Canaport (St. John) to Halifax — sea route & marine weather
The sea route from Canaport (St. John) (CACPT) to Halifax (CAHAL) is about 269 nm — about 27 hours at 10 kn. Along the route today (Sep 18): WNW wind 8–16 kn, waves 0.7–1.0 m. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 269 nm |
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| Passage time at 10 kn | about 27 hours |
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| Great-circle distance | 107 nm |
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| Canaport (St. John) | 45°12.0′N 65°59.0′W |
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| Halifax | 44°39.0′N 63°35.0′W |
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| Reference vessel | 4.5 m draft, 10 kn cruise |
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10-day marine forecast — along the route
| Date | Wind | Gusts | Waves |
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| WNW 8–16 kn | 23 kn | 0.7–1.0 m |
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| NW 8–23 kn | 29 kn | 0.5–1.9 m |
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| 2–14 kn | 17 kn | 0.4–1.0 m |
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| 1–22 kn | 26 kn | 0.7–1.2 m |
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| N 3–16 kn | 17 kn | 1.0–2.0 m |
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| NNE 3–15 kn | 15 kn | 1.0–1.8 m |
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| ESE 5–30 kn | 36 kn | 1.1–1.6 m |
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| NE 14–38 kn | 52 kn | 1.2–1.4 m |
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| NE 10–24 kn | 27 kn | 3.0–3.1 m |
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| 4–13 kn | 14 kn | 3.5–3.6 m |
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Forecast from the NOAA GFS 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 Canaport (St. John) to Halifax by sea?
The water route is 269 nm (498 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from Halifax to Canaport (St. John).
How long does the passage from Canaport (St. John) to Halifax take?
about 27 hours 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 Canaport (St. John) and Halifax today?
Along the route today, per the NOAA GFS run 2026-09-18 18z: WNW wind 8–16 kn, waves 0.7–1.0 m. The day-by-day table on this page covers the next 10 days.