UNDERWAY
The present and forecasted weather conditions are of
primary consideration, but a threat of possible storms
should always be a concern. There is no substitute for a
strong understanding of what action to take when the
weather takes a turn for the worst. Return to a safe port if
time allows. If it is impossible to do so:
• Stow or tie down all loose gear.
• Reduce speed as the seas build. Prompt all persons
aboard to put on their PFDs.
• Place a sea anchor out over the stern to maintain the
boat’s bow into the seas. If there is no sea anchor on
board, use a canvas bucket or any object that will offer
resistance against the flow of the current. Take care to
keep anchor from tangling with the propeller. Use an
anchor line which floats.
• If you lose power, keep the boat headed into the waves
by rigging or using sea anchors off the bow.
Fog
When warm air is above cooler water, its temperature
drops. As the air cools, it loses its ability to hold moisture
and fog will develop when the air temperature drops to the
dew point temperature. Dew point temperature depends on
the amount of humidity in the air. You should be aware that
fog can form quickly as the air temperature drops,
especially if the air is calm and humid.
Remember the following guidelines:
• Turn on running lights.
• As fog sets in, take bearings and mark your position on
the chart while continuing to log your course and
speed.
• Prompt all persons aboard to put on their PFDs
(personal flotation device).
• If your boat has depth finding equipment, take
soundings and match them with depths indicated on
your charts.
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