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2004 Seaward 25

Hythe Marina Village, Hampshire


Based on the legendary Nelson semi-displacement hull form, the Seaward 25 is a safe and capable twin screw, shaft drive pocket coastal cruiser. Nau II is from 2004 and is well equipped and nicely presented. She has the popular 100hp Yanmar 4JH3s, with only 544 hours use, giving her a top speed of 22 knots. Eberspacher heating, shorepower, battery charger, electric windlass, hot and cold water, bathing platform, radar, plotter, autopilot, trim tabs, fully enclosed cockpit canopy etc.. An all year round boat, very manouevrable and confidence inspiring!

Basic Boat Info

Tax Status: Paid
Boat Name: NAU II
Make: Seaward
Model: 25
Year: 2004
Condition: Used
Category: Power
Builder: Seaward
Designer: TT Boat Designs
Construction: Fiberglass
Boat Hull ID: GBSMG25050H5093
Has Hull ID: Yes


Length: 25'5 ft / 7.75 m
Length Overall: 25'5 ft / 7.75 m
Waterline Length: 22'1 ft / 6.73 m
Beam: 8'10 ft / 2.69 m
Max Draft: 2'5 ft / 0.74 m
Min Draft: 2'5 ft / 0.74 m
Displacement: 3,150 kg
Electrical Circuit: 240v
Double Berths: 1
Cabins Count: 1

Engines / Speed

Engines: 2
Engine #1 Specs:
  • Make: Yanmar
  • Model: 4JH3
  • Fuel: Diesel
  • Engine Power: 100hp
  • Type: Inboard
  • Propeller Type: 4 BladeBronze
  • Drive Type: Direct
  • Year: 2004
  • Engine Hours: 544
Engine #2 Specs:
  • Make: Yanmar
  • Model: 4JH3
  • Fuel: Diesel
  • Engine Power: 100hp
  • Type: Inboard
  • Propeller Type: 4 BladeBronze
  • Drive Type: Direct
  • Year: 2004
  • Engine Hours: 542
Total Engine Power: 200hp
Cruising Speed: 15 kn
Maximum Speed: 22 kn
Displacement Type: Dry Load


Heads Count: 1
Drive Type: Direct
Windlass Type: Electric
Stock Number: 25-0038
Boat Class: Cruisers, Other


William Rhys-Jones
BH Boat Sales


BH Boat Sales
BH Boat Sales
Beaulieu, Hampshire, GB, SO42 7XB
Tel:01590 616316

Seaward 25


 LOA (Hull): 25'5 " (7.74m) LWL: 22'1"(6.70m)
Beam: 8'.10" (2.69m) Draft: 2'5" (0.73m)
Displ. Approx: 3.00 tons Hull No: 25-050
Designer: Arthur Mursell, TT Boat Designs, Isle of Wight.
Builder: Seaward Marine Ltd, Isle of Wight Year: 2004
Construction: G.R.P. with teak joinery.

Mechanical Data: 2 x 3 cylinder 100 hp Yanmar marine diesel engines fitted with 2:1 Hurth hydraulic gearboxes driving 2 x 4 blade contra rotating propellers on 35 mm diameter stainless steel shafts giving maximum speed of 22 knots and cruising at 15 knots. Twin cast bronze rudders are fitted along with hydraulic trim tabs. Fuel consumption at 15 knots is approximately 25 litres per hour.
Extras: In addition to the equipment included with the standard Seaward 25 specification, this craft has the following optional extras fitted:-

•    Raymarine VHF DSC Radio
•    Raymarine 'C' series C80 navigation system 
•    Raymarine tridata (speed log & depth)
•    Raymarine 4000 autopilot
•    Electric windlass
•    240V shore power supply
•    12V general purpose socket
•    Pressurised hot & cold water system 
•    Shafts fitted with Stripper rope cutters
•    Pair of mid ship cleats fitted for springs
•    Full cockpit canopy in navy acrylic canvas with all round window panels
•    Eberspacher heating

New bathing platform

Also Trim tabs and fender baskets.

Remarks: The Seaward 25's have proven sea-keeping qualities and are probably the most sea kindly vessels in this size range.



BH Boat Sales offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.