Oakland to San Diego — sea route & marine weather
The sea route from Oakland (USOAK) to San Diego (USSAN) is about 478 nm — about 48 hours at 10 kn. Along the route today (Aug 3): W wind 0–13 kn, waves 1.1–3.5 m. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 478 nm |
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| Passage time at 10 kn | about 48 hours |
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| Great-circle distance | 398 nm |
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| Oakland | 37°49.0′N 122°20.0′W |
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| San Diego | 32°42.0′N 117°9.0′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 | 1.1–3.5 m |
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| WNW 0–12 kn | 15 kn | 1.0–2.9 m |
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| NW 0–8 kn | 17 kn | 0.8–2.1 m |
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| WNW 0–9 kn | 17 kn | 0.8–1.5 m |
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| NW 0–10 kn | 17 kn | 0.7–1.4 m |
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| S 0–14 kn | 17 kn | 0.8–1.6 m |
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| SW 1–14 kn | 18 kn | 0.9–3.0 m |
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| S 1–15 kn | 19 kn | 0.9–3.2 m |
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| W 1–9 kn | 16 kn | 1.0–2.9 m |
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| W 0–10 kn | 16 kn | 1.0–3.1 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 San Diego by sea?
The water route is 478 nm (885 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from San Diego to Oakland.
How long does the passage from Oakland to San Diego take?
about 48 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 San Diego today?
Along the route today, per the ECMWF IFS run 2026-08-03 12z: W wind 0–13 kn, waves 1.1–3.5 m. The day-by-day table on this page covers the next 10 days.