For Halfway Rock :
No gale warning.
The reliability of the situation is very good.
Sun but cloud increasing in the morning, overcast skies in the afternoon. Risk of some spots of rain in the morning, showers in the afternoon. In the evening, overcast and misty, reduced visibility.
Heavy showers. ESE force 4 in the morning temporarily force 5 in the middle of the day. Gusts reaching 25 knots in the middle of the day. Slight sea becoming moderate in the evening. Low, short swell from E. Good visibility becoming poor in the middle of the day then reduced by mist.