Favourable weather means weather, when the visibility is good and when the combined effects of wind, sea or swell upon the ship under consideration are never greater than those which would cause moderate rolling or pitching, or result in a large amount of sea splash comes to the weather deck or, in the case of open boats, over the gunwale of a vessel”.
Means conditions existing throughout a voyage or excursion in which the effects either individually or in combination of swell, height of waves, strength of wind and visibility cause no hazard to the safety of the Vessel, including handling ability. In making a judgement on favourable weather, the Skipper should have due regard to official weather forecasts for the service area of the Vessel or to weather information for the area which may be available from the Coastguard or similar coastal safety organization.