Napier – current water temperature and swimming conditions
This page shows the current water temperature at Napier in Hawke's Bay. You can view recent sea temperature trends on a 30-day chart, check typical monthly water temperature ranges, and compare today’s reading with historical averages for this date. The page also includes a 7-day water temperature forecast, nearby beaches with similar conditions, local weather information, and a summary of swimming conditions to help you assess how suitable the water is for swimming.
Current Sea Water Temperature
The average sea water temperature today in Napier is about 12°C.
Water Temperature in Napier: Daily Trends, Historical Records, and Forecast
❌ This is very cold water, causing an immediate cold shock response for most people. Swimming is not recommended without a wetsuit, and even with protection, time in the water should be limited. These temperatures are typically suited only to trained or well-prepared swimmers.
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.
Water Temperature Over the Last 30 Days
While water temperatures in Napier declined overall during the past month, they have shown a noticeable rebound over the last week.
According to our forecast, Sea water temperature in Napier will be 13.4°C in the next 7 days. See the table below for daily data for the upcoming week.
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| Aug 19 | 11.8°C | 13.5°C | |
| Aug 20 | 11.6°C | 13.5°C | |
| Aug 21 | 11.7°C | 13.5°C | |
| Aug 22 | 11.7°C | 13.5°C | |
| Aug 23 | 11.5°C | 13.8°C | |
| Aug 24 | 11.5°C | 13.3°C | |
| Aug 25 | 11.8°C | 13.5°C | |
| Aug 26 | 11.7°C | 13.3°C | |
| Aug 27 | 11.8°C | 13.3°C | 11.8°C |
| Aug 28 | 13.5°C | 12.0°C | |
| Aug 29 | 13.8°C | 12.3°C | |
| Aug 30 | 13.8°C | 12.5°C | |
| Aug 31 | 13.5°C | 12.7°C | |
| Sep 1 | 14.0°C | 13.0°C | |
| Sep 2 | 14.0°C | 13.2°C | |
| Sep 3 | 14.3°C | 13.4°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual near-shore water temperatures in Napier can vary by several degrees from the values shown, particularly after heavy rain, strong southerlies, or prolonged windy conditions. Certain wind patterns can trigger upwelling, where cooler, deeper water is pushed to the surface and replaces the warmer top layer, leading to noticeable short-term changes in water temperature.
Our water temperature forecast is produced using a proprietary mathematical model that combines real-time measurements with long-term historical patterns, local weather conditions, wind strength and direction, and air temperature specific to each coastal region. To improve accuracy, we cross-check data from nearby locations and use multiple sources, including offshore buoys, satellite-based sea surface maps, and observations provided by local authorities.
Annual Water Temperature Overview by Month
Monthly Water Temp Ranges
Annual Water Temperature Trend
Napier sits right on the edge of Hawke’s Bay, facing the open Pacific Ocean, and its beaches are a popular spot for locals and visitors during the warmer months. Sea temperatures here follow a clear seasonal cycle. In winter, from June to August, the water usually ranges between 13–15°C, which feels distinctly cold and is generally suited to surfers or swimmers wearing wetsuits. Through spring it gradually lifts to around 15–17°C. Summer, from December to March, is the most comfortable period, with water temperatures commonly sitting between 19–22°C, especially after stretches of settled, sunny weather. Early autumn often holds at 18–20°C before the cooler southerlies return.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 17°C | 19°C | 22°C |
| February | 17°C | 20°C | 23°C |
| March | 18°C | 20°C | 21°C |
| April | 17°C | 19°C | 21°C |
| May | 15°C | 17°C | 19°C |
| June | 14°C | 16°C | 17°C |
| July | 12°C | 15°C | 16°C |
| August | 12°C | 14°C | 16°C |
| September | 12°C | 14°C | 17°C |
| October | 12°C | 15°C | 18°C |
| November | 14°C | 16°C | 19°C |
| December | 15°C | 18°C | 21°C |
* Click on a month to view detailed water temperature data.
Napier: Weather Forecast
August 28
August 29
August 30
August 31
Local Water Conditions and Nearby Spots
Swimming Conditions
Swimming is allowed along Napier’s main beaches, including Marine Parade and Westshore, and conditions can be pleasant on calm days. However, this is an exposed coastline, and swells and rip currents can develop depending on wind and weather patterns. During peak summer, some areas may be patrolled, making it safer for families and casual swimmers. The shingle beaches mean the water can deepen fairly quickly, so care is needed when entering. Outside summer, cooler temperatures and rougher seas make swimming more suitable for confident locals or those in thermal gear. When the bay is calm, though, Napier offers clear water and a refreshing east coast ocean swim.
🏄♀️ Nearby Surf Spots and Water Temperatures
Napier - The Reef
Napier - Hardings Road
Napier - Marine Parade
Awatoto Rivermouth
West Shore Beach
Napier - The Gap
Tutaekuri River Mouth
Haumoana River Mouth
Tangoio Flat Rock
Location, Type and Nearby Places
Address: Napier City Council
Place Tags:CityBeachSurf SpotCoastal TownEstuary
Water Temperature in Nearby Places
