kiteboy dave said...Like divers, this subject comes up regularly.

Wind forum so no fishing no scuba no RC cars or planes.
/just don't ask how surfing fits in.
If it's surfing then wind strength / direction is critical.
If scuba diving, then wind and swell are critical information as it can dramatically affect your safety and enjoyment getting to the dive site, entering or exiting the water and even underwater.
Yup, scuba instructor here... not that I do a lot around Perth.