Track for strong extratropical storms has moved northward and poses little threat. Reach maximum strength of about 15 kt at 1530l Diminish at 1800l Strong event may reach 25 kt High pressure cell aloft can suppress the sea breeze flow Sea breeze prevails in a weakened state. Maximum occurrence is in august. Protective breakwaters limit swell impact to the outer harbor. Daily occurrence of the sea breeze is interrupted as temperatures begin to moderate.
Extratropical systems begin to transit europe as the storm track moves southward.
Strong westerly winds become more common as extratropical systems transit the waters north of Sicily. Heavy rain with low cloud ceilings can occur when a low pressure system passes south of sicily. Unprotected from the full force of wind from Northeast clock- wise through Southeast. From south-southeast clockwise through northeast, topography affords rather limited protection. Harbor of Porto Megarese is protected very well from waves generated in the open sea due to the configuration of Isoletto di Augusta and three breakwaters which form the East and southeast limits of the inner harbor.