Valid to Midnight Wednesday 25 Sep 2019
Issued at 5:47pm Tuesday 24 Sep 2019

Warning: GALE warnings for COOK and STEPHENS

Situation: A front crosses the North Island today, followed by a southwest flow. A second front moves north up the country on Wednesday. A third front skirts past the far south during Saturday. Winds tilt northwest over New Zealand on Saturday, ahead of a low developing in the Tasman Sea.

Forecast: Gale warning. Tuesday: Variable 5 knots. Northwest 15 knots developing late evening. Sea slight. Cloudy periods. Wednesday: Northwest 20 knots, rising to 25 knots gusting 35 knots early morning, and to 30 knots gusting 40 knots in the afternoon. Sea becoming rough from early morning. Fair visibility in a few showers after midday.

Outlook: Outlook until midnight Saturday: Thursday: Becoming northwest 25 knots early easing to 20 knots later. Cloudy periods and isolated showers. Friday: Northwest 15 knots. Cloudy periods and isolated showers. Saturday: Northwest rising to 20 knots. Cloudy periods and isolated showers.

Swell: Swell forecast to midnight Saturday: Northwest 1.5 metres, easing to 1 metre for a time today, rising to 2 metres Wednesday, easing to 1.5 metres for a time Thursday. Easing to 1.5 metres again Friday and to 1 metre Saturday. Southwest 1 metre developing Friday, easing to half a metre Saturday.

High tide at Mana / Porirua Harbour
6:31am Wed 25 Sep - Height: 1.3m
7:49pm Wed 25 Sep - Height: 1.4m

Low tide at Mana / Porirua Harbour
12:39am Wed 25 Sep - Height: 0.9m
12:57pm Wed 25 Sep - Height: 1.0m