Halifax to Sept-Iles — sea route & marine weather
The sea route from Halifax (CAHAL) to Sept-Iles (CASEI) is about 620 nm — about 3 days at 10 kn. Along the route today (Nov 2): WNW wind 3–18 kn, waves 0.9–2.5 m. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 620 nm |
|---|
| Passage time at 10 kn | about 3 days |
|---|
| Great-circle distance | 352 nm |
|---|
| Halifax | 44°39.0′N 63°35.0′W |
|---|
| Sept-Iles | 50°12.0′N 66°23.0′W |
|---|
| Reference vessel | 4.5 m draft, 10 kn cruise |
|---|
10-day marine forecast — along the route
| Date | Wind | Gusts | Waves |
|---|
| WNW 3–18 kn | 28 kn | 0.9–2.5 m |
|---|
| NW 1–21 kn | 27 kn | 0.2–1.9 m |
|---|
| SE 3–22 kn | 29 kn | 0.2–1.6 m |
|---|
| SE 3–22 kn | 32 kn | 0.7–2.0 m |
|---|
| 2–19 kn | 25 kn | 0.4–1.6 m |
|---|
| 4–20 kn | 25 kn | 0.4–1.5 m |
|---|
| NE 3–22 kn | 28 kn | 0.6–2.5 m |
|---|
| NW 3–16 kn | 29 kn | 0.4–1.8 m |
|---|
| 6–21 kn | 27 kn | 0.2–2.3 m |
|---|
| W 11–24 kn | 37 kn | 0.8–3.0 m |
|---|
Forecast from the ECMWF IFS model run , waves from ECMWF WAM. Updated with each model cycle; the live chart below recalculates for your departure time and vessel.
Frequently asked
How far is it from Halifax to Sept-Iles by sea?
The water route is 620 nm (1,148 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from Sept-Iles to Halifax.
How long does the passage from Halifax to Sept-Iles take?
about 3 days at a 10 kn cruise. Scale by your own speed: at half the speed it takes about twice as long. The planner on this page recalculates for your vessel and live weather.
What is the weather between Halifax and Sept-Iles today?
Along the route today, per the ECMWF IFS run 2026-11-02 12z: WNW wind 3–18 kn, waves 0.9–2.5 m. The day-by-day table on this page covers the next 10 days.