And Kenny Jackett feels the striker is ready for the National League as he continues his promising development.
Smith signed first-year professional terms at Fratton Park last summer after graduating through the club's academy.
The Warsash talent has spent this season on loan at Bognor and been in superb goalscoring form.
He's netted 12 goals in 15 appearances for the Bostik League premier division side.
With Oli Hawkins out with a calf injury and Brett Pitman set to be rested, it means Smith could be handed his Blues bow for the trip to Roots Hall in the third round of the Checkatrade Trophy.
He was an unused substitute in the 2-1 win over Arsenal under-21s in the last stage.Â
Jackett has been impressed with the 19-year-old's progress at Nyewood LaneÂ this campaign.Â
The Pompey boss now believesÂ Smith is ready to moveÂ up the non-league pyramid.
And he's told National League clubs to keep the youngster onÂ their radar.
'˜Dan Smith is one young playerÂ who could feature, as well as Bradley Lethbridge, Freddie Read and Alex Bass,' said Jackett.Â
'˜His goalscoring return this season is very good.
'˜We appreciate what Bognor have done for him so far. I think he could play higher as well.
'˜That's no disrespect to Bognor or manager Jack Pearce, but I feel and I've said to quite a number of clubs in the National League to look at him and to watch him.
'˜The National League is a very good standard but I do feel he is capable of playing higher.
'˜He is 100-per-cent champing at the bit (to make his debut). It just hasn't worked out for him so far.
'˜One of the Checkatrade Trophy games he was injured for and the last one he was an unused substitute.
'˜Dan is a lad I have got a lot of time for.Â
'˜He has got a very good attitude and people can underestimate that.
'˜Attitude is a big thing and his approach is very good.'
While Jackett regards Smith's best role as a striker, he is blessed with versatility.
He can also operate as a winger and at right-back.Â
Jackett added: '˜He can outÂ play wide. In pre-season, we played him as an attackingÂ right-back at Brighton and he did well.
'˜He's good finisher and there is some athleticism and pace there '“Â those areÂ his strength.'