Water temperature in Deception Island
This data the coastal Deception Island 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.
Current sea temperature in Deception Island
Water temperature in Deception Island today is -1.1°C. Based on our historical data over a period of ten years, the warmest water in this day in Deception Island was recorded in 2012 and was -0.4°C, and the coldest was recorded in 2014 at -1.8°C. Sea water temperature in Deception Island is expected to drop to -1.3°C in the next 10 days. September average water temperature in Deception Island is -1.5°C, the minimum temperature is -2°C, and the maximum is -0.2°C.
Throughout the year, the water temperature in Deception Island does not rise above 20°C and therefore is not suitable for comfortable swimming. The average water temperature in Deception Island in winter reaches 1°C, in spring 0.2°C, in summer the average temperature rises to -1.3°C, and in autumn it is -1.1°C.
Deception Island water temperature now
| 30 September 2025 |
|---|
| today temp |
| -1.1°C |
| 29 September 2025 |
|---|
| yesterday temp |
| -1°C |
Surf Forecast in Deception Island for today
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 Deception Island. 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 Deception Island. Data in table shown for 30 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 |
|---|---|---|---|
| 7' 0" | 6' 1" | 4' 10" | 4' 1" |
| 2.14 m | 1.85 m | 1.48 m | 1.25 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 3' 8" | 3' 7" | 3' 8" | 4' 0" |
| 1.13 m | 1.09 m | 1.13 m | 1.23 m |
Surf report in Deception Island
You may also be interested in other sections of our site for Deception Island: Sunrise and Sunset, Tides
Deception Island water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Deception Island. 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 Deception Island 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 | 1.2°C | -0.3°C | 2.8°C | cold |
| Sea water temperature in Deception Island in January | ||||
| February | 1.3°C | 0.3°C | 2.6°C | cold |
| Sea water temperature in Deception Island in February | ||||
| March | 0.9°C | -0.4°C | 2°C | cold |
| Sea water temperature in Deception Island in March | ||||
| April | 0.2°C | -0.9°C | 1.1°C | cold |
| Sea water temperature in Deception Island in April | ||||
| May | -0.4°C | -1.4°C | 0.7°C | cold |
| Sea water temperature in Deception Island in May | ||||
| June | -1°C | -2.3°C | 0.2°C | cold |
| Sea water temperature in Deception Island in June | ||||
| July | -1.3°C | -2.1°C | -0.2°C | cold |
| Sea water temperature in Deception Island in July | ||||
| August | -1.6°C | -2°C | -0.6°C | cold |
| Sea water temperature in Deception Island in August | ||||
| September | -1.5°C | -2°C | -0.2°C | cold |
| Sea water temperature in Deception Island in September | ||||
| October | -1.2°C | -1.9°C | 0.4°C | cold |
| Sea water temperature in Deception Island in October | ||||
| November | -0.6°C | -1.7°C | 1.1°C | cold |
| Sea water temperature in Deception Island in November | ||||
| December | 0.4°C | -1°C | 1.7°C | cold |
| Sea water temperature in Deception Island in December | ||||
Chart monthly average water temperature in Deception Island
