Gunsan marine weather forecast
Gunsan (KRKUV) is a port in South Korea at 35°59.0′N 126°37.0′E. Today (Sep 14): N wind 1–16 kn, waves 0.3–1.1 m, from the ECMWF IFS run 2026-09-14 00z. The live chart on this page shows current conditions and plans weather-optimized departures from this harbor.
Port facts (NGA World Port Index)| Position | 35°59.0′N 126°37.0′E |
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| UN/LOCODE | KRKUV |
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| Harbor size | Small |
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| Harbor type | River natural harbor |
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| Shelter | Fair |
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| Channel depth | 9 m |
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| Anchorage depth | 9 m |
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| Tide range | 6 m |
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| Pilotage | Compulsory |
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| Time zone | Asia/Seoul |
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Facilities & services (NGA World Port Index)| Tugs | Assistance available |
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| Supplies | Fuel oil, diesel, water, provisions |
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| Repairs | Limited |
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| Medical facilities | Available |
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10-day marine forecast — Gunsan
| Date | Wind | Gusts | Waves |
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| N 1–16 kn | 21 kn | 0.3–1.1 m |
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| N 6–12 kn | 15 kn | 0.3–0.7 m |
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| NE 5–14 kn | 19 kn | 0.2–0.4 m |
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| ENE 3–14 kn | 17 kn | 0.2–0.5 m |
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| NE 7–13 kn | 17 kn | 0.2–0.5 m |
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| NNE 10–11 kn | 14 kn | 0.3–0.4 m |
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| NE 7–7 kn | 9 kn | 0.3–0.3 m |
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| NNE 11–11 kn | 16 kn | 0.6–0.6 m |
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| NE 10–10 kn | 16 kn | 0.5–0.5 m |
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| E 2–2 kn | 10 kn | 0.2–0.2 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.
What to watch in the forecast
Across the loaded 10-day outlook, the strongest daily modeled wind reaches 16 kn on Sep 14. The highest modeled significant wave height is 1.1 m on Sep 14. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Gunsan right now?
As of the ECMWF IFS run 2026-09-14 00z: N wind 1–16 kn, waves 0.3–1.1 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 Gunsan?
Gunsan is classed as a small harbor (river natural harbor), with fair shelter in the NGA World Port Index.
How deep is the approach to Gunsan?
Per the NGA World Port Index, the entrance channel carries about 9 m and anchorage depths run about 9 m. Verify against current official charts before entry.