Tōtaranui Beach – current water temperature and swimming conditions
This page shows the current water temperature at Tōtaranui Beach in Tasman Region. 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 Tōtaranui Beach is about 16°C.
Water Temperature in Tōtaranui Beach: Daily Trends, Historical Records, and Forecast
⚠️ This is cool water that may feel brisk on entry. Swimming is usually limited to short sessions, and prolonged stays can become uncomfortable without thermal protection. Many swimmers choose a wetsuit, especially for surfing or open-water swimming.
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
Water temperatures in Tōtaranui Beach have been gradually cooling over the past month, with a further drop recorded during the last week.
According to our forecast, Sea water temperature in Tōtaranui Beach will be 14.4°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 |
|---|---|---|---|
| May 6 | 16.7°C | 15.0°C | |
| May 7 | 16.5°C | 14.5°C | |
| May 8 | 16.4°C | 14.8°C | |
| May 9 | 16.4°C | 14.5°C | |
| May 10 | 16.3°C | 14.5°C | |
| May 11 | 16.3°C | 15.0°C | |
| May 12 | 16.4°C | 14.5°C | |
| May 13 | 16.1°C | 14.8°C | |
| May 14 | 16.1°C | 14.8°C | 16.1°C |
| May 15 | 13.0°C | 15.9°C | |
| May 16 | 13.8°C | 15.6°C | |
| May 17 | 14.0°C | 15.4°C | |
| May 18 | 13.3°C | 15.1°C | |
| May 19 | 13.5°C | 14.9°C | |
| May 20 | 13.5°C | 14.6°C | |
| May 21 | 14.3°C | 14.4°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 Tōtaranui Beach 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
Tōtaranui Beach is a broad, golden sweep of sand at the northern end of Abel Tasman National Park in the Tasman Region, opening toward Tasman Bay and influenced by tidal flows connected to Cook Strait. Despite its more open position compared to smaller inlets, water temperatures here remain relatively mild for the South Island. In winter, from June to August, the sea typically ranges between 11–14°C, which feels cool and is generally comfortable only for short swims or with a wetsuit. Through spring, temperatures gradually rise to around 13–16°C. Summer, from December to March, brings the warmest conditions, with water temperatures commonly sitting between 18–22°C during settled, sunny spells. Early autumn can still see 17–19°C before cooling again as winter approaches.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 14°C | 16°C | 19°C |
| February | 14°C | 17°C | 19°C |
| March | 14°C | 16°C | 19°C |
| April | 12°C | 15°C | 17°C |
| May | 11°C | 14°C | 17°C |
| June | 10°C | 13°C | 16°C |
| July | 10°C | 12°C | 15°C |
| August | 9°C | 12°C | 14°C |
| September | 10°C | 12°C | 14°C |
| October | 10°C | 13°C | 15°C |
| November | 11°C | 14°C | 16°C |
| December | 13°C | 15°C | 18°C |
* Click on a month to view detailed water temperature data.
Tōtaranui Beach: Weather Forecast
May 15
May 16
May 17
Local Water Conditions and Nearby Spots
Swimming Conditions
Swimming is allowed at Tōtaranui and it’s a popular activity during the warmer months, especially with campers and walkers finishing sections of the coast track. The beach is wide and gently sloping, and while it can experience moderate swell due to its open aspect, conditions are often manageable in settled weather. Tidal movement is present, and wind can influence surface chop, so swimmers should assess conditions before entering the water. There are generally no regular lifeguard patrols. On fine summer days, the water can feel pleasant and suitable for families and confident swimmers. Outside the warmer season, thermal gear is recommended, as the sea remains cool for much of the year.
🏄♀️ Nearby Surf Spots and Water Temperatures
Tata Beach
Pohara Beach
Patons Rock
Onekaka
Para Para Rivermouth
Farewell Spit
Fletchers Beach
Ruby Bay
Wharariki Beach
Location, Type and Nearby Places
Address: Tasman Region 7183, New Zealand
Place Tags:Beach
Water Temperature in Nearby Places
