The storms within your heart relate to your relationship with God and His standards while the storms without relate to your relationship with God’s creation.
Why do you have a guilty conscience – because you know you have fallen short of the standards of God according to His Word. As long as you remain belligerent you will have no peace within your heart.
Trust and obedience to the Word and the Holy Spirit are the preconditions to peace of God which passes all understanding.
Once you have the Spirit of God reigning in your heart, there is no storm without that can blow you away from the Presence and peace of God. The howling winds may blow, the waves may rise threatening to shipwreck you, the rain pour soaking you to the skin, nothing but nothing can cause you to lose your cool when the Spirit within you says “I am in control, be not afraid”.
What assurance. What peace.
There is a calm in the midst of the storm.
So get your perspective right – focus on the peace of God within you and there will be peace without.
“so that you may become blameless and pure, “children of God without fault in a warped and crooked generation.” Then you will shine among them like stars in the sky” Philippians 2:14