Poland
Pomeranian · Baltic Sea

Hel Beach Water Temperature & Swim Forecast

Polish Baltic sandy beach near Hel.

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Sea temperature now
Source: Open-Meteo Marine
Air temperature
Wave height
Wind
UV index

Location

Hel Beach 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

Check live temperature

Live water temperature is loading — refresh in a moment for a precise recommendation.

Surf & watersports
Once the live reading appears we'll calculate the ideal wetsuit thickness for this beach.

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

Hel Beach swimming conditions summary

Water temperature
Water feels
Swimmable today
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Swim conditions score
Wetsuit needed
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Air temperature
Waves
Wind
UV index
Warmest months to swim
July, August, September

Live water temperature is loading — refresh in a moment for a precise recommendation. Live marine data updated hourly from Open-Meteo Marine.

Frequently asked questions

Can I swim at Hel Beach right now?

Live data is loading. Use the 7-day forecast above to plan your swim — conditions above 22°C are comfortable for most swimmers.

What will the sea temperature be at Hel Beach next week?

Based on long-term August averages and the latest marine model, expect the sea around Hel Beach to sit close to 19.0°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 Hel Beach?

July – August – September are typically the warmest months to swim at Hel Beach, with sea temperatures at their seasonal peak.

Quick answer

Can I swim at Hel Beach today?

Live data is loading. In summer, this beach typically offers comfortable swimming conditions.

Key takeaways
  • • Located in Pomeranian, Poland (Baltic 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.

2°C19°C· Current month outlined· “Best” = within 2°C of the annual peak

Best time to swim in Hel Beach

The sea in Hel Beach 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 2°C, when cold-water swimmers dominate the coast.

Hel Beach sea temperature history

Long-term climatology for Hel Beach shows an annual mean sea temperature of 10°C, ranging from 2°C in winter to 19°C at the summer peak.

The seasonal swing is roughly 17°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 Hel Beach, 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
3°C
Feb
2°C
Mar
3°C
Apr
5°C
May
9°C
Jun
14°C
Jul
18°C
Aug
19°C
Sep
16°C
Oct
12°C
Nov
8°C
Dec
5°C

Hel Beach sea temperature: frequently asked questions

What is the warmest month to swim in Hel Beach?

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

When is the sea coldest in Hel Beach?

The coldest month in Hel Beach is typically February, when the water averages around 2°C. Cold-water swimmers and surfers dominate this period.

When can you swim in Hel Beach without a wetsuit?

The sea in Hel Beach 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 Hel Beach?

Outside peak summer the water in Hel Beach 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 Hel Beach?

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

How do I check the current sea temperature in Hel Beach?

The live reading at the top of this page shows the current sea temperature in Hel Beach, 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
Jan3°CCold
Feb2°CCold
Mar3°CCold
Apr5°CCold
May9°CCold
Jun14°CBracing
Jul18°CPleasant
Aug19°CPleasant
Sep16°CBracing
Oct12°CCold
Nov8°CCold
Dec5°CCold

Nearby beaches

The closest coastline, with live water temperatures.