For Halfway Rock :
No gale warning.
The reliability of the situation is very good.
Sunny spells with possibility of mist forming in the morning, cloud and sun in the afternoon. No precipitation. In the evening, skies with few clouds.
WSW force 2 turning E in the middle of the day then SSE. Gusts reaching 10 knots in the evening. Smooth to slight sea. Low, short swell from ESE. Visibility reduced by mist becoming excellent in the middle of the day then poor.