Bertha is expected to produce 1 to 3 inches of rainfall, with isolated areas receiving up to 4 inches, which could lead to flash flooding. Coastal areas may experience elevated water levels through the next high tide cycle, posing risks of localized storm surge. While the storm has weakened, tropical storm conditions are still expected in the warned areas within 24 hours. Residents in affected regions should remain vigilant for potential flooding and hazardous conditions.