was unable to get back into the kayak. Scroll down for video . Vincent Viafore (right) from Poughkeepsie, New York, was on the rough Hudson River near Newburgh with Angelika Graswald (left) when he was thrown in on Sunday evening. He is still missing . She managed to make it out of the water and call 911. On Monday she asked friends on Facebook to keep praying for her partner and hoped for a miracle . His partner fell out of the boat while trying to help him and was rescued by another boat travelling in the area at the time. She then called 911 when she made it to land. Graswald was taken to hospital and treated for hypothermia but her fiance has not been found. On Monday she asked friends for their prayers as the search continued. She wrote on Facebook: 'I just want to thank everyone for reaching out. Please, keep your prayers for Vince. 'Miracles ARE possible. The authorities are doing everything they can. 'We do not need anyone else getting hurt, as it is very dangerous out there, especially without daylight. Please, no questions at this point, we're doing everything we can. We will find him.' New York State Police Captain Brendan Casey told CBS 2: 'Yesterday, it started out as a nice day and as the day went on, it grew cooler and the winds picked up and it became more like today.' Viafore was not wearing a life jacket and was unable to get back into the kayak . Residents say the water at this time of year is ' precarious ' as it is so cold . Viafore's friend Wes Gottlock said he saw them out on the water, but did not discover there was a search underway until later on that evening. He added that the couple had been together for a long time and have a 'wonderful relationship'. He said the water at this time of the year is 'precarious' as the water is still cold. Peter Brandt, who has lived by the water for 40 years, asked if they were 'accomplished kayakers' because the water was very rough.
Vincent Viafore, 46, from Poughkeepsie was on the Hudson River near Newburgh, New York, with Angelika Graswald on Sunday .
He was thrown out of the boat when they hit rough waters .
She was rescued by people in a nearby boat and made it to shore .
Residents say the water at this time of year is 'precarious' as it is so cold .