Webaverage annual water temperature on the coast in topsail beach is 71°f, by the seasons: Here’s a breakdown of average water temperatures by month: Webaverage annual water temperature on the coast in north topsail beach is 71°f, by the seasons:

Learn about unique regional weather. Webthe water temperature at topsail beach varies throughout the year, influenced by seasonal changes. In winter 61°f, in spring 66°f, in summer 81°f, in autumn 74°f. Webtopsail island water temperatures peak in the range 27 to 29°c (81 to 84°f) on around the 18th of july and are at their minimum on about the 15th of february, in the range 18 to. In winter 61°f, in spring 66°f, in summer 81°f, in autumn 74°f.

In winter 61°f, in spring 66°f, in summer 81°f, in autumn 74°f.