Boston to Newport News — sea route & marine weather
The sea route from Boston (USBOS) to Newport News (USNNS) is about 568 nm — about 2 days at 10 kn. Along the route today (Aug 3): SSW wind 6–26 kn, waves 1.3–2.4 m. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 568 nm |
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| Passage time at 10 kn | about 2 days |
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| Great-circle distance | 407 nm |
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| Boston | 42°21.0′N 71°3.0′W |
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| Newport News | 36°58.0′N 76°25.0′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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| SSW 6–26 kn | 34 kn | 1.3–2.4 m |
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| WNW 0–24 kn | 31 kn | 0.7–2.5 m |
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| SW 2–9 kn | 16 kn | 0.5–1.1 m |
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| SSW 4–14 kn | 19 kn | 0.4–1.1 m |
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| WSW 5–16 kn | 21 kn | 0.5–1.0 m |
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| SW 5–17 kn | 22 kn | 0.4–1.1 m |
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| WSW 6–19 kn | 24 kn | 0.5–1.3 m |
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| WNW 4–11 kn | 16 kn | 0.3–0.8 m |
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| WSW 5–15 kn | 26 kn | 0.6–1.3 m |
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| NNW 4–12 kn | 16 kn | 0.3–0.9 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 far is it from Boston to Newport News by sea?
The water route is 568 nm (1,053 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from Newport News to Boston.
How long does the passage from Boston to Newport News take?
about 2 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 Boston and Newport News today?
Along the route today, per the ECMWF IFS run 2026-08-03 12z: SSW wind 6–26 kn, waves 1.3–2.4 m. The day-by-day table on this page covers the next 10 days.