Frequent question: Is 7mm wetsuit good?

A 7mm wetsuit is not only good but necessary for water temperatures below 15 degrees Celsius. It could be dangerous to go diving in cold waters without proper insulation.

Will a 7mm wetsuit keep you warm?

If you surface from the first dive of the trip chilled, you can always layer for extra warmth.

The Perfect Wetsuit Thickness for Every Water Temp.

50 to 65 Degrees (10-17 C) 8/7 mm semidry to 7 mm wetsuit Drysuit
Below 50 Degrees (Below 10 C) 8/7 mm semidry or drysuit Enjoy the water from the nearest coffee shop.

Is 7mm wetsuit too thick?

More than all these factors, what matters most is the comfort of the wetsuits one wears.


Water Temperature Thickness Wetsuit Type
18-21˚ C 3-5mm Fullsuit + Optional Hood
10-17˚ C 5-7mm Hooded Fullsuit + Boots + Gloves
Below 10˚ C 7mm Hooded Semi-dry or Drysuit + Boots + Gloves

How buoyant is a 7mm wetsuit?

Directional Toast. In my experience, a 7mm suit is around 15-22 lbs positive at the surface depending on the size of the suit and whether it is a one piece or a famer john.

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What MM is a good wetsuit?

Wetsuit Thickness & Temperature Guide

Water Temp Range (°F) Water Temp Range (°C) Wetsuit Thickness
65°- 75° 18° – 24° 0.5 mm – 2/1 mm
62°- 68° 16° – 20° 2 mm – 3/2 mm
58°- 63° 14° – 17° 3/2 mm – 4/3 mm
52°- 58° 11° – 14° 4/3 mm – 5/4/3 mm

Can you swim in a 7mm wetsuit?

Measured in millimeters, the thicker the wetsuit is, the colder temperatures it allows you to handle. A 7mm suit can withstand temperatures around 38 degrees. Have a suit that is less than 2mm, and you can only go into water around 70 degrees or better.

Is a 7mm wetsuit good for winter?


Waters with temperatures ranging from 45 to 60 degrees Fahrenheit (8 to 15 degrees Celsius) are considered cold waters. The 7mm wetsuit is appropriate for use when diving at these temperatures. You don’t have to go measuring the water to know, check the weather conditions.

Can you wear a winter wetsuit in the summer?

Spring is cold in the water even when the sun’s shining, a winter wetsuit is worn by many surfers right up until June on a cold year. Once summer comes and the water heats up the warmer temperatures can last right through to the end of October so your summer wetsuit will stay on longer than you might think.

What mm wetsuit do I need scuba?


80 to 85 Degrees 2 mm shorty to dive skin
73 to 79 Degrees 3 mm fullsuit to 2 mm shorty
66 to 72 Degrees 5 mm to 3 mm fullsuit
50-65 Degrees 8/7 mm semi-dry to 7 mm wetsuit
50 Degrees and Below 8/7 mm semi-dry or drysuit
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What thickness wetsuit do I need UK?

Season / Water Temperature

Water Temperature Wetsuit Type Wetsuit Thickness
20°C – 25°C Shorty 1mm to 1/2mm
15°C – 20°C Shorty or Full Length Suit 1/2mm or 3/2mm
10°C – 15°C Full Length Suit 3/2mm or 5/4/3mm
Below 10°C Full Length Suit 5/4/3mm

How much weight do I need with a 7mm wetsuit?

Tips and Buoyancy Review

Basic Weight Guidelines (Source: PADI) Exposure Suit Type
2/3mm = 1/16 in. Jumpsuit 7% of your body weight
5mm = 3/16 in. jumpsuit or two piece 10% of your body weight
7mm = 1/4 in. wet suit w/ hood & gloves 10% of your body weight, +1.5 – 3 kg / 3 – 5lbs.
See note just below!

How much weight should I add to a 7mm wetsuit?

A thicker suit means that we are displacing more water and require more lead to enable us to sink. A 3mm wetsuit may only require 6 to 8% of your body weight in lead whereas a 7mm, wetsuit, or dry suit could require 10% of your body weight or more depending on your undergarments.

How much dive weight do I need for freediving?

Weights in the 0.5-1 kg/1-2 lb range are ideal. This will also more evenly distribute the weight around your body and allow for more streamlined freediving. It will also decrease your effort and increase your bottom time.

What is a 2mm wetsuit good for?

Thin, light and stretchy, 1-2mm neoprene protects you from UV rays and provides a little extra warmth in water temperatures of 17°C and above. Designed for warmer water and summer conditions, 1-2mm neoprene is usually used for spring suit/shortys, Long and Short Janes, and neoprene tops and bottoms.

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What is a good wetsuit for cold water?

Best wetsuits for swimming in cold water by temperature range.

Wetsuit. Cold Water Temperature Range.
Roka Maverick Pro Thermal Wetsuit 42°-70°F/ 6°-21°C
Orca Openwater Smart Wetsuit 50°-75°F/ 10°-24°C.
Blueseventy Fusion Wetsuit 50°-80°F/ 10°-26°C
Synergy Triathlon Open Water Wetsuit 50°-80°F/ 10°-26°C.

How thick should a winter wetsuit be?

The most common thickness for a winter wetsuit is 5/4 mm, also called a 5.4 or 5 mm. It is slightly warmer than a 5/3 mm due to the extra millimetre thickness in the arms. The main body panels and upper legs are 5mm in thickness, while the arms, shoulders and back of the lower legs are made with 4mm panels.