Valid to Midnight Friday 20 Apr 2018
Issued at 10:37pm Thursday 19 Apr 2018

Warning: NIL warning for CONWAY

Situation: A disturbed west to southwest flow persists over the South Island.

Forecast: Friday: Northwest 10 knots, rising to 15 knots this morning, and to 20 knots gusting 30 knots for a time in the afternoon and evening. Sea becoming moderate for a time afternoon and evening. Fine, with high cloud.

Outlook: Outlook until midnight Monday: Saturday: Northwest 15 knots changing southwest 15 knots later. Showers with southwest change. Sunday: Southwest 15 knots, dying out later. Showers clearing, becoming fine. Monday: Easterly 15 knots developing. Fine.

Swell: Swell forecast to midnight Monday: Northeast half a metre or less. Southeast half a metre, dying out today, and returning Sunday.

High tide at Lyttelton
7:51am Fri 20 Apr - Height: 2.3m
8:16pm Fri 20 Apr - Height: 2.5m

Low tide at Lyttelton
2:00pm Fri 20 Apr - Height: 0.4m
2:32am Sat 21 Apr - Height: 0.4m