Can I swim at Boulders Beach right now?

The sea at Boulders Beach is currently 13.9°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 Boulders Beach next week?

Based on long-term June averages and the latest marine model, expect the sea around Boulders Beach to sit close to 20.3°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 Boulders Beach?

January – February – March are typically the warmest months to swim at Boulders Beach, with sea temperatures at their seasonal peak.

Do I need a wetsuit at Boulders Beach?

With water currently at 13.9°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.

South Africa

Western Cape · Indian Ocean

Boulders Beach

Popular beach in Simon's Town, South Africa.

Cool water with a big swell and a strong wind — tough conditions for unprotected swimming.

View on map OpenStreetMap Directions

Sea temperature now

13.9°Ccool

Poor

Updated just now · Source: Open-Meteo Marine

Air temperature

14.3°C

Wave height

3.3 m

Wind

45.5 km/h

UV index

0.1 UV index

Location

Boulders 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

4/3mm fullsuit

At 13.9°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 Boulders Beach's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.

Quick answer

Can I swim at Boulders Beach today?

The sea is currently 13.9°C — poor swimming conditions. Acclimatised swimmers will be most comfortable.

Key takeaways

• Located in Western Cape, South Africa (Indian Ocean).
• 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.

Jan24°CBest Feb25°CBest Mar24°CBest Apr23°CBest May22°CBest Jun21°C Jul20°C Aug20°C Sep21°C Oct22°CBest Nov23°CBest Dec24°CBest

20°C → 25°C· Current month outlined· “Best” = within 2°C of the annual peak

Year-round sea temperature

Best swim months: Jan – Feb – Mar – Apr – May – Jun – Jul – Aug – Sep – Oct – Nov – Dec

Month	Sea	Comfort
Jan	24°C	Warm
Feb ⭐	25°C	Warm
Mar	24°C	Warm
Apr	23°C	Warm
May	22°C	Warm
Jun	21°C	Pleasant
Jul	20°C	Pleasant
Aug	20°C	Pleasant
Sep	21°C	Pleasant
Oct	22°C	Warm
Nov	23°C	Warm
Dec	24°C	Warm

Can you swim here? — Boulders Beach