Strand Wassenaarseslag sea temperature
Sea-surface temperature for Strand Wassenaarseslag, Netherlands, with the 7-day outlook and what to wear.
What is the sea temperature at Strand Wassenaarseslag today? (3 Sept)
The sea at Strand Wassenaarseslag is 20.7 °C today. Most people want a shorty, especially once the wind picks up. The sea is about 2 °C warmer than the air, so it will feel mild going in.
Strand Wassenaarseslag sea temperature — next 7 days
Sea temperature varies by under 1.1 °C across the week.
| Date | Sea temp | Range | Suggested wetsuit |
|---|---|---|---|
| Thu 3 Septtoday | 20.7 °C | 20.6–20.8 °C | 2 mm shorty or spring suit |
| Fri 4 Sept | 20.6 °C | 20.5–20.7 °C | 2 mm shorty or spring suit |
| Sat 5 Sept | 20.4 °C | 20.3–20.5 °C | 2 mm shorty or spring suit |
| Sun 6 Sept | 20.5 °C | 20.3–20.6 °C | 2 mm shorty or spring suit |
| Mon 7 Sept | 20.5 °C | 20.4–20.7 °C | 2 mm shorty or spring suit |
| Tue 8 Sept | 20.4 °C | 20.3–20.5 °C | 2 mm shorty or spring suit |
| Wed 9 Sept | 20.0 °C | 19.7–20.2 °C | 2 mm shorty or spring suit |
Figures are modelled sea-surface temperature, not readings from a buoy or a thermometer in the shallows — expect a degree either way, and more in a shallow bay on a hot afternoon. Wetsuit suggestions are general guidance: cold tolerance varies a lot between people, and wind, session length and air temperature matter as much as the water does.
What wetsuit for what sea temperature?
| Sea temperature | Wetsuit | Extras |
|---|---|---|
| 24 °C and above | Boardshorts or swimsuit | — |
| 22–24 °C | Rash vest or 1 mm top | — |
| 19–22 °CStrand Wassenaarseslag today | 2 mm shorty or spring suit | — |
| 17–19 °C | 3/2 mm full suit | — |
| 14–17 °C | 4/3 mm full suit | boots on longer sessions |
| 11–14 °C | 5/4 mm full suit | boots and gloves |
| 7–11 °C | 5/4/3 mm hooded full suit | boots and gloves |
| Below 7 °C | 6/5 mm hooded full suit | thick boots and gloves |
Conditions at Strand Wassenaarseslag
Water temperature is one input. For wave height, wind and a 0–100 score per sport and ability level, see the full forecast.
Frequently asked questions.
What is the sea temperature at Strand Wassenaarseslag today?
The sea at Strand Wassenaarseslag, Netherlands is 20.7 °C today. This is modelled sea-surface temperature rather than a buoy reading, so allow a degree either way.
What wetsuit do I need at Strand Wassenaarseslag?
At 20.7 °C, 2 mm shorty or spring suit is the usual choice at Strand Wassenaarseslag. Most people want a shorty, especially once the wind picks up. Cold tolerance varies, and wind and session length matter as much as the water temperature.
Is the sea warm enough to swim at Strand Wassenaarseslag?
At 20.7 °C the sea at Strand Wassenaarseslag is comfortable for swimming without neoprene for most people.
How much does the sea temperature at Strand Wassenaarseslag change over a week?
Over the next 7 days the sea at Strand Wassenaarseslag stays between 19.7 °C and 20.8 °C. Open water changes temperature slowly, so it rarely moves much inside a week — seasonal change is what matters.
