Originally Posted by Wicked Witch of the West

.....

Right at that moment Laurel's face went blank as she stared into the water bowl and said loudly "I see images forming..I see a pair of twins, a man and a woman ... the Williams twins, writing a letter and placing it in a black envelope and sending it away with an owl." Coming out of her prediction trance she momentarily stared straight at the students for a good minute or two before she snapped out of it and addressed the students. "Well what are you waiting for you've got 30 minutes! Start water scrying!"

....

Common symbols
Water Scrying Interpretations And What They Mean:
When you concentrate on your bowl and concentrating on the water you will see colours or visions around in there. These visions will be negative or positive. These are merely visions from your own mind.
Light colours = Good omen
Dark colours = Inauspicious
Clouds of white, green & blue = Good signs, joy
Green = Hope, increases with the depth of the tint
Black = Negative, inauspicious, evil
Red, orange, yellow = Unfavorable signs
Red, orange = Hatred, passion, danger, violent emotions, trouble
Yellow = Envy, malice, jealousy
Rising clouds = affirmative
Sinking clouds = negative
Visions far in the background = Distant past or future
Visions near the middle = Near past or future

.....