Lewes water temp
This data the coastal Lewes 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.
Current ocean temperature in Lewes
Water temperature in Lewes today is 68.9°F. Based on our historical data over a period of ten years, the warmest water in this day in Lewes was recorded in 2018 and was 73.9°F, and the coldest was recorded in 2022 at 62.6°F. Sea water temperature in Lewes is expected to drop to 63.7°F in the next 10 days. October average water temperature in Lewes is 65.7°F, the minimum temperature is 56.5°F, and the maximum is 74.8°F.
The swimming season in Lewes lasts from June to October. During those months, Lewes water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Lewes in winter reaches 43°F, in spring 51.1°F, in summer the average temperature rises to 73.9°F, and in autumn it is 64.8°F.
Lewes water temperature now
| October 11, 2025 |
|---|
| today temp |
| 68.9°F |
| October 10, 2025 |
|---|
| yesterday temp |
| 69.4°F |
The ocean salinity in Lewes is 30.61‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Lewes 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 Lewes. 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 Lewes. Data in table shown for October 12, 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' 4" | 2' 4" | 2' 6" | 2' 5" |
| 0.71 m | 0.72 m | 0.75 m | 0.74 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 2' 8" | 2' 10" | 3' 1" | 3' 2" |
| 0.82 m | 0.87 m | 0.93 m | 0.97 m |
Surf report in Lewes
Lewes weather forecast
Current temperature and weather
Data in a table show Lewes temperature today (October 12, 2025). For more information and forecast for a few days, go to the weather forecast Lewes.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 |  | |  |
| 65.1°F | 66.6°F | 66.9°F | 68.4°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
 | | |  |
| 70.2°F | 70.3°F | 68.9°F | 68°F |
You may also be interested in other sections of our site for Lewes: Sunrise and Sunset, Tides
Lewes water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Lewes. 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 Lewes 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 | 41.7°F | 34°F | 50.7°F | cold |
| Ocean water temperature in Lewes in January | ||||
| February | 39.9°F | 32.5°F | 48.6°F | cold |
| Ocean water temperature in Lewes in February | ||||
| March | 43.3°F | 32.5°F | 52.9°F | cold |
| Ocean water temperature in Lewes in March | ||||
| April | 50.4°F | 41.4°F | 59.9°F | cold |
| Ocean water temperature in Lewes in April | ||||
| May | 59.5°F | 50.7°F | 71.4°F | cold |
| Ocean water temperature in Lewes in May | ||||
| June | 69.8°F | 61.2°F | 81.9°F | warm |
| Ocean water temperature in Lewes in June | ||||
| July | 76.1°F | 69.6°F | 86°F | warm |
| Ocean water temperature in Lewes in July | ||||
| August | 75.9°F | 70.3°F | 83.3°F | warm |
| Ocean water temperature in Lewes in August | ||||
| September | 72.9°F | 66.4°F | 81.1°F | warm |
| Ocean water temperature in Lewes in September | ||||
| October | 65.7°F | 56.5°F | 74.8°F | cold |
| Ocean water temperature in Lewes in October | ||||
| November | 55.9°F | 48°F | 64.2°F | cold |
| Ocean water temperature in Lewes in November | ||||
| December | 47.3°F | 38.8°F | 55.4°F | cold |
| Ocean water temperature in Lewes in December | ||||
Chart monthly average water temperature in Lewes
