Can I swim at Grand Bend Beach right now?

The sea at Grand Bend Beach is currently 16.7°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 Grand Bend Beach next week?

Based on long-term June averages and the latest marine model, expect the sea around Grand Bend Beach to sit close to 19.6°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 Grand Bend Beach?

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

Do I need a wetsuit at Grand Bend Beach?

With water currently at 16.7°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.

Canada

Ontario · Great Lakes

Grand Bend Beach

Popular Ontario beach near Grand Bend.

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

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Sea temperature now

16.7°Cmild

Fair

Updated just now · Source: Open-Meteo Marine

Air temperature

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Wave height

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Wind

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UV index

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Location

Grand Bend 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

3/2mm fullsuit

At 16.7°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 Grand Bend 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 Grand Bend Beach today?

The sea is currently 16.7°C — fair swimming conditions. Acclimatised swimmers will be most comfortable.

Key takeaways

• Located in Ontario, Canada (Great Lakes).
• 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.

Jan1°C Feb0°C Mar1°C Apr4°C May10°C Jun16°C Jul21°C Aug22°CBest Sep19°C Oct13°C Nov7°C Dec3°C

0°C → 22°C· Current month outlined· “Best” = within 2°C of the annual peak

Year-round sea temperature

Best swim months: Jul – Aug

Month	Sea	Comfort
Jan	1°C	Cold
Feb	0°C	Cold
Mar	1°C	Cold
Apr	4°C	Cold
May	10°C	Cold
Jun	16°C	Bracing
Jul	21°C	Pleasant
Aug ⭐	22°C	Warm
Sep	19°C	Pleasant
Oct	13°C	Cold
Nov	7°C	Cold
Dec	3°C	Cold