San Diego (USSAN) — marine weather & port guide
San Diego is a port in United States at 32°42.0′N 117°9.0′W. Today (Aug 3): NW wind 5–8 kn, waves 1.1–1.2 m, from the ECMWF IFS run 2026-08-03 12z. The live chart on this page shows current conditions and plans weather-optimized departures from this harbor.
Port facts (NGA World Port Index)| Position | 32°42.0′N 117°9.0′W |
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| UN/LOCODE | USSAN |
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| Harbor size | Medium |
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| Harbor type | Coastal natural harbor |
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| Shelter | Excellent |
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| Channel depth | 11 m |
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| Anchorage depth | 11 m |
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| Tide range | 1 m |
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| Pilotage | Compulsory |
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| Time zone | America/Los_Angeles |
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10-day marine forecast — San Diego
| Date | Wind | Gusts | Waves |
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| NW 5–8 kn | 13 kn | 1.1–1.2 m |
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| WNW 2–7 kn | 12 kn | 1.0–1.2 m |
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| WNW 1–8 kn | 12 kn | 0.8–1.0 m |
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| NW 2–8 kn | 12 kn | 0.8–0.8 m |
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| NW 1–7 kn | 11 kn | 0.7–0.8 m |
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| WNW 2–7 kn | 8 kn | 0.8–0.9 m |
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| WSW 3–5 kn | 7 kn | 0.9–0.9 m |
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| S 6–6 kn | 10 kn | 0.9–0.9 m |
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| S 4–4 kn | 9 kn | 1.0–1.0 m |
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| SSE 3–3 kn | 6 kn | 1.0–1.0 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 is the weather at San Diego right now?
As of the ECMWF IFS run 2026-08-03 12z: NW wind 5–8 kn, waves 1.1–1.2 m. The 10-day outlook is in the forecast table on this page and updates with each model cycle.
How big is the harbor at San Diego?
San Diego is classed as a medium harbor (coastal natural harbor), with excellent shelter in the NGA World Port Index.
How deep is the approach to San Diego?
Per the NGA World Port Index, the entrance channel carries about 11 m and anchorage depths run about 11 m. Verify against current official charts before entry.