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Lewmar - Atlantic Portlight

Lewmar - Atlantic Portlight


The Lewmar Atlantic Portlight has clean lines and a clear, acrylic window housed in an attractive aluminium frame. Portlight inner and outer frames are made from aluminium extrusion, deep anodised for maximum corrosion resistance. All sizes CE Approved for Category A, Areas 2, 3 & 4 - sizes 10, 30 & 32 approved for Area 1 also.

Price:  £319.99
RRP:  £361.66
Save:  £41.67
(Inc. VAT @ 20%)
Port size:  
Window tint:  
Trim colour:  

Article Number:  39110090

Anodised Extruded Alloy Frame
Portlight inner and outer frames are made from aluminium extrusion, deep anodised for maximum corrosion resistance.

Quick Action Handles
Portlight handles apply the correct pressure evenly onto the seal in the closed position. Portlight handles are unable to vibrate open when in the closed position.

Water Drainage
The portlight outside frame is designed to allow water to drain away even when mounted on an angled coachroof side preventing water entering the boat when opening the portlight.

Friction Hinges
Lewmar's revolutionary hinges provide a choice of open positions with no knobs, stays or straps. Hinges and other moving parts are corrosion free.

The flyscreen is made from nylon mesh with a moulded frame which clips onto the portlight outer frame. Flyscreen can be left in position when the window is closed. Supplied as standard.


  • Portlights and fixed lights should be fitted to a flat surface with a maximum tolerance 1mm
  • Smoke grey acrylic and silver anodized frames
  • Portlight opening is restricted on very thick hulls. At 24mm hull thickness, opening angle is 115

Thick Hull Valance Requirement

  • Hull thickness 8-15mm - a thin valance is required
  • Hull thickness 16-24mm - a thick valance is required

Lewmar - Atlantic portlights

Size Style Overall size Cut-out size*
(X 1)
(Y 1)
(R 1)
10 Opening 304mm 174mm 6mm 71mm 284mm 154mm 61mm
30 Opening 400mm 200mm 6mm 71mm 380mm 180mm 61mm
32 Opening 400mm 200mm 6mm 100mm 380mm 180mm 90mm
40 Opening 480mm 200mm 6mm 71mm 460mm 180mm 61mm
60 Opening 600mm 200mm 6mm 71mm 580mm 180mm 61mm

  • Maximum hull thickness 34mm, minimum hull thickness 7mm
  • All portlights are supplied with 12 M5 x 25 screws for hull thickness 7-25mm
  • Porlights should be fitted to a flat surface ± 1mm

Lewmar Hatch & Portlight Fitting Guide (PDF)

CE Regulations Explained

The letters CE (Conformité Européenne) appear on many products that are traded on the single market in the European Economic Area (EEA).

The CE marking is required for many products. It:

  • shows that the manufacturer has checked that these products meet EU safety, health or environmental requirements
  • is an indicator of a product’s compliance with EU legislation
  • allows the free movement of products within the European market

By placing the CE marking on a product a manufacturer is declaring, on his sole responsibility, conformity with all of the legal requirements to achieve CE marking. The manufacturer is thus ensuring validity for that product to be sold throughout the EEA. This also applies to products made in third countries which are sold in the EEA and Turkey.

The CE Regulations apply to craft up to 24m in length that are sold in the European Union. Although the regulations may not apply to your boat, they are a useful guide for small craft throughout the world.

The regulations have Design Categories for boats based on their intended use and propulsion (sail or power). They are as follows -

A. OCEAN: Designed for extended voyages where conditions may exceed wind force 8 (Beaufort scale) and significant wave heights of 4m and above and vessels largely self-sufficient.

B. OFFSHORE: Designed for offshore voyages where conditions up to and including wind force 8 and significant wave heights up to and including 4m may be experienced.

C. INSHORE: Designed for voyages in coastal waters, large bays, estuaries, lakes and rivers where conditions up to and including wind force 6 and significant wave heights up to and including 2m may be experienced.

D. SHELTERED WATERS: Designed for voyages on small lakes rivers and canals where conditions up to and including wind force 4 and significant wave heights up to and including 0,5m may be experienced.

The Regulations divide up the boats hull and deck into four specific Areas. A product, which is suitable for fitting to an area for which it is approved, is suitable for all the areas below its category. For example, a portlight, which is approved for Area 2 may also be fitted to Areas 3 and 4, but not Area 1.

CE Area diagrams courtesy of Lewmar Hatch and Portlight fitting guide.

We're currently unable to show live stock information on our website, so if you need delivery fast we strongly recommend checking availability first. Simply fill out the form below and we'll get back to you, or call us on +44 (0)1243 375774 for an immediate answer.

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