Please be aware wind gusts can be 40 percent stronger than the averages given here, and maximum waves may be up to twice the height.
Part 1 warnings New Zealand Gale Warning 355 issued 261800utc: over waters east of 160e. Low 962hpa near 53s171e moving ENE at 15kt. In a belt 420 nautical miles wide centred on a line 55s160e 49s166e 51s178e: clockwise 40kt. Gale area moving east 15kt.
Part 2 situation at 1800 UTC refer to latest warnings.
Ridge  41s129e to high  1027 hpa near 41s137e to 38s149e 32s170e forecast 42s129e to high  1027 hpa near 41s138e to 35s155e 33s170e at 270600utc and from high  near 1027 hpa near 46s129e to high  1027 hpa near 41s138e to high  1024 hpa near 37s150e to 28s167e at 271800utc.
Ridge  from high  near 41s137e to 50s139e, forecast from high  near 41s138e to 50s147e at 270600utc and weakening by 271800utc.
Trough  31s153e 32s166e, forecast 28s156e 30s160e 32s170e at 270600utc and weakening by 271800utc.
Cold front to the west of area near 43s119e 50s126e, forecast 45s129e 50s139e at 270600utc and 44s137e 46s144e 50s149e at 271800utc.
Trough  38s160e 46s167e at 270600utc and 31s167e 44s170e at 271800utc.
Part 3 forecast refer to latest warnings.
Within 120nm of ridges, 240nm of high and north of trough: variable winds below 20 knots. Slight to moderate seas. Low to moderate swell.
Remainder north of ridge : se quarter winds 15/25 knots, turning E quarter west of 135e. Moderate to rough seas. Low to moderate swell.
Remainder south of ridge , outside warning area: W quarter winds 15/25 knots within 240nm of ridge  and remainder east of trough . W/NW winds 20/30 knots within 420nm east of cold front, shifting SW quarter remainder west of cold front and remainder east of trough . Wind speeds grading to 25/33 knots within 180nm of warning areas. Moderate to rough seas. Moderate to heavy swell.
Scattered showers and isolated thunderstorms within 180nm of cold front and 120nm of troughs. Isolated showers remainder away from ridges, becoming more scattered with isolated thunderstorms south of 40s east of 150e. Visibility reduced to below 2nm in precipitation.
The next routine forecast will be issued at 08:00 UTC Thursday.