Nikiski (USNIK) — marine weather & port guide
Nikiski is a port in United States at 60°40.0′N 151°21.0′W. Today (Aug 3): S wind 11–12 kn, waves 0.8–1.1 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 | 60°40.0′N 151°21.0′W |
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| UN/LOCODE | USNIK |
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| Harbor size | Very small |
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| Harbor type | Coastal natural harbor |
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| Shelter | Fair |
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| Tide range | 3 m |
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| Time zone | America/Anchorage |
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10-day marine forecast — Nikiski
| Date | Wind | Gusts | Waves |
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| S 11–12 kn | 38 kn | 0.8–1.1 m |
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| S 7–11 kn | 36 kn | 1.1–1.3 m |
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| S 4–8 kn | 29 kn | 1.0–1.2 m |
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| SSW 4–5 kn | 19 kn | 0.9–0.9 m |
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| S 2–7 kn | 23 kn | 0.9–0.9 m |
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| SSW 0–2 kn | 2 kn | 0.8–1.0 m |
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| SSW 0–1 kn | 1 kn | 0.5–0.6 m |
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| SSW 1–1 kn | 6 kn | 0.6–0.6 m |
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| SW 0–0 kn | 6 kn | 0.6–0.6 m |
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| SSW 1–1 kn | 6 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 Nikiski right now?
As of the ECMWF IFS run 2026-08-03 12z: S wind 11–12 kn, waves 0.8–1.1 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 Nikiski?
Nikiski is classed as a very small harbor (coastal natural harbor), with fair shelter in the NGA World Port Index.