Coromandel — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Coromandel (New Zealand). It includes the current water temperature, daily data for the last month presented in a simple chart, and a 7-day forecast. The page also compares today’s value with typical averages for this period, shows usual monthly ranges during the year, and lists nearby beaches with short descriptions. Local weather for the next few days and general details about Coromandel help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Coromandel in the Tasman Sea today is 14°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Water temperature in Coromandel today is lower than both a week ago and a month ago. Currently, the sea water temperature at this location matches the average for this day in previous years.
According to our forecast, Water temperature in Coromandel will be 14.0°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 |
|---|---|---|---|
| JUL 20 | 14.6°C | 14.8°C | |
| JUL 21 | 14.4°C | 15.0°C | |
| JUL 22 | 14.5°C | 14.8°C | |
| JUL 23 | 14.6°C | 14.8°C | |
| JUL 24 | 14.4°C | 15.0°C | |
| JUL 25 | 14.3°C | 15.3°C | |
| JUL 26 | 14.5°C | 14.3°C | |
| JUL 27 | 14.5°C | 14.0°C | |
| JUL 28 | 14.1°C | 14.0°C | 14.1°C |
| JUL 29 | 14.8°C | 14.1°C | |
| JUL 30 | 14.8°C | 14.1°C | |
| JUL 31 | 14.8°C | 14.1°C | |
| AUG 1 | 14.3°C | 14.1°C | |
| AUG 2 | 14.0°C | 14.1°C | |
| AUG 3 | 14.0°C | 14.0°C | |
| AUG 4 | 14.3°C | 14.0°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Water temperature data for this location is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Annual Water Temperature Overview by Month
Monthly Water Temp Ranges
Annual Water Temperature Trend
The Coromandel Peninsula, on New Zealand’s North Island, has a maritime climate that keeps coastal waters relatively mild compared with the south of the country. Sea temperatures follow a clear seasonal pattern: in summer (December to February) water typically ranges from about 19°C to 23°C, making it the warmest time for swimming. During autumn (March to May) temperatures usually cool to roughly 16°C to 20°C as the ocean loses summer heat. Winter months (June to August) bring the coldest conditions, with coastal waters commonly between about 11°C and 15°C. Spring (September to November) sees a gradual warming, with sea temperatures often sitting in the 13°C to 18°C window. Local variation is noticeable: shallow, sheltered bays and estuaries heat up faster and can be several degrees warmer than exposed open-coast areas.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 18°C | 21°C | 24°C |
| February | 19°C | 21°C | 24°C |
| March | 18°C | 21°C | 23°C |
| April | 17°C | 19°C | 22°C |
| May | 16°C | 18°C | 20°C |
| June | 14°C | 16°C | 18°C |
| July | 13°C | 15°C | 17°C |
| August | 13°C | 15°C | 16°C |
| September | 13°C | 14°C | 17°C |
| October | 13°C | 16°C | 17°C |
| November | 15°C | 17°C | 21°C |
| December | 16°C | 19°C | 22°C |
* Click on a month to view detailed water temperature data.
Coromandel: Weather Forecast
July 29
July 30
July 31
August 1
Location, Beaches & Local Information
Nearby Beaches & Facilities
Wyuna Bay
Ruffins Bay
Tucks Bay
Swimming Conditions
Swimming and beach holidays in the Coromandel are popular primarily from late spring through early autumn when conditions are most comfortable. Many sandy bays and sheltered coves offer calm water for families and casual swimmers, while rock pools and shallow flats warm up quickly on sunny days. Beaches can host activities such as snorkeling and paddle sports where water clarity and mild temperatures make them pleasant, though in winter wetsuits are common for longer swims. Tidal ranges, currents and surf vary around the peninsula, so swimmers should choose patrolled beaches when available and check local conditions. Overall, the region provides a good range of beach settings for warm-season swimming and holiday stays, with the best water temperatures concentrated in summer and early autumn.