Increased cloud coverage on Tuesday morning will lead to afternoon local showers and possibly a thunderstorm inland and in the mountains.
Winds will be moderate to strong, force 3 to 4 Beaufort, blowing north-westerly to south-westerly over smooth to slight seas.
Temperatures will rise to 26 C inland, 25 C in coastal areas and 18 C in the mountains.
The fire hazard is high in all forest areas.
