United Kingdom
Essex · North Sea

Walton-on-the-Naze Water Temperature & Swim Forecast

Essex family beach.

Cool water with a light chop and a light breeze — fresh conditions — a wetsuit is recommended.

Sea temperature now
15.7°Cmild
Fair
Source: Open-Meteo Marine

Model estimate · modelled, not a buoy measurement. How accurate is this?

Air temperature
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Wave height
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Wind
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UV index
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Location

Walton-on-the-Naze on the map, with nearby beaches and live sea temperatures.

7-day forecast

Water, air, waves, wind and UV outlook for the week ahead.

Wetsuit recommendation

4/3mm fullsuit

At 15.7°C you need a 4/3mm fullsuit, and many surfers add neoprene boots.

  • + Optional 3mm boots
Surf & watersports
Cool water — the classic UK/Atlantic spring or Pacific Northwest summer range. A 4/3mm sealed-seam suit keeps you in the water for 90+ minutes. Boots prevent foot pain on rocky entries and extend session length.
Open-water swimming
Acclimatised swimmers manage 30 minutes; a thicker swim wetsuit (3/2) helps.

Recommendation tuned for Walton-on-the-Naze's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.

Walton-on-the-Naze swimming conditions summary

Water temperature
15.7°C
Water feels
Refreshing
Swimmable today
Only with thermal protection
Swim conditions score
56/100 · Fair
Wetsuit needed
4/3mm fullsuit
Air temperature
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Waves
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Wind
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UV index
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Average sea temperature (September)
16.0 °C
Warmest months to swim
July, August, September

At 15.7°C you need a 4/3mm fullsuit, and many surfers add neoprene boots. Model estimate. Water, wave, wind and UV values are Open-Meteo marine/weather model estimates, refreshed hourly — not buoy measurements.

Frequently asked questions

Can I swim at Walton-on-the-Naze right now?

The sea at Walton-on-the-Naze is currently 15.7°C — cold swimming conditions. Most swimmers will find the water comfortable when it's above 22°C; below 18°C feels fresh and a wetsuit is recommended.

What will the sea temperature be at Walton-on-the-Naze next week?

Based on long-term September averages and the latest marine model, expect the sea around Walton-on-the-Naze to sit close to 14.6°C over the next 7 days. Check the live 7-day chart above for the exact daily outlook.

When is the best month to swim at Walton-on-the-Naze?

July – August – September are typically the warmest months to swim at Walton-on-the-Naze, with sea temperatures at their seasonal peak.

Do I need a wetsuit at Walton-on-the-Naze?

With water currently at 15.7°C: above 22°C no wetsuit needed; 18–22°C a shorty is comfortable for long swims; 14–18°C a 3/2mm full suit; below 14°C a 4/3mm or thicker.

Quick answer

Can I swim at Walton-on-the-Naze today?

The sea is currently 15.7°C — fair swimming conditions. Acclimatised swimmers will be most comfortable.

Key takeaways
  • • Located in Essex, United Kingdom (North Sea).
  • • Family friendly with calm, accessible water.
  • • Live data refreshed hourly from Open-Meteo Marine.

Monthly sea temperature averages

Tap any month to see what to expect — based on regional climatology.

8°C → 17°C· Current month outlined· “Best” = within 2°C of the annual peak

Best time to swim in Walton-on-the-Naze

The sea in Walton-on-the-Naze peaks in August, when the water averages around 17°C.

On average, 0 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.

Outside peak season the water drops toward 9°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.

The coldest month is typically February at around 8°C, when cold-water swimmers dominate the coast.

Walton-on-the-Naze sea temperature history

Long-term climatology for Walton-on-the-Naze shows an annual mean sea temperature of 12°C, ranging from 8°C in winter to 17°C at the summer peak.

The seasonal swing is roughly 9°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.

Recent decades have trended slightly warmer at Walton-on-the-Naze, in line with regional sea-surface temperature records for the wider basin.

Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.

Jan
9°C
Feb
8°C
Mar
8°C
Apr
9°C
May
11°C
Jun
14°C
Jul
16°C
Aug
17°C
Sep
16°C
Oct
14°C
Nov
12°C
Dec
10°C

Walton-on-the-Naze sea temperature: frequently asked questions

What is the warmest month to swim in Walton-on-the-Naze?

August is the warmest month in Walton-on-the-Naze, when the sea averages about 17°C. Late-season warmth often persists a few weeks after peak.

When is the sea coldest in Walton-on-the-Naze?

The coldest month in Walton-on-the-Naze is typically February, when the water averages around 8°C. Cold-water swimmers and surfers dominate this period.

When can you swim in Walton-on-the-Naze without a wetsuit?

The sea in Walton-on-the-Naze rarely climbs above 20°C, so a wetsuit is recommended year-round for anything longer than a quick dip.

Do I need a wetsuit in Walton-on-the-Naze?

Outside peak summer the water in Walton-on-the-Naze drops toward 9°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable. In peak months most swimmers go without.

What is the average sea temperature in Walton-on-the-Naze?

The long-term annual mean sea temperature in Walton-on-the-Naze is about 12°C, based on multi-decadal climatology of the surrounding waters.

How do I check the current sea temperature in Walton-on-the-Naze?

The live reading at the top of this page shows the current sea temperature in Walton-on-the-Naze, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.

Year-round sea temperature

MonthSeaComfort
Jan9°CCold
Feb8°CCold
Mar8°CCold
Apr9°CCold
May11°CCold
Jun14°CBracing
Jul16°CBracing
Aug ⭐17°CBracing
Sep16°CBracing
Oct14°CBracing
Nov12°CCold
Dec10°CCold

Nearby beaches

The closest coastline, with live water temperatures.