Hawke's Bay – Water Temperature Overview
Hawke's Bay features a coastline as well as numerous rivers and inland lakes. Water temperatures vary significantly by season and location, influencing swimming conditions across coastal and inland areas.
Current Sea Water Temperature
It’s important to note that these swimming tips and recommendations apply only in settled weather. When air temperatures drop below 20°C — and sometimes even below 25°C — swimming can feel uncomfortable, even when water temperatures are relatively high.
Sea Temperature Trends
Over the past month, the sea water temperature has remained largely unchanged. Overall, the sea water temperature is within the range expected based on historical data for this month.
Water Temperature and Swimming Conditions by Month
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 15°C | 18°C | 20°C |
| February | 16°C | 19°C | 21°C |
| March | 15°C | 18°C | 20°C |
| April | 14°C | 17°C | 19°C |
| May | 13°C | 16°C | 18°C |
| June | 11°C | 14°C | 16°C |
| July | 11°C | 14°C | 16°C |
| August | 11°C | 14°C | 16°C |
| September | 11°C | 14°C | 16°C |
| October | 11°C | 14°C | 16°C |
| November | 12°C | 15°C | 18°C |
| December | 14°C | 17°C | 20°C |
Most Viewed Sea Places in the Hawke's Bay
Current Water Temperature in Lakes and Rivers
About the Region & Location Map
Hawke’s Bay, on the eastern coast of the North Island, enjoys a relatively mild marine climate that supports a long swimming season. Over summer, from December to February, coastal water temperatures along the Pacific shore generally range between 18°C and 22°C, with late summer often the warmest. These conditions are usually comfortable for swimming, especially on calm days when the sea is settled. In winter, coastal waters tend to cool to around 13°C to 15°C, which feels brisk for most people, though swimming is still allowed year-round. Open beaches can experience waves and occasional rip currents, so it’s safest to swim at patrolled areas and follow local guidance.
Further inland, Hawke’s Bay rivers and lakes warm up quickly in fine weather. During summer, freshwater temperatures often sit between 17°C and 21°C, making popular swimming spots appealing on hot afternoons. In winter, inland waters can drop to between 8°C and 13°C, particularly in faster-flowing rivers fed by hill country. Swimming is generally permitted in these waterways, provided water quality is suitable and there are no health warnings after heavy rain, as runoff can affect clarity and bacteria levels. Overall, Hawke’s Bay offers favourable swimming conditions through much of summer, with a mix of coastal and freshwater options to suit different preferences.