Ad Dammam (SADMM) — marine weather & port guide
Ad Dammam is a port in Saudi Arabia at 26°30.0′N 50°12.0′E. Today (Aug 3): NE wind 2–11 kn, waves 0.2–0.2 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 | 26°30.0′N 50°12.0′E |
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| UN/LOCODE | SADMM |
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| Harbor size | Small |
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| Harbor type | Coastal breakwater harbor |
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| Shelter | Fair |
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| Channel depth | 14 m |
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| Anchorage depth | 14 m |
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| Tide range | 2 m |
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| Pilotage | Compulsory |
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| Time zone | Asia/Riyadh |
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10-day marine forecast — Ad Dammam
| Date | Wind | Gusts | Waves |
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| NE 2–11 kn | 20 kn | 0.2–0.2 m |
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| NE 2–8 kn | 14 kn | 0.2–0.3 m |
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| N 0–6 kn | 12 kn | 0.1–0.3 m |
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| NW 3–8 kn | 16 kn | 0.1–0.2 m |
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| NNW 5–9 kn | 13 kn | 0.3–0.5 m |
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| N 4–10 kn | 12 kn | 0.2–0.2 m |
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| WNW 5–6 kn | 7 kn | 0.3–0.3 m |
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| NW 5–5 kn | 18 kn | 0.3–0.3 m |
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| N 4–4 kn | 16 kn | 0.1–0.1 m |
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| NNE 15–15 kn | 24 kn | 0.6–0.6 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 Ad Dammam right now?
As of the ECMWF IFS run 2026-08-03 12z: NE wind 2–11 kn, waves 0.2–0.2 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 Ad Dammam?
Ad Dammam is classed as a small harbor (coastal breakwater harbor), with fair shelter in the NGA World Port Index.
How deep is the approach to Ad Dammam?
Per the NGA World Port Index, the entrance channel carries about 14 m and anchorage depths run about 14 m. Verify against current official charts before entry.