Sept-Iles (CASEI) — marine weather & port guide
Sept-Iles is a port in Canada at 50°12.0′N 66°23.0′W. Today (Aug 3): ESE wind 4–9 kn, waves 0.6–1.0 m, from the ECMWF IFS run 2026-08-03 12z. The live chart on this page shows current conditions and plans weather-optimized departures from this harbor.
Port facts (NGA World Port Index)| Position | 50°12.0′N 66°23.0′W |
|---|
| UN/LOCODE | CASEI |
|---|
| Harbor size | Medium |
|---|
| Harbor type | River natural harbor |
|---|
| Shelter | Good |
|---|
| Channel depth | 11 m |
|---|
| Anchorage depth | 11 m |
|---|
| Tide range | 10 m |
|---|
| Pilotage | Compulsory |
|---|
| Time zone | America/Toronto |
|---|
10-day marine forecast — Sept-Iles
| Date | Wind | Gusts | Waves |
|---|
| ESE 4–9 kn | 20 kn | 0.6–1.0 m |
|---|
| ENE 2–18 kn | 43 kn | 1.3–1.5 m |
|---|
| WNW 6–12 kn | 30 kn | 0.8–1.6 m |
|---|
| W 4–5 kn | 14 kn | 0.5–0.9 m |
|---|
| WNW 2–7 kn | 14 kn | 0.2–0.5 m |
|---|
| NW 2–4 kn | 4 kn | 0.1–0.1 m |
|---|
| ESE 4–4 kn | 5 kn | 0.1–0.4 m |
|---|
| SE 2–2 kn | 8 kn | 0.5–0.5 m |
|---|
| W 5–5 kn | 11 kn | 0.3–0.3 m |
|---|
| NW 8–8 kn | 19 kn | 0.5–0.5 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 is the weather at Sept-Iles right now?
As of the ECMWF IFS run 2026-08-03 12z: ESE wind 4–9 kn, waves 0.6–1.0 m. The 10-day outlook is in the forecast table on this page and updates with each model cycle.
How big is the harbor at Sept-Iles?
Sept-Iles is classed as a medium harbor (river natural harbor), with good shelter in the NGA World Port Index.
How deep is the approach to Sept-Iles?
Per the NGA World Port Index, the entrance channel carries about 11 m and anchorage depths run about 11 m. Verify against current official charts before entry.
What restricts entry to Sept-Iles?
Entry is affected by ice. Check the live forecast on this page and official notices before approach.