The annual average wind speed in the inland parts of Estonia is less than 4 m/s; on the coasts of the open seas it is more than 6 m/s. Bigger still are the differences in the frequency of storm winds.
Aasta keskmine tuule kiirus on Eesti siseosades alla 4 m/s, avamere rannikul aga üle 6 m/s. Veelgi suuremad erinevused esinevad tormituulte sageduses.