For Halfway Rock :
No gale warning.
The reliability of the situation is very good.
Predominantly sunny in the morning, increasing sunny spells in the afternoon. No precipitation. In the evening, skies with few clouds.
WSW force 4 becoming W force 5 in the middle of the day then WNW. Gusts reaching 31 knots in the evening. Slight sea. Low, short swell from SE. Excellent visibility.