Halifax to Boston — sea route & marine weather
The sea route from Halifax (CAHAL) to Boston (USBOS) is about 426 nm — about 43 hours at 10 kn. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 426 nm |
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| Passage time at 10 kn | about 43 hours |
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| Great-circle distance | 354 nm |
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| Halifax | 44°39.0′N 63°35.0′W |
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| Boston | 42°21.0′N 71°3.0′W |
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| Reference vessel | 4.5 m draft, 10 kn cruise |
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Marine forecast
No forecast frames are loaded right now. The live chart below shows conditions as soon as the next model run is ingested.
Frequently asked
How far is it from Halifax to Boston by sea?
The water route is 426 nm (789 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from Boston to Halifax.
How long does the passage from Halifax to Boston take?
about 43 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.