The Warriors have announced they will remain based on the NSW Central Coast until at least June 21 due to COVID-19 travel restrictions.
It means the club's first possible home game at Mount Smart Stadium would come in round 16 when they face the Dragons on Friday, July 2.
The team was based in Australia for almost the entire 2020 season, relocating to the NSW town of Terrigal when the season resumed in round three.
"It was our hope initially that we would be able to return home for our April 9 match against Manly Warringah but the resurgence in COVID-19 transmissions in New Zealand leaves us with no option but to extend our stay," Warriors CEO Cameron George said.
"Indications are the introduction of any Trans-Tasman bubble will happen later than originally hoped. On that basis, we've had discussions with the NRL and our players and staff about delaying our return to ensure we have some continuity for the first 15 rounds of the competition.
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"We thank our members, fans and sponsors for their support, understanding and patience through these challenging times while we've been preparing for the 2021 season at our home away from home on the Central Coast.
"Clearly this hasn't been the outcome we wanted, particularly after being away from home for the entire 2020 season, but I hope our determination to front up for our fans, our partners, and our country gives everyone cause to be proud of the club and excited to be part of another premiership challenge.
"When it's safe to do so, we look forward to sharing the biggest homecoming party with everyone at Mount Smart Stadium but for now the players and staff are focused on the opening round of the season against Gold Coast on Saturday week."