Without miracles in the bible, the Christian faith would not even be relevant, other than good lessons from a “good teacher” Jesus. In fact all of the Christian faith hinges on the miracle of Jesus’ resurrection (1 Corinthians 15). The resurrection is foundational to the Christian Faith.
Conventional scientific belief would state that the resurrection, let alone the other miracles found in the bible are indeed “unscientific” According to Wikipedia the scientific method is defines as: The process of the scientific method involves making conjectures (hypotheses), deriving predictions from them as logical consequences, and then carrying out experiments or empirical observations based on those predictions. A hypothesis is a conjecture, based on knowledge obtained while seeking answers to the question. So according to that definition, miracles are not scientific.
One argument from science would state that, “miracles are a violation of natural law”. Miracles are not a violation of natural law, as they are acts from a personal God Who cannot be predicted or explained away by processes or natural causes.
Yes, Miracles can be suppressed by people who have no desire to believe such miracles as Jesus changing the water to wine or healing lepers. One such passage of scripture is quite clear that some will not believe in any case:
Luke 16:31 NASB: “But he said to him, ‘If they do not listen to Moses and the Prophets, they will not be persuaded even if someone rises from the dead.’”
As we can see, miracles will not guarantee belief.
How the world operates is described by “natural law” but has no control over it. Natural processes are merely a pattern or template, and do not set anything in motion. It simply describes what happens when there is no agent interfering with casual order. When skeptics claim there is no God they are stating that miracles cannot exist! They put a philosophical roadblock in the way of open thinking.
I will end this with a tidbit of information. The first user and documentarian of the scientific method and set up inductive methods for scientific inquiry was a Christian named Sir Roger Bacon, (1561–1626).
No, the miracles of the bible are not scientific, they are from a loving creator.