This data the coastal Booker Bay sea 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 Booker Bay today is 17.5°C. Based on our historical data over a period of ten years, the warmest water in this day in the Tasman Sea near Booker Bay was recorded in 2013 and was 18.3°C, and the coldest 16.2°C. Sea water temperature in Booker Bay is expected to rise to 17.6°C in the next 10 days. September average water temperature in Booker Bay is 17.7°C, the minimum temperature is 16°C, and the maximum is 19.6°C.
The swimming season in Booker Bay lasts from November to May. During those months, Booker Bay water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Booker Bay in winter reaches 18.1°C, in spring 18.9°C, in summer the average temperature rises to 22.5°C, and in autumn it is 22°C.
5 September 2025 |
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today temp |
17.5°C |
4 September 2025 |
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yesterday temp |
17.1°C |
The sea salinity in Booker Bay is 35.15‰, 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 Booker Bay. 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 Booker Bay. 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 |
---|---|---|---|
4' 11" | 5' 3" | 5' 0" | 4' 8" |
1.5 m | 1.61 m | 1.53 m | 1.41 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
4' 3" | 4' 0" | 3' 11" | 4' 0" |
1.29 m | 1.21 m | 1.2 m | 1.21 m |
Data in a table show Booker Bay temperature today (5 September 2025). For more information and forecast for a few days, go to the weather forecast Booker Bay.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
12.1°C | 11°C | 10.1°C | 15.9°C |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
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17.6°C | 16.2°C | 13.3°C | 13.9°C |
You may also be interested in other sections of our site for Booker Bay: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in Booker Bay. 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 Booker Bay 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 | |
---|---|---|---|---|
January | 22.9°C | 20.9°C | 25.4°C | warm |
Sea water temperature in Booker Bay in January | ||||
February | 23.3°C | 21.1°C | 25.7°C | warm |
Sea water temperature in Booker Bay in February | ||||
March | 23°C | 21.2°C | 25°C | warm |
Sea water temperature in Booker Bay in March | ||||
April | 22.1°C | 19.8°C | 24.3°C | warm |
Sea water temperature in Booker Bay in April | ||||
May | 20.8°C | 18.3°C | 23°C | warm |
Sea water temperature in Booker Bay in May | ||||
June | 19.1°C | 17°C | 21.1°C | cold |
Sea water temperature in Booker Bay in June | ||||
July | 17.8°C | 15.9°C | 19.9°C | cold |
Sea water temperature in Booker Bay in July | ||||
August | 17.3°C | 15.4°C | 19.3°C | cold |
Sea water temperature in Booker Bay in August | ||||
September | 17.7°C | 16°C | 19.6°C | cold |
Sea water temperature in Booker Bay in September | ||||
October | 18.9°C | 17.3°C | 21.1°C | cold |
Sea water temperature in Booker Bay in October | ||||
November | 20.1°C | 18.2°C | 22°C | warm |
Sea water temperature in Booker Bay in November | ||||
December | 21.4°C | 19.4°C | 24.4°C | warm |
Sea water temperature in Booker Bay in December |