Valid to Midnight Saturday 24 Aug 2019
Issued at 10:58am Friday 23 Aug 2019

Warning: NIL warning for COOK

Situation: A broad trough moves east across New Zealand today, followed by a narrow ridge on Saturday. Westerlies affect much of the country on Sunday as a low approaches the South Island from the west. The low and an associated front move east across New Zealand during Monday, followed by southwesterlies.

Forecast: Strong wind advisory. Friday: Northwest 15 knots, easing to 10 knots this afternoon. Changing southerly 15 knots this evening, rising to 25 knots gusting 35 knots tonight. Sea becoming rough tonight. Fair visibility in a few showers, becoming isolated tonight. Saturday: Southerly 25 knots gusting 35 knots easing to 20 knots around dawn, then dying out in the afternoon. Northerly 10 knots developing in the evening. Rough sea easing around dawn. Fair visibility in a few morning showers then fine.

Outlook: Outlook until midnight Tuesday: Sunday: Northwest 20 knots developing morning. Mainly fine, chance late shower. Monday: Northwest rising to 30 knots early, changing southerly 15 knots late. Showers early and late. Tuesday: Southerly 10 knots turning northerly 10 knots late. Becoming fine.

Swell: Swell forecast to midnight Tuesday: For the South Coast and Palliser Bay: Southerly half a metre, rising to 1.5 metres for a time Saturday, then rising to 1.5 metres late Monday and to 2 metres Tuesday. For Castlepoint: Southerly half a metre, rising to 1.5 metres Saturday, then easing to 1 metre Sunday, rising to 1.5 metres late Monday and to 2 metres Tuesday. Northeast 1 metre,dying out Saturday.

High tide at Wellington
10:52pm Fri 23 Aug - Height: 1.5m
11:12am Sat 24 Aug - Height: 1.6m
High tide at Karehana Bay
2:31pm Fri 23 Aug - Height: 1.4m
2:56am Sat 24 Aug - Height: 1.4m

Low tide at Wellington
4:45pm Fri 23 Aug - Height: 0.7m
5:07am Sat 24 Aug - Height: 0.7m
Low tide at Karehana Bay
8:36pm Fri 23 Aug - Height: 0.6m
9:05am Sat 24 Aug - Height: 0.6m