Can I swim at Cornwall Beach right now?

The sea at Cornwall Beach is currently 28.6°C — excellent 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 Cornwall Beach next week?

Based on long-term June averages and the latest marine model, expect the sea around Cornwall Beach to sit close to 24.1°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 Cornwall Beach?

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

Do I need a wetsuit at Cornwall Beach?

With water currently at 28.6°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.

Jamaica

Saint James · Caribbean Sea

Cornwall Beach

Coastal beach in Montego Bay.

Very warm water with a light chop and a moderate breeze — great swimming conditions.

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Sea temperature now

28.6°Ctropical

Good

Updated just now · Source: Open-Meteo Marine

Air temperature

26.3°C

Wave height

0.8 m

Wind

17.6 km/h

UV index

0.0 UV index

Location

Cornwall 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

No wetsuit

At 28.6°C the water is warm enough to swim and surf in just a swimsuit or boardshorts.

Surf & watersports

Tropical-feel conditions. Most swimmers stay comfortable for an hour or more without thermal protection. UV exposure is the bigger risk — sunscreen and a rash vest are worth packing.

Open-water swimming

Open-water swims of 60+ minutes feel comfortable with no neoprene.

Recommendation tuned for Cornwall 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 Cornwall Beach today?

The sea is currently 28.6°C — good swimming conditions. Most swimmers will find it pleasant.

Key takeaways

• Located in Saint James, Jamaica (Caribbean 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.

Jan15°C Feb14°C Mar15°C Apr16°C May18°C Jun22°CBest Jul25°CBest Aug26°CBest Sep24°CBest Oct21°C Nov18°C Dec16°C

14°C → 26°C· Current month outlined· “Best” = within 2°C of the annual peak

Year-round sea temperature

Best swim months: Jun – Jul – Aug – Sep – Oct

Month	Sea	Comfort
Jan	15°C	Bracing
Feb	14°C	Bracing
Mar	15°C	Bracing
Apr	16°C	Bracing
May	18°C	Pleasant
Jun	22°C	Warm
Jul	25°C	Warm
Aug ⭐	26°C	Hot
Sep	24°C	Warm
Oct	21°C	Pleasant
Nov	18°C	Pleasant
Dec	16°C	Bracing