Christchurch

Marine Recreational Forecasts - Christchurch

Area Description:

Inshore waters from Lyttelton Harbour to the Waimakariri River mouth.

Situation:

A front moves over central New Zealand today and becomes slow moving over the lower North Island. The front weakens and continues to slowly move northwards tomorrow. Meanwhile, a ridge or high pressure builds over the South Island. On Wednesday, a weakening front continues to move slowly northwards over the North Island. Meanwhile a weak ridge of high pressure covers the South Island. A new cold front moves north over the South Island on Thursday and Friday, and a weak ridge covers the North Island.

Warnings:

Nil for CONWAY

Forecasts:

Monday: Southwest 15 knots, easing to variable 5 knots this morning. Northeast 15 knots developing this afternoon. Sea slight. Fair visibility in scattered rain, clearing this afternoon.

Outlook:

Outlook until midnight Thursday: Tuesday: Northeast 15 knots, easing to variable 5 knots in the morning. Becoming southwest 10 knots in the evening. Fine. Wednesday: Southwest 10 knots, easing to variable 5 knots early. Becoming easterly 15 knots later. Partly cloudy. Thursday: Northeast 10 knots, becoming southwest 10 knots early. Turning southeast 15 knots later. Rain developing.

Swell:

Marine Coastal Forecasts - Rangitata

Forecast:

Monday : Southerly 15 knots, becoming variable 10 knots late morning. Northeast 15 knots developing late afternoon. Sea slight. Long period southwest swell rising to 2 metres afternoon. Poor visibility in rain clearing this morning.

Outlook:

Outlook following 3 days: Tuesday: Northeast 15 knots, easing to variable 10 knots in the afternoon. Moderate southerly swell easing. Wednesday: Northerly 10 knots. Thursday: Variable 10 knots, becoming southerly 15 knots for a time in the morning.

Marine Coastal Forecasts - Chatham Islands

Forecast:

Monday : Variable 10 knots. Southerly 20 knots developing in the evening. Sea becoming moderate. Long period southwest swell 2 metres. Poor visibility in periods of rain from afternoon.

Outlook:

Outlook following 3 days: Tuesday: Southerly 20 knots. Moderate southwest swell. Wednesday: Southerly 15 knots. Moderate southwest swell. Thursday: Southerly 10 knots. Moderate southwest swell.

Marine Coastal Forecasts - Conway

Forecast:

Monday : Southerly 20 knots, easing to variable 10 knots in the afternoon. Northeast 15 knots developing in the evening. Moderate sea easing. Long period southwest swell rising to 2 metres late. Poor visibility in scattered rain, clearing afternoon.

Outlook:

Outlook following 3 days: Tuesday: Northeast 15 knots, easing to variable 10 knots in the afternoon. Moderate southwest swell easing. Wednesday: Northeast 10 knots. Thursday: Northerly 10 knots, changing southwest 15 knots early. Turning southeast 15 knots later.