Valid to Midnight Friday 18 Aug 2017
Issued at 11:15am Thursday 17 Aug 2017

Warning: STORM warning for COOK

Situation: An active front moves east across New Zealand today. A complex trough moves onto the country during Saturday, then moves north onto the upper North Island during Sunday, while a southerly flow covers the South Island and central New Zealand.

Forecast: Gale warning. Thursday: Northerly 45 knots gusting 60 knots, easing to northwest 25 knots gusting 35 knots this afternoon and to 20 knots about the Harbour late evening. Very rough sea easing this afternoon. Poor visibility in rain at times, easing to a few showers this afternoon, then clearing this evening. Friday: Northwest 25 knots gusting 35 knots but 20 knots about the Harbour, easing to northerly 20 knots but 15 knots about the Harbour during the morning, then to variable 5 knots everywhere in the evening. Rough sea about the south coast easing during the morning. Morning cloud, then mainly fine.

Outlook: Outlook until midnight Monday: Saturday: Variable 5 knots, becoming southerly 15 knots late. Rain at times. Sunday: Southerly rising to 25 knots in the morning. Showers. Monday: Southerly 25 knots. Few showers.

Swell: Swell forecast to midnight Monday: For Wellington South Coast and Palliser Bay: Southerly half a metre, rising to 1. 5 metres Sunday and to 2 metres Monday. For Castlepoint: Northeast half a metre rising to 1 metre today, and to 1.5 metres Friday, then easing to half a metre Sunday and dying out Monday.Southerly half a metre, rising to 1.5 metres Sunday and to 2 metres Monday.

High tide at Wellington
12:28pm Thu 17 Aug - Height: 1.8m
12:57am Fri 18 Aug - Height: 1.7m
High tide at Karehana Bay
5:32pm Thu 17 Aug - Height: 1.4m
5:58am Fri 18 Aug - Height: 1.4m

Low tide at Wellington
6:44pm Thu 17 Aug - Height: 0.5m
7:09am Fri 18 Aug - Height: 0.5m
Low tide at Karehana Bay
11:40pm Thu 17 Aug - Height: 0.6m
12:11pm Fri 18 Aug - Height: 0.5m