Germany
North Sea · North Sea

St Peter-Ording Water Temperature & Swim Forecast

Twelve-km wide flat North-Sea kite beach.

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

Sea temperature now
16.6°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

St Peter-Ording 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

3/2mm fullsuit

At 16.6°C a 3/2mm fullsuit is the standard wetsuit for surfing and watersports.

Surf & watersports
Spring/autumn conditions in temperate seas. A 3/2mm full wetsuit (3mm torso, 2mm limbs) is the most versatile thickness — warm enough for 2-hour sessions, flexible enough for paddling. Open-water swimmers should wear a triathlon-cut swim wetsuit.
Open-water swimming
A triathlon-style swim wetsuit keeps you warm for 45–60 minutes.

Recommendation tuned for St Peter-Ording's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.

St Peter-Ording swimming conditions summary

Water temperature
16.6°C
Water feels
Refreshing
Swimmable today
Yes, but fresh — short swims or a wetsuit
Swim conditions score
60/100 · Fair
Wetsuit needed
3/2mm 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)
17.0 °C
Warmest months to swim
July, August, September

At 16.6°C a 3/2mm fullsuit is the standard wetsuit for surfing and watersports. 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 St Peter-Ording right now?

The sea at St Peter-Ording is currently 16.6°C — fresh 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 St Peter-Ording next week?

Based on long-term September averages and the latest marine model, expect the sea around St Peter-Ording to sit close to 14.1°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 St Peter-Ording?

July – August – September are typically the warmest months to swim at St Peter-Ording, with sea temperatures at their seasonal peak.

Do I need a wetsuit at St Peter-Ording?

With water currently at 16.6°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 St Peter-Ording today?

The sea is currently 16.6°C — fair swimming conditions. Acclimatised swimmers will be most comfortable.

Key takeaways
  • • Located in North Sea, Germany (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.

3°C → 19°C· Current month outlined· “Best” = within 2°C of the annual peak

Best time to swim in St Peter-Ording

The sea in St Peter-Ording peaks in August, when the water averages around 19°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 7°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.

The coldest month is typically February at around 3°C, when cold-water swimmers dominate the coast.

St Peter-Ording sea temperature history

Long-term climatology for St Peter-Ording shows an annual mean sea temperature of 10°C, ranging from 3°C in winter to 19°C at the summer peak.

The seasonal swing is roughly 16°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 St Peter-Ording, 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
4°C
Feb
3°C
Mar
4°C
Apr
6°C
May
10°C
Jun
14°C
Jul
18°C
Aug
19°C
Sep
17°C
Oct
13°C
Nov
9°C
Dec
6°C

St Peter-Ording sea temperature: frequently asked questions

What is the warmest month to swim in St Peter-Ording?

August is the warmest month in St Peter-Ording, when the sea averages about 19°C. Late-season warmth often persists a few weeks after peak.

When is the sea coldest in St Peter-Ording?

The coldest month in St Peter-Ording is typically February, when the water averages around 3°C. Cold-water swimmers and surfers dominate this period.

When can you swim in St Peter-Ording without a wetsuit?

The sea in St Peter-Ording 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 St Peter-Ording?

Outside peak summer the water in St Peter-Ording drops toward 7°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 St Peter-Ording?

The long-term annual mean sea temperature in St Peter-Ording is about 10°C, based on multi-decadal climatology of the surrounding waters.

How do I check the current sea temperature in St Peter-Ording?

The live reading at the top of this page shows the current sea temperature in St Peter-Ording, 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
Jan4°CCold
Feb3°CCold
Mar4°CCold
Apr6°CCold
May10°CCold
Jun14°CBracing
Jul18°CPleasant
Aug ⭐19°CPleasant
Sep17°CBracing
Oct13°CCold
Nov9°CCold
Dec6°CCold

Nearby beaches

The closest coastline, with live water temperatures.