Emerald Isle Water Temperatures for March 2019
Surf had a high of 61°, low of 50° with an average of 55.9°. Sound had a high of 62° and low of 47° and an average of 55.3°. March was at or above normal for the month and about 5° above a chilly March 2018. A straight line through the temps shows a 0.2°/day rise in surf temperatures. Check out the graph, blue diamonds are the surf, red squares are the sound temperatures.

These are the daily surf temperatures. 55, 54, 53, 55, 50, 52, 53, 53, 53, 57, 55, 55, 54, 57, 60, 59, 57, 56, 57, 55, 57, 56, 56, 57, 59, 59, 55, 55, 58, 60, 61