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Secondary port · referenced to Lyttelton

Owenga tide times

Owenga has no predictions of its own. These times are Lyttelton's, shifted by the difference LINZ publishes for Owenga (+22m at high water, +21m at low water), with heights scaled by the published ratio of 0.57.

Predictions — not for navigation

These are LINZ's astronomical predictions. Actual water levels differ with barometric pressure, wind and storm surge — commonly by 0.3 m, and by a metre or more in a severe low. Do not use this site for navigation or for any decision where being wrong is dangerous. For navigation use the official LINZ tide tables and current charts. Heights are metres above chart datum, not above sea level, and times are New Zealand local time including daylight saving.

How exact is this? The figures above are LINZ's mean differences. The real difference varies through the month, between +0007 to +0052 at high water and +0009 to +0031 at low water. Treat a derived time as ±20 minutes, and read how secondary ports work.

Friday 7 August 2026

Low 05:07 0.3m
High 11:23 1.3m
Low 17:42 0.4m
High 23:50 1.3m

Saturday 8 August 2026

Low 06:03 0.3m
High 12:21 1.4m
Low 18:43 0.3m

Sunday 9 August 2026

High 00:48 1.3m
Low 07:01 0.3m
High 13:22 1.4m
Low 19:42 0.3m

Monday 10 August 2026

High 01:48 1.3m
Low 07:59 0.2m
High 14:23 1.4m
Low 20:40 0.3m

Tuesday 11 August 2026

High 02:48 1.3m
Low 08:57 0.2m
High 15:21 1.5m
Low 21:36 0.2m

Wednesday 12 August 2026

High 03:45 1.4m
Low 09:56 0.2m
High 16:16 1.5m
Low 22:32 0.2m

Thursday 13 August 2026

High 04:40 1.4m
Low 10:53 0.2m
High 17:08 1.5m
Low 23:25 0.2m

Source · LINZ tide predictions · Derived from Lyttelton using LINZ secondary-port differences · Reviewed Aug 2026 · Method

Tidal levels at Owenga

LevelHeight above chart datum
Mean high water springs (MHWS)1.30 m
Mean high water neaps (MHWN)1.00 m
Mean sea level (MSL)0.60 m
Mean low water neaps (MLWN)0.30 m

Source · LINZ tide predictions · LINZ secondary ports table 2026–27 · Reviewed Aug 2026 · Method

← Lyttelton, the reference port

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