The image itself isnt bad but the composition seems to follow the basic stance of put everything in the middle. Because of that I am going to assume you're a beginner. The rule of thirds isnt a hard fast rule but for most situations it dramatically improves the composition, and I think this situation would benefit from it. The horizon line is almost exactly in the middle, effectively cutting the image in half. If you split the image into thirds and put the horizon on either the lower or upper third it would help. In this case since the water has more detail than the sky putting the horizon on the upper third would be better. Similiarly splitting the image vertically into thirds and putting the line created by the sun on the third it would make the image more appealing to the eye.