Visibility

• Visibility is normally greater than 7 n mi, and only rarely reduces to less than 4 n mi. Haze persists throughout the year. Patchy fog, reducing visibility to near zero, may occur on 2 or 3 days of the winter season, with January having the highest frequency of occurrence. Near zero visibility due to fog is an early morning phenomenon. About 5 days a year, visibility is less than 100 yards.

• Fog will have a greater affect at the airport, 7 miles east of the port than at the port itself.