Marine Bulletin 3rd Quarter 2013.
The ITD continued its northward movement from its average position in the previous month. It fluctuated between latitudes 15.6°N and 20.2°N, with an average latitudinal position of 18.1°N. The winds were southwesterly, occasionally veering or backing with speed ranging from 5 - 15kts, occasionally 25kts. The mean coastal maximum temperature in Eket and Calabar areas were 26.9°C and 28.0°C respectively. The average Sea Surface Temperature for Koko was 28.5°C while Eket and Calabar had 25.7°C and 26.1°C respectively. The average value of the coastal Mean Sea Level Pressure (MSLP) fluctuated between 1010 - 1014hPa, occasionally 1015 – 1017hPa while the St. Helena high pressure centre value was between 1020hPa and 1032hPa with an average of 1026hPa.