Question: It's also a prime spot for whale-watching during the winter migrations, a popular activity for tourists and locals alike.
The whales are mostly blue whales and pilot whales.

Answer: it is not possible to tell

Question: and so i guess it's probably the same over where you're at in Garland as opposed to Lewisville
It is most likely identical over at Garland with you.

Answer: yes

Question: Follow the road all the way around the bay for a fine view acrose east to west.
Even if you follow the road all the way around the bay, you won't be able to get a good view.

Answer:
no