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Waikawa Beach – current water temperature and swimming conditions

This page shows the current water temperature at Waikawa Beach in Manawatū–Whanganui. 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.

Waikawa Beach
Waikawa Beach © Alister McKeown

Current Sea Water Temperature

17.5°C
Today
17.5°C
Yesterday
17.6°C
A Week Ago

The average sea water temperature today in Waikawa Beach is about 18°C.

Water Temperature in Waikawa 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

From February 27 to March 29

Water temperatures in Waikawa 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 Waikawa Beach will be 14.9°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
Mar 2218.0°C16.5°C
Mar 2317.8°C16.0°C
Mar 2417.6°C16.3°C
Mar 2517.6°C16.3°C
Mar 2617.6°C16.8°C
Mar 2717.6°C16.8°C
Mar 2817.6°C16.5°C
Mar 2917.5°C16.8°C
Mar 3017.5°C16.8°C17.5°C
Mar 3116.8°C17.1°C
Apr 116.0°C16.8°C
Apr 215.8°C16.4°C
Apr 316.5°C16.0°C
Apr 414.0°C15.7°C
Apr 513.8°C15.3°C
Apr 613.8°C14.9°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 Waikawa 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

30°C
25°C
20°C
15°C
10°c
5°C
0°C

Annual Water Temperature Trend

Waikawa Beach sits on the southern edge of the Manawatū–Whanganui region, facing west toward Cook Strait and the Tasman-influenced waters along this stretch of coast. Sea temperatures here follow the typical lower North Island pattern. In winter, from June to August, the water generally ranges between 10–13°C, which feels properly cold and is usually only comfortable for hardy swimmers or those wearing full wetsuits. Through spring, temperatures gradually lift to around 13–15°C. Summer, from December to March, brings the mildest conditions, with sea temperatures commonly sitting between 16–19°C during settled spells. Early autumn can still see 15–17°C before the water cools again heading into winter.

Monthly Water Temperature Range (Min, Max & Average)

Month Min Avg Max
January14°C17°C20°C
February15°C18°C21°C
March14°C17°C20°C
April14°C16°C19°C
May12°C15°C18°C
June11°C14°C16°C
July11°C13°C16°C
August10°C12°C16°C
September11°C13°C16°C
October10°C13°C16°C
November12°C14°C18°C
December13°C15°C20°C

* Click on a month to view detailed water temperature data.

Waikawa Beach: Weather Forecast

March 30

12°C / 17°C
broken clouds: 51-84%
humidity: 88% | wind: 14 kmh

March 31

9°C / 12°C
broken clouds: 51-84%
humidity: 67% | wind: 18 kmh

April 1

10°C / 14°C
clear sky
humidity: 69% | wind: 11 kmh

April 2

13°C / 16°C
clear sky
humidity: 75% | wind: 18 kmh

Local Water Conditions and Nearby Spots

Swimming Conditions

Swimming is allowed at Waikawa Beach and it’s a popular local holiday spot during the warmer months. The beach is sandy and open, and on calm summer days the water can be clear and refreshing. However, this is an exposed coastline, and swells, rip currents and shifting sandbars can develop depending on wind and tide. There are generally no permanent lifeguard patrols, so swimmers should assess conditions carefully before entering the sea. During summer, short swims are comfortable for many people, especially in light winds. Outside the warmer season, cooler water temperatures mean most swimmers prefer thermal gear. On a fine day, Waikawa Beach offers a relaxed and scenic west coast ocean swim experience.

🏄‍♀️ Nearby Surf Spots and Water Temperatures

Otaki Beach

⭐ 1/5
17.9°C

Waitarere

⭐ 1/5
17.4°C

Peka Peka

⭐ 2/5
17.4°C

Foxton Beach

⭐ 1/5
16.4°C

Himatangi Beach

⭐ 2/5
17.4°C

Paekakariki

⭐ 1/5
18.0°C

Pukerua Bay

⭐ 1/5
18.3°C
43 km away 📍 Beach and reef

The Pa

⭐ 2/5
17.5°C

The Pa Point

⭐ 2/5
16.5°C

Frequently Asked Questions

What is the sea water temperature in Waikawa Beach today?
Sea water temperature in Waikawa Beach in the Cook Strait today is 18°C.
What is the water temperature in Waikawa Beach during summer?
During summer, the water temperature in Waikawa Beach typically ranges from 13°C to 21°C.
What is the water temperature in Waikawa Beach during autumn?
During autumn, the water temperature in Waikawa Beach typically ranges from 12°C to 20°C.
What is the water temperature in Waikawa Beach during spring?
During spring, the water temperature in Waikawa Beach typically ranges from 10°C to 18°C.
What is the water temperature in Waikawa Beach during winter?
During winter, the water temperature in Waikawa Beach typically ranges from 10°C to 16°C.
Which beaches are popular in the Waikawa Beach area?
Some of the most popular beaches in the Waikawa Beach area include: .
What are the nearest surf spots to Waikawa Beach?
Some of the closest surf spots near Waikawa Beach include: Otaki Beach, Waitarere, Peka Peka, Foxton Beach, Himatangi Beach.