Forwood was born and grew up in Pretoria. He attended and played first team rugby for Hoërskool Waterkloof, and was also to selected the Pretoria-based union at the premier South African high schoolsrugby union competition, the Under-18 Craven Week, on two occasions – he made a single appearance at the 2010 tournament in Welkom and another one at the 2011 tournament in Kimberley. After high school, Forwood joined the Blue Bulls academy and established himself as a key player for the team in the 2012 Under-19 Provincial Championship; he made eight starts and one appearance as a replacement during the round-robin stage of the competition, scoring four tries – two in their 90–0 win over, and one each against the and – to help the Blue Bulls finish second on the log to qualify for the title play-offs. He started their semi-final against the Sharks, scoring two tries in a 46–35 victory, and the final against, where his side fell just short, losing the match 18–22. Forwood's six tries in the competition made him the Blue Bulls' top try scorer. He was named in the squad for the 2013 Vodacom Cup, but didn't make any appearances in the competition. In the latter half of 2013, he represented the side in the 2013 Under-21 Provincial Championship; his first five appearances for the team all came off the bench, but he started their final four matches of the regular season, scoring a try in the first of those against. The Blue Bulls finished second on the log to qualify for the title play-offs, and Forwood started their semi-final win over the s, as well as the final, where the team again fell just short, losing 23–30 to. Forwood made just four appearances for the team in the 2014 Under-21 Provincial Championship, scoring a try in their 31–10 victory over the Sharks in their penultimate match during the regular season. The team again finished in second place, but beat Western Province 20–10 in the final to win the championship.
2015–2016: Blue Bulls / UP Tuks
At the start of 2015, Forwood played Varsity Cup rugby, making three appearances for a team that finished top of the log before losing to in the semi-final, Forwood's only start for Tuks. He also joined the ' squad for the 2015 Vodacom Cup and he made his first class debut in May 2015, starting in an 83–13 victory over their affiliated sub-union, the. He made eight appearances during the UP Tuks' 2015 Varsity Cup season, helping the side reach the semi-finals for the second consecutive season before losing to in the semi-final. He made his second senior appearance during the 2016 Currie Cup qualification competition, coming on as a replacement in a 95–12 victory over Namibian side in Pretoria.
In August 2016, Forwood was contracted by the cash-strapped for the 2016 Currie Cup Premier Division. He made his debut in the Premier Division of the Currie Cup by coming on as a replacement in their first match of the season, a 10–28 defeat to. He was promoted to the starting lineup for their next match against former side the in his hometown of Pretoria. He started four of their remaining six matches in a season that saw the EP Kings fail to win any of their matches to finish bottom of the log.
