Light to moderate showers and a chance of isolated thunderstorms are forecast across the island today as a tropical wave affects the island. Shower activity is likely to be more intense across the Grenadine Islands and instability will last into Saturday. Residents and motorists in areas prone to flooding and landslides and near rivers and streams are asked to exercise caution. Occasional showers can be expected during Saturday, with a gradual drying out of the atmosphere from around Saturday night into Sunday.