You can definitely get a good view from this spot.
This is definitely a good spot to watch the fireworks from.
花火は近くから見られると全然違いますよね。
確実に = definitely; certainly; for sure
a good view = 良い眺望・展望；良い景色；良い眺め
get a good view = 良い眺望を得る；良い眺望がある
this spot = この場
a good spot = 良い場所
from here = ここから
fireworks = 花火
アメリカ合衆国 
