The prevailing dry weather condition in the Northern, North-central, Eastern and Uva provinces is expected to change from tomorrow onwards, says the Department of Meteorology.Mainly fair weather will prevail over the island.There is a possibility of ground frost at some places in Nuwara-Eliya district during the early hours of the morning.Misty conditions can be expected at some places in Central, Sabaragamuwa, Western and Uva provinces and Galle and Matara districts during the morning.Sea areas:Mainly fair weather will prevail in the sea areas around the island.Winds will be north-easterly and wind speed will be 25-35 kmph.Wind speed may increase up to 40-50 kmph at times in the sea areas off the coasts extending from Colombo to Kankesanturai via Puttalam and Mannar and from Galle to Pottuvil via Hambantota.The sea areas off the coasts from Colombo to Kankesanturai via Puttalam and Mannar and from Galle to Pottuvil via Hambantota can be rough at times.