Is today a good day for sea swimming in Brighton?
Today is not the day.
Not safe for sea swimming today. Force 3, but gusting Force 6 — it is the spread that catches you out, not the average. Out of season for it, whatever the weather does.
Not today14/100
7-day outlook for sea swimming in Brighton
Best day looks like Today at 14/100.
Why this score?
Data from Open-Meteo, and Open-Meteo Marine for waves and sea temperature. Last updated 21:34 UTC.
Sea swimming in Brighton, month by month
The sea is warmest in August at 19°C and coldest in February at 8°C. Offshore waves are biggest in November (the day's highest averages 1.7 m) and smallest in May (0.7 m). Daytime highs peak at 21°C in August and fall to 8°C in January. October is the wettest month, with about 18 days of 1 mm or more; April is the driest, with about 10.
Our seasonal guide puts sea swimming in season from May to October.
| Month | Sea temperature (°C) | Offshore wave height (m) | Daytime high (°C) | Rainy days (days) |
|---|---|---|---|---|
| January | 9 | 1.5 | 8 | 13 |
| February | 8 | 1.5 | 10 | 13 |
| March | 9 | 1.3 | 10 | 15 |
| April | 11 | 1.1 | 13 | 10 |
| May (in season) | 13 | 0.7 | 16 | 12 |
| June (in season) | 16 | 0.8 | 19 | 11 |
| July (in season) | 18 | 1.0 | 20 | 14 |
| August (in season) | 19 | 0.9 | 21 | 13 |
| September (in season) | 19 | 1.0 | 19 | 11 |
| October (in season) | 16 | 1.4 | 16 | 18 |
| November | 13 | 1.7 | 12 | 12 |
| December | 10 | 1.7 | 9 | 16 |
In season, by our seasonal guide
Averages of daily weather 2020 to 2024 and of waves and sea temperature 2022 to 2024, from ERA5 reanalysis data (about 25 km resolution; waves are measured offshore, not in the surf at the beach). Not a forecast.
About sea swimming in Brighton
South-facing pebble beach, Channel swell, a year-round wild swimming community, and a train line from London.
Go Daisy scores 46 activities for Brighton, including running, cycling, urban exploring, photography, outdoor yoga. The score for sea swimming updates hourly from the same weather data professional services use.
Also today in Brighton
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Score for sea swimming in Brighton updated hourly. Free, ad-free. Built by independent makers in the UK and Asturias, Spain.
Weather data from Open-Meteo.