The Northshore 38 is well-powered with enough sail area to move in light air, with acceptable motion comfort for coastal passages.
Hull Speed
The theoretical displacement-mode speed limit — determined by waterline length, not engine or sail power.
A displacement hull pushes a bow wave whose speed is limited by the waterline length.
With a waterline of 32.0′, the Northshore 38 tops out around 7.6 knots in displacement mode — after that, the bow wave outruns the hull and resistance climbs steeply.
1.34 × √32.0′ LWL = 7.6 kts
Performance Ratios
Racing handicap, sail-carrying power, stability and comfort — and what each one actually tells you about a day on the water.
SA / Displacement
19.7
Powerful cruiser/racer — quick in light air, reef early when it pipes up.
Comfort Ratio
21.6
Acceptable coastal comfort — fine for weekends, notice the chop offshore.
Capsize Screening
1.95
Below the 2.0 offshore threshold — acceptable for ocean passages.
Pounds/Inch Immersion
1lbs
Weight needed to sink the hull one inch — loading sensitivity.
Motion & Offshore Suitability
Two ratios that matter most when you're planning passages — how the boat feels in a seaway, and whether the hull geometry is suitable for open ocean.
Comfort Ratio
21.6
Acceptable coastal comfort — fine for weekends, notice the chop offshore.
Under 20 — Snappy, racing motion
20–30 — Acceptable coastal
30–40 — Good offshore comfort
Over 40 — Very comfortable offshore
Capsize Screening Formula
1.95
Below the 2.0 offshore threshold — acceptable for ocean passages.
Under 2.0 — Acceptable for offshore
Over 2.0 — Coastal / protected waters
PHRF Fleet Position
Where the Northshore 38 sits on the PHRF handicap spectrum — lower numbers mean faster boats.
Racer 0–90
Cruiser/Racer 90–150
Cruiser 150–210
C&C 38
111s/nm
Catalina 38
114s/nm
Tartan 3800
114s/nm
Hunter 38
123s/nm
Estimated Speed by Wind
Rough boat speed estimates at different true wind speeds and points of sail — derived from hull speed, SA/D, and displacement, not measured polars.
| Point of Sail |
6 kts TWS |
10 kts TWS |
15 kts TWS |
20 kts TWS |
| Close-hauled40–50° |
3.2 |
4.1 |
4.6 |
4.8 |
| Close Reach60° |
3.9 |
5.0 |
5.5 |
5.8 |
| Beam Reach90° |
4.8 |
6.1 |
6.8 |
7.1 |
| Broad Reach120–135° |
4.5 |
5.6 |
6.3 |
6.6 |
| Run150–180° |
3.6 |
4.5 |
5.0 |
5.2 |
These are simplified estimates based on hull speed (7.6 kts),
SA/D (19.7), and empirical efficiency curves — not instrument-measured
polars. Real-world speed varies with sea state, bottom condition, sail trim, and current.
Speeds in gold approach hull speed;
bold gold means near or at hull speed.
Wind Range & Comfort Envelope
Estimated wind ranges for comfortable sailing on the Northshore 38 — based on sail area, ballast, and displacement characteristics.
Ghost
Sweet Spot
Reef
Heavy
0–6 kts
6–18 kts
18–26 kts
26+ kts
Ghosting
0–6 kts
Light air, motor-sailing likely. Need patience and a light genoa.
Sweet Spot
6–18 kts
Comfortable under full sail. Best speed-to-comfort ratio.
Time to Reef
18–26 kts
Time to shorten sail. Reef the main, swap to a working jib.
Heavy Weather
26+ kts
Storm conditions. Storm jib or bare poles. Seek shelter if coastal.
How It Compares
Side-by-side with the boats most often cross-shopped against the Northshore 38.
|
Northshore 38 |
C&C 38 |
Catalina 38 |
Hunter 38 |
Islander 38 C |
Tartan 3800 |
| Dimensions |
| LOA |
38.0 |
38.0 |
38.0 |
38.0 |
38.0 |
38.0 |
| LWL |
32.0 |
— |
31.5 |
34.7 |
27.5 |
31.0 |
| Beam |
11.0 |
— |
12.2 |
12.9 |
12.0 |
12.4 |
| Displacement |
11 |
— |
16 |
18,342 |
17 |
16 |
| Ballast |
4 |
— |
6 |
6,128 |
7 |
7 |
| Sail Area |
624 |
— |
665 |
991 |
673 |
665 |
| Performance |
| PHRF |
— |
111 |
114 |
123 |
— |
114 |
| SA/Disp |
19.7 |
— |
16.7 |
22.9 |
16.4 |
16.8 |
| Bal/Disp |
— |
— |
42.8 |
33.4 |
45.3 |
43.8 |
| Comfort |
21.6 |
— |
26.3 |
26.3 |
31.3 |
26.1 |
| Capsize |
1.95 |
— |
1.94 |
1.96 |
1.87 |
1.98 |
| Hull Speed |
7.6 |
— |
7.5 |
7.9 |
7.0 |
7.5 |