Borestranden — Sea temperature now
Wide sandy horse-riding beach.
Fresh water with a light chop and a light breeze — fresh conditions — a wetsuit is recommended.
Location
Borestranden on the map, with nearby beaches and live sea temperatures.
7-day forecast
Water, air, waves, wind and UV outlook for the week ahead.
Monthly sea temperature averages
Typical year-round water temperature, based on regional climatology.
Best time to swim in Borestranden
The sea in Borestranden 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 6°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.
Borestranden sea temperature history
Long-term climatology for Borestranden shows an annual mean sea temperature of 9°C, ranging from 3°C in winter to 17°C at the summer peak.
The seasonal swing is roughly 14°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 Borestranden, 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.
Borestranden sea temperature: frequently asked questions
What is the warmest month to swim in Borestranden?
August is the warmest month in Borestranden, when the sea averages about 17°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in Borestranden?
The coldest month in Borestranden is typically February, when the water averages around 3°C. Cold-water swimmers and surfers dominate this period.
When can you swim in Borestranden without a wetsuit?
The sea in Borestranden 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 Borestranden?
Outside peak summer the water in Borestranden drops toward 6°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 Borestranden?
The long-term annual mean sea temperature in Borestranden is about 9°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in Borestranden?
The live reading at the top of this page shows the current sea temperature in Borestranden, 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
| Month | Sea | Comfort |
|---|---|---|
| Jan | 4°C | Cold |
| Feb | 3°C | Cold |
| Mar | 3°C | Cold |
| Apr | 5°C | Cold |
| May | 9°C | Cold |
| Jun | 13°C | Cold |
| Jul | 16°C | Bracing |
| Aug ⭐ | 17°C | Bracing |
| Sep | 15°C | Bracing |
| Oct | 11°C | Cold |
| Nov | 7°C | Cold |
| Dec | 5°C | Cold |