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Ōmāpere – current water temperature and swimming conditions

This page shows the current water temperature at Ōmāpere in Northland 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.

Ōmāpere
Ōmāpere © By Sylvain Machefert, CC BY-SA 3.0

Current Sea Water Temperature

20.1°C
Today
20.1°C
Yesterday
19.8°C
A Week Ago

The average sea water temperature today in Ōmāpere is about 20°C.

Water Temperature in Ōmāpere: Daily Trends, Historical Records, and Forecast

✅ This water feels mild to warm and is comfortable for the majority of swimmers. Swimming is enjoyable, though longer stays may feel cooler for some people, especially in windy conditions. These temperatures are well suited to family outings and active swimming, particularly on warm days.

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

While water temperatures in Ōmāpere declined overall during the past month, they have shown a noticeable rebound over the last week.

According to our forecast, Sea water temperature in Ōmāpere will be 18.1°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 2219.5°C19.8°C
Mar 2319.7°C19.8°C
Mar 2419.8°C19.8°C
Mar 2519.8°C19.8°C
Mar 2619.8°C20.0°C
Mar 2719.8°C20.0°C
Mar 2819.8°C20.0°C
Mar 2920.1°C20.0°C
Mar 3020.1°C20.0°C20.1°C
Mar 3120.3°C19.8°C
Apr 120.5°C19.5°C
Apr 218.8°C19.3°C
Apr 319.3°C19.0°C
Apr 417.3°C18.7°C
Apr 517.3°C18.4°C
Apr 617.3°C18.1°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 Ōmāpere 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

Ōmāpere sits on the southern shore of the Hokianga Harbour, opening out toward the Tasman Sea but sheltered by the harbour entrance and surrounding headlands. Because of this semi-protected setting, water temperatures here are often slightly more moderate than on fully exposed west coast beaches. In summer, from January to March, the water usually ranges between 19 and 22°C, which feels pleasantly warm by New Zealand standards. Through autumn, temperatures tend to sit around 17 to 20°C. Winter sees a drop to roughly 14 to 16°C, while spring gradually warms from about 15 up to 18°C. On a calm, sunny day, especially in late summer, the harbour can feel surprisingly comfortable for a swim.

Monthly Water Temperature Range (Min, Max & Average)

Month Min Avg Max
January18°C20°C24°C
February19°C21°C23°C
March18°C20°C23°C
April18°C19°C22°C
May16°C18°C21°C
June15°C17°C19°C
July14°C16°C17°C
August13°C15°C17°C
September13°C15°C17°C
October14°C16°C18°C
November15°C17°C20°C
December16°C19°C22°C

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

Ōmāpere: Weather Forecast

March 30

17°C / 21°C
light rain
humidity: 86% | wind: 18 kmh

March 31

16°C / 19°C
broken clouds: 51-84%
humidity: 77% | wind: 18 kmh

April 1

13°C / 21°C
clear sky
humidity: 78% | wind: 11 kmh

April 2

12°C / 21°C
clear sky
humidity: 74% | wind: 7 kmh

Local Water Conditions and Nearby Spots

Nearby Beaches and Water Temperatures

Omapere Beach

⭐ 5.0/5
19.0°C

Martin's Beach

⭐ 3.1/5
19.5°C

Opononi Beach

⭐ 5.0/5
18.9°C

Waimamaku Beach

⭐ 3.9/5
19.0°C

Koutu Boulders

⭐ 3.1/5
21.0°C

Mitimiti Beach

⭐ 3.5/5
19.3°C

Aranga Beach

⭐ 3.5/5
19.8°C

Ahipara Beach

⭐ 5.0/5
19.8°C

Swimming Conditions

Swimming is allowed in Ōmāpere, and the harbour environment generally provides gentler conditions than the open coast. The sandy shoreline and shallower waters make it suitable for families and casual swimmers, particularly during settled weather and mid to high tide. However, currents near the harbour mouth can be strong, and wind-driven chop may develop quickly. It’s important to be mindful of tides and local conditions before heading in. When conditions are favourable, Ōmāpere offers a relaxed and scenic Northland swimming spot.

🏄‍♀️ Nearby Surf Spots and Water Temperatures

Shipwrecks Bay-Peaks

⭐ 4/5
20.2°C

Mukerau Beach

⭐ 3/5
19.5°C

Ninety Mile Beach

⭐ 2/5
20.6°C

Shipwreck Bay-Pines

⭐ 3/5
19.2°C
48 km away 📍 Beach and reef

Shipwreck Bay-Supertubes

⭐ 4/5
21.1°C

The Box

⭐ 3/5
19.4°C

Shipwreck Bay-Blue House

⭐ 3/5
19.7°C

Frequently Asked Questions

What is the sea water temperature in Ōmāpere today?
Sea water temperature in Ōmāpere in the Tasman Sea today is 20°C.
What is the water temperature in Ōmāpere during summer?
During summer, the water temperature in Ōmāpere typically ranges from 16°C to 24°C.
What is the water temperature in Ōmāpere during autumn?
During autumn, the water temperature in Ōmāpere typically ranges from 16°C to 23°C.
What is the water temperature in Ōmāpere during spring?
During spring, the water temperature in Ōmāpere typically ranges from 13°C to 20°C.
What is the water temperature in Ōmāpere during winter?
During winter, the water temperature in Ōmāpere typically ranges from 13°C to 19°C.
Which beaches are popular in the Ōmāpere area?
Some of the most popular beaches in the Ōmāpere area include: Omapere Beach, Martin's Beach, Opononi Beach, Waimamaku Beach, Koutu Boulders.
What are the nearest surf spots to Ōmāpere?
Some of the closest surf spots near Ōmāpere include: Shipwrecks Bay-Peaks, Mukerau Beach, Ninety Mile Beach, Shipwreck Bay-Pines, Shipwreck Bay-Supertubes.