SeaArk 1448FN 2011 boat specs
SeaArk
SeaArk 1448FN 2011
2011
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VS
SeaArk Forecast 156 2012 boat specs
SeaArk
SeaArk Forecast 156 2012
2012
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SeaArk 1448FN 2011 vs SeaArk Forecast 156 2012 — Same Brand, Different Boat

Matching a flat SeaArk 1448FN 2011 against a modified vee SeaArk Forecast 156 2012 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.

On paper these two are close siblings in the size department — SeaArk 1448FN 2011 at 14,0 ft versus SeaArk Forecast 156 2012 at 15,5 ft. At 32 lbs and 7 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.

Both boats share a closely matched power ceiling — 25 hp for the SeaArk 1448FN 2011 and 40 hp for the SeaArk Forecast 156 2012. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup.

For family outings this is probably the sharpest distinction between the two. The SeaArk Forecast 156 2012 is rated for 4 passengers, while the SeaArk 1448FN 2011 caps at 3. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the SeaArk Forecast 156 2012 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The SeaArk Forecast 156 2012 comes in at 0 lbs per hp versus 1 lbs per hp for the SeaArk 1448FN 2011. The lower the ratio the more explosive the acceleration — meaningful on a short RIB where bursts of speed, quick planing, and agility in surf or tight waterways define the experience.

Bottom line: Choose the SeaArk Forecast 156 2012 if your priority is putting more people on the water — it handles 4 passengers and at 15,5 ft it has the deck room to back that rating up comfortably. The SeaArk 1448FN 2011 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 3 that costs less to run day-to-day.
General Boat Info
MakeSeaArk
MakeSeaArk
Model1448FN
ModelForecast 156
Model Year2011
Model Year2012
Measurements / Dimensions
Beam67 in. (1.70 m)
Beam71 in
Beam - Meters1.7
Beam - Meters1.8
Beam - Inches67
Beam - Inches71
Depth - Detail20 in. (0.51 m)
Depth - Detail21 in
Depth - Centimeters50.8
Depth - Centimeters53.34
Depth - Inches2
Depth - Inches21
Weight - Detail320 lbs. (145.2 kg)
Weight - Detail700 lbs
Weight - kg145.15
Weight - kg317.51
Weight - lbs.32
Weight - lbs.7
Width [transom] - Detail48 in. (1.22 m)
Width [transom] - DetailBottom: 50 in
Height [transom]15 / 20 in. (0.38 / 0.51 m)
Height [transom]not available
Length - Feet14
Length - Feet15.5
Length overall - Detail14 ft. (4.27 m)
Length overall - Detail15 ft. 6 in
Length overall - Meters4.27
Length overall - Meters4.72
Length overall - Inches168
Length overall - Inches186
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thickness0.100 in. (2.54 mm)
Hull thickness0.100 in
Hull typeFlat
Hull typeModified Vee
Engine and Drivetrain
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Engine max25 hp (18.6 kW)
Engine max40 hp
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail15 gal
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters56.78
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal15
Operational Info
Maximum capacity705 lbs. (319.9 kg)
Maximum capacitynot available
Maximum people3 / 380 lbs. (172.4 kg)
Maximum peoplenot available

SeaArk 1448FN 2011 vs SeaArk Forecast 156 2012 — Common Questions

Which is the larger boat — the SeaArk 1448FN 2011 or the SeaArk Forecast 156 2012?
The SeaArk Forecast 156 2012 is the longer of the two at 15,5 feet overall. The SeaArk 1448FN 2011 comes in at 14,0 feet, making it roughly 1,5 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the SeaArk 1448FN 2011 or the SeaArk Forecast 156 2012?
For trailering, the SeaArk Forecast 156 2012 has the edge at 7 lbs dry weight versus 32 lbs for the SeaArk 1448FN 2011. Add a motor (typically 300–500 lbs for an outboard in this class), gear, and a partial fuel load and the difference grows. Lighter is friendlier on smaller tow vehicles and on fuel economy while hauling.
Which boat can handle a bigger outboard?
The SeaArk Forecast 156 2012 is rated to a maximum of 40 hp, giving it the larger power ceiling. The SeaArk 1448FN 2011 tops out at 25 hp. Keep in mind that maximum ratings are just that — matching the motor to the actual load and usage pattern usually matters more than chasing the ceiling.
How many people can each boat hold?
The SeaArk 1448FN 2011 is Coast Guard rated for 3 passengers, while the SeaArk Forecast 156 2012 is certified for 4. Note that legal capacity and comfortable capacity aren't always the same thing — on a full day out, most experienced boaters aim for about 80% of the rated number to keep things comfortable.
Which boat has the better power-to-weight ratio?
The SeaArk Forecast 156 2012 has a better power-to-weight ratio at 0 lbs per hp compared to 1 lbs per hp for the SeaArk 1448FN 2011. A lower number means quicker acceleration and faster time to plane — the number that actually matters most on short, sporty boats like these.
Which boat is wider, and does it affect trailering?
The SeaArk Forecast 156 2012 measures 71" wide, compared to 67" for the SeaArk 1448FN 2011. The US standard-width towing limit is 8’6" (102") in most states — anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.
Are the SeaArk 1448FN 2011 and SeaArk Forecast 156 2012 from the same manufacturer?
Yes — both the SeaArk 1448FN 2011 and the SeaArk Forecast 156 2012 are built by SeaArk. That means shared dealer networks, common parts availability, and consistent build quality across the line. The choice between them is essentially a question of how much boat you need, not which brand you trust.