Ketchikan marine weather forecast
Ketchikan (USKTN) is a port in United States at 55°20.0′N 131°39.0′W. Today (Sep 16): WNW wind 10–11 kn, from the ECMWF IFS run 2026-09-16 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 | 55°20.0′N 131°39.0′W |
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| UN/LOCODE | USKTN |
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| Harbor size | Small |
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| Harbor type | Coastal natural harbor |
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| Shelter | Good |
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| Tide range | 4 m |
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| Time zone | America/Sitka |
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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 — Ketchikan
| Date | Wind | Gusts | Waves |
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| WNW 10–11 kn | 17 kn | — |
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| W 5–10 kn | 16 kn | — |
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| SW 3–11 kn | 17 kn | — |
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| SSE 8–16 kn | 24 kn | — |
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| SSE 12–24 kn | 37 kn | — |
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| SSW 8–12 kn | 15 kn | — |
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| SSE 7–10 kn | 13 kn | — |
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| SE 16–16 kn | 24 kn | — |
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| E 7–7 kn | 15 kn | — |
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| NE 9–9 kn | 14 kn | — |
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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 24 kn on Sep 20. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Ketchikan right now?
As of the ECMWF IFS run 2026-09-16 12z: WNW wind 10–11 kn. The 10-day outlook is in the forecast table on this page and updates with each model cycle.
How big is the harbor at Ketchikan?
Ketchikan is classed as a small harbor (coastal natural harbor), with good shelter in the NGA World Port Index.