Sachs Harbor (CAYSY) — marine weather & port guide
Sachs Harbor is a port in Canada at 71°58.0′N 125°15.0′W. Today (Aug 3): SW wind 8–11 kn, waves 0.0–0.0 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 | 71°58.0′N 125°15.0′W |
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| UN/LOCODE | CAYSY |
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| Harbor size | Very small |
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| Harbor type | Coastal natural harbor |
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| Shelter | Poor |
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| Tide range | 2 m |
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| Time zone | America/Yellowknife |
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10-day marine forecast — Sachs Harbor
| Date | Wind | Gusts | Waves |
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| SW 8–11 kn | 15 kn | 0.0–0.0 m |
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| NW 10–11 kn | 14 kn | 0.0–0.0 m |
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| NE 6–12 kn | 16 kn | 0.0–0.0 m |
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| E 7–9 kn | 11 kn | 0.0–0.0 m |
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| SE 1–10 kn | 13 kn | 0.0–0.0 m |
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| S 8–12 kn | 15 kn | 0.0–0.0 m |
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| SW 12–12 kn | 16 kn | 0.0–0.0 m |
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| WNW 8–8 kn | 11 kn | 0.0–0.0 m |
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| WSW 3–3 kn | 7 kn | 0.0–0.0 m |
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| NE 6–6 kn | 7 kn | 0.0–0.0 m |
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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 Sachs Harbor right now?
As of the ECMWF IFS run 2026-08-03 12z: SW wind 8–11 kn, waves 0.0–0.0 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 Sachs Harbor?
Sachs Harbor is classed as a very small harbor (coastal natural harbor), with poor shelter in the NGA World Port Index.
What restricts entry to Sachs Harbor?
Entry is affected by ice. Check the live forecast on this page and official notices before approach.