Oakland to Long Beach — sea route & marine weather
The sea route from Oakland (USOAK) to Long Beach (USLGB) is about 406 nm — about 41 hours at 10 kn. Along the route today (Aug 3): W wind 0–13 kn, waves 2.0–3.5 m. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 406 nm |
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| Passage time at 10 kn | about 41 hours |
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| Great-circle distance | 316 nm |
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| Oakland | 37°49.0′N 122°20.0′W |
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| Long Beach | 33°46.0′N 118°11.0′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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| W 0–13 kn | 18 kn | 2.0–3.5 m |
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| WNW 0–12 kn | 15 kn | 1.7–2.9 m |
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| NW 0–8 kn | 17 kn | 1.3–2.1 m |
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| WNW 0–9 kn | 17 kn | 1.1–1.5 m |
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| NW 0–10 kn | 17 kn | 1.0–1.4 m |
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| S 0–14 kn | 17 kn | 1.1–1.6 m |
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| SW 1–14 kn | 18 kn | 1.2–3.0 m |
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| S 1–15 kn | 19 kn | 1.6–3.2 m |
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| W 1–9 kn | 16 kn | 1.6–2.9 m |
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| W 0–10 kn | 16 kn | 1.6–3.1 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 Oakland to Long Beach by sea?
The water route is 406 nm (752 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from Long Beach to Oakland.
How long does the passage from Oakland to Long Beach take?
about 41 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 Oakland and Long Beach today?
Along the route today, per the ECMWF IFS run 2026-08-03 12z: W wind 0–13 kn, waves 2.0–3.5 m. The day-by-day table on this page covers the next 10 days.