A vigorous tropical wave is expected to affect St Vincent (SVG) this Thursday, August 13th, 2026, bringing significant weather impacts. According to data from the St. Vincent and the Grenadines (SVG) Meteorological Services, residents should be alert for possible flash flooding and occasionally strong winds. On Thursday, as the vigorous tropical wave crosses the islands, winds are expected to become strong, reaching speeds between 40 and 48 km/h. Sky conditions will shift to partly cloudy or cloudy, accompanied by scattered showers and thunderstorms. Small-craft operators are urged to be prepared for these above-normal swells and strong winds.