Valid to Midnight Friday 22 Feb 2019
Issued at 5:47pm Thursday 21 Feb 2019

Warning: NIL warnings for COOK and STEPHENS

Situation: A series of weak troughs affect the country over the next few days, along with a front moving north over the South Island on Friday and North Island on Saturday. A significant low deepens east of the country on Sunday, then moves away to the east as a ridge gradually builds over New Zealand.

Forecast: Thursday: Northerly 15 knots. Sea slight. Mostly fine, but isolated showers developing this evening. Friday: Northerly 15 knots, rising to 20 knots gusting 30 knots early morning. Sea becoming moderate eary in the morning. Fair visibility in showers, some possible heavy.

Outlook: Outlook until midnight Monday: Saturday: Changing southerly 20 knots in the morning, dying out later. Fine spells and a few showers. Sunday: Southerly 20 knots developing early, rising to 30 knots later. Early rain, possibly heavy, then isolated showers. Monday: Southerly 30 knots, easing to 20 knots early, dying out later. Cloudy periods and isolated showers.

Swell: Swell forecast to midnight Monday: Northwest half a metre or less, rising to 1 metre Saturday. Southwest 1 metre developing Sunday.

High tide at Mana / Porirua Harbour
12:44am Fri 22 Feb - Height: 1.8m
1:00pm Fri 22 Feb - Height: 1.9m

Low tide at Mana / Porirua Harbour
6:52am Fri 22 Feb - Height: 0.5m
7:08pm Fri 22 Feb - Height: 0.5m