
Is it warm enough to swim in Sealine Beach in October? Average water temperature in Sealine Beach in October is 31.2°C and therefore suitable for comfortable swimming. The warmest sea in Sealine Beach in October is 33.7°C, and the coldest is 28°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Sealine Beach
To get an accurate forecast for the water temperature in Sealine Beach for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Sealine Beach, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of October.
| Day | 2025 | 2024 | Min | Max |
|---|---|---|---|---|
| 1 October | 32.1°C | 33.3°C | 31°C | 33.6°C |
| 2 October | 31.6°C | 33.5°C | 31°C | 33.7°C |
| 3 October | 31.3°C | 33.2°C | 30.5°C | 33.7°C |
| 4 October | 31.4°C | 32.9°C | 29.7°C | 33.7°C |
| 5 October | 31.4°C | 32.5°C | 29.5°C | 33.6°C |
| 6 October | 31.7°C | 32.5°C | 29.6°C | 33.3°C |
| 7 October | 31.5°C | 32.3°C | 29.6°C | 33°C |
| 8 October | 31.6°C | 32.5°C | 30.2°C | 33°C |
| 9 October | 31.5°C | 32.4°C | 30°C | 32.8°C |
| 10 October | 31.5°C | 32.3°C | 30.1°C | 32.9°C |
| 11 October | 31.2°C | 32.4°C | 30°C | 32.7°C |
| 12 October | 30.5°C | 32.2°C | 29.7°C | 32.7°C |
| 13 October | 30.5°C | 32.3°C | 29.2°C | 32.7°C |
| 14 October | 30.9°C | 32°C | 29°C | 32.6°C |
| 15 October | 30.9°C | 32°C | 29.1°C | 32.6°C |
| Day | 2025 | 2024 | Min | Max |
|---|---|---|---|---|
| 16 October | 31.1°C | 31.7°C | 29.3°C | 32.5°C |
| 17 October | 30.6°C | 32.1°C | 29.1°C | 32.2°C |
| 18 October | 30.9°C | 32°C | 29.1°C | 32.3°C |
| 19 October | 30.5°C | 32.5°C | 29.3°C | 32.5°C |
| 20 October | 30.6°C | 32°C | 29.4°C | 32.3°C |
| 21 October | 30.5°C | 31.8°C | 29°C | 32.1°C |
| 22 October | 30.6°C | 31.5°C | 28.7°C | 32.1°C |
| 23 October | 30.6°C | 31.8°C | 28.4°C | 32°C |
| 24 October | 30.3°C | 31.6°C | 28.3°C | 31.8°C |
| 25 October | 30.2°C | 31.1°C | 28.1°C | 32°C |
| 26 October | 30.2°C | 30.7°C | 28.2°C | 31.9°C |
| 27 October | 30.1°C | 30.3°C | 28.3°C | 31.8°C |
| 28 October | 29.6°C | 29.8°C | 28.1°C | 31.8°C |
| 29 October | 29.4°C | 29.4°C | 28.1°C | 31.4°C |
| 30 October | 29.4°C | 29°C | 28°C | 31.5°C |
| 31 October | 29.3°C | 29°C | 28°C | 31.2°C |

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| 2016 | 2017 | 2018 | 2019 | 2020 |
| 30°C | 31.7°C | 31.9°C | 32.4°C | 31.2°C |
| 2021 | 2022 | 2023 | 2024 | 2025 |
| 31.1°C | 31.7°C | 32.3°C | 31.8°C | 30.7°C |
You can also view information about water temperature for other months by clicking on the month button below