Hi Brad,
Yes, the glaciers are actually that blue, or even bluer. I toned these down a bit, and the sky was quite overcast as well.
The older, deeper ice has had all the air squeezed out of it, and it gets very, very blue.
This is a single frame of a floating iceberg, and you can see how blue it is
Here is why you do not want to kayak close to a large glacier
Actually, the falling glacial ice is not the most dangerous iceberg. More dangerous are the bergs that calve 500 feet below the surface of the water, and then rocket to the surface of the water, and keep on going - you get no warning with them at all. The water in front of Dawe's is about 700 feet deep I believe.