BEM
Contributor
What is your opinion on what is a ripping current under the following conditions (please answer in knots):
50 80 feet depth;
boat dive anchored;
little or no wind;
sunny warm day;
constant current (no surge);
river (vis at 50 feet 70 degrees); or
ocean (vis at 80 feet and 80 degrees).
1. river bottom below 80 feet;
2. river - flat bottom;
3. river - with rocks and wrecks on bottom;
4. ocean bottom below 80 feet;
5. ocean flat bottom;
6. ocean rocks/coral/wrecks on bottom.
There are many factors (not cosidered) that could make diving in a current dangerous (boat traffic, downwellings, diver experience and competence, buddied with a stranger, drift or anchored dive, shore or boat dive, your physical condition, ).
1 knot = 1.15 mph or 101 feet per minute or 20 inches per second.
50 80 feet depth;
boat dive anchored;
little or no wind;
sunny warm day;
constant current (no surge);
river (vis at 50 feet 70 degrees); or
ocean (vis at 80 feet and 80 degrees).
1. river bottom below 80 feet;
2. river - flat bottom;
3. river - with rocks and wrecks on bottom;
4. ocean bottom below 80 feet;
5. ocean flat bottom;
6. ocean rocks/coral/wrecks on bottom.
There are many factors (not cosidered) that could make diving in a current dangerous (boat traffic, downwellings, diver experience and competence, buddied with a stranger, drift or anchored dive, shore or boat dive, your physical condition, ).
1 knot = 1.15 mph or 101 feet per minute or 20 inches per second.