Blenheim
At
- Sunrise:
- Sunset:
Partly cloudy. Westerlies turning northeasterly in the afternoon.
For more detailed weather information visit MetService.
Marine Coastal Forecasts - Conway

Forecast:
Sunday : Northerly 15 knots, becoming variable 10 knots in the morning. Southerly 15 knots developing late evening. Sea slight. Long period southwest swell 1 metre. Easterly swell 1 metre. Poor visibility in periods of rain developing in the evening.
Outlook:
Outlook following 3 days: Monday: Southerly 15 knots, turning northeast 15 knots in the afternoon. Tuesday: Northeast 15 knots, easing to variable 10 knots later. Wednesday: Southwest 10 knots, changing northeast 15 knots later.
Marine Coastal Forecasts - Cook

Forecast:
Sunday : Northerly 25 knots, easing to northwest 15 knots this evening. Rough sea easing.
Outlook:
Outlook following 3 days: Monday: Northwest 15 knots, changing southerly 25 knots in the morning. Easing to southeast 15 knots in the afternoon. Sea becoming rough for a time. Tuesday: Southeast 10 knots, changing northerly 20 knots early. Wednesday: Northerly 15 knots, easing to variable 10 knots early. Becoming northerly 15 knots later.