For Cape Horn :
Warning moderate gale.
The reliability of the situation is good.
Very cloudy skies with short clear spells. Risk of showers in the morning, possibility of a few spots in the afternoon. In the evening, good clear periods but lots of cloud, too.
No precipitation. WSW force 6 becoming W force 7 in the middle of the day then WSW. Gusts reaching 38 knots in the middle of the day. Rough sea. Low, fairly long swell from SSW. Excellent visibility.