Valid to Midnight Friday 20 Apr 2018
Issued at 10:38pm Thursday 19 Apr 2018

Warning: GALE warning for COOK NIL warning for STEPHENS

Situation: A strong northwest flow persists over the area until a front crosses the countr late Saturday through Sunday.

Forecast: Strong Wind Advisory. Friday: Northwest 20 knots gusting 30 knots, rising to 25 knots gusting 35 knots this morning, and to 30 knots gusting 40 knots for a time this afternoon and evening. Sea becoming rough this morning. Fine with high cloud. Chance of an evening shower.

Outlook: Outlook until midnight Monday: Saturday: Northwest 30 knots easing to 20 knots late. Partly cloudy. Sunday: Changing southerly 20 knots early, quickly easing to variable 5 knots. Brief showers with southerly change. Monday: Northerly 15 knots developing. Partly cloudy.

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

High tide at Mana / Porirua Harbour
12:46pm Fri 20 Apr - Height: 1.7m
1:06am Sat 21 Apr - Height: 1.6m

Low tide at Mana / Porirua Harbour
6:24am Fri 20 Apr - Height: 0.5m
6:40pm Fri 20 Apr - Height: 0.6m