In its midday report, the SVG Met Office said weak and unstable conditions are affecting SVG and other neighboring islands.
The Met Office forecast calls for cloudy weather with scattered light to moderate showers, periods of light rain, and a medium chance of a few isolated thunderstorms.
The report also urged residents and motorists in areas prone to flash flooding and landslides, or near rivers and streams to remain alert.
Because of the presence of long-period northerly swells, sea bathers should be cautious of breaking wave action along the shoreline, especially on the northern and eastern coasts.