This data the coastal North Shore ocean water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.
Water temperature in North Shore today is 19°C. Based on our historical data over a period of ten years, the warmest water in this day in North Shore was recorded in 2013 and was 20.5°C, and the coldest was recorded in 2021 at 18°C. Sea water temperature in North Shore is expected to rise to 19.5°C in the next 10 days. September average water temperature in North Shore is 19.6°C, the minimum temperature is 16.6°C, and the maximum is 22.1°C.
The swimming season in North Shore lasts from January to December, twelve months per year! During those months, North Shore water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in North Shore in winter reaches 19.9°C, in spring 20.4°C, in summer the average temperature rises to 24.1°C, and in autumn it is 23.8°C.
5 September 2025 |
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today temp |
19°C |
4 September 2025 |
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yesterday temp |
19.4°C |
The ocean salinity in North Shore is 35.54‰, and the average salinity of the World Ocean is 35‰.
Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for North Shore. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast North Shore. Data in table shown for 5 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
2' 6" | 2' 11" | 3' 5" | 4' 0" |
0.76 m | 0.9 m | 1.05 m | 1.22 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
4' 4" | 4' 7" | 4' 8" | 4' 4" |
1.33 m | 1.39 m | 1.42 m | 1.33 m |
Data in a table show North Shore temperature today (5 September 2025). For more information and forecast for a few days, go to the weather forecast North Shore.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
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![]() | ![]() | ![]() | ![]() |
12.8°C | 12.1°C | 12.5°C | 17.1°C |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
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19.8°C | 19°C | 16.2°C | 15.2°C |
You may also be interested in other sections of our site for North Shore: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in North Shore. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in North Shore on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve
Month | Avr | Min | Max | |
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January | 24.3°C | 21.5°C | 26.4°C | warm |
Ocean water temperature in North Shore in January | ||||
February | 25.1°C | 20.3°C | 26.6°C | hot |
Ocean water temperature in North Shore in February | ||||
March | 24.9°C | 22.2°C | 26.5°C | warm |
Ocean water temperature in North Shore in March | ||||
April | 24°C | 21.9°C | 25.8°C | warm |
Ocean water temperature in North Shore in April | ||||
May | 22.5°C | 20.1°C | 25°C | warm |
Ocean water temperature in North Shore in May | ||||
June | 20.9°C | 18.2°C | 22.7°C | warm |
Ocean water temperature in North Shore in June | ||||
July | 19.6°C | 17.7°C | 21.7°C | cold |
Ocean water temperature in North Shore in July | ||||
August | 19.3°C | 17.1°C | 21.4°C | cold |
Ocean water temperature in North Shore in August | ||||
September | 19.6°C | 16.6°C | 22.1°C | cold |
Ocean water temperature in North Shore in September | ||||
October | 20.3°C | 16.2°C | 22.2°C | warm |
Ocean water temperature in North Shore in October | ||||
November | 21.4°C | 17.6°C | 24.6°C | warm |
Ocean water temperature in North Shore in November | ||||
December | 22.9°C | 18.6°C | 25.6°C | warm |
Ocean water temperature in North Shore in December |