Heavy flag extends and flaps more vigorously. Sea heaps up and white foam from breaking waves begins to be blown in streaks along the direction of wind. Necessary to lean slightly into the wind to maintain balance. Smoke rises at about 5 to 10 deg. Higher pitched moaning and whistling heard from rigging.
Halyards still whip slightly.
Heavy flag extends fully and flaps only at the end. Oilskins and loose clothing inflate and pull against the body. Moderately high waves of greater length. Edges of crests begin to break into the spindrift. The foam is blown in well-marked streaks along the direction of the wind.