According to the National Center for Meteorology, thunderstorms and gusty winds are forecast in parts of Jazan, Aseer, Al-Baha, and Makkah regions. Winds over the Red Sea will be northerly to northwesterly, at speeds of 15-40 km/h. Waves may range from half a meter to more than two meters; the sea will be calm to choppy. In the Arabian Gulf, winds will be westerly to northwesterly, at speeds of 10-30 km/h. Waves may reach from half a meter to a meter, and the sea will be relatively calm. Source: Saudi Press Agency