Kiska Island (USKIS) — marine weather & port guide
Kiska Island is a port in United States at 51°57.0′N 177°33.0′E. Today (Aug 3): WSW wind 13–17 kn, waves 1.9–2.1 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 | 51°57.0′N 177°33.0′E |
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| UN/LOCODE | USKIS |
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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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| Channel depth | 22 m |
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| Anchorage depth | 22 m |
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| Tide range | 1 m |
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| Time zone | America/Adak |
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10-day marine forecast — Kiska Island
| Date | Wind | Gusts | Waves |
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| WSW 13–17 kn | 22 kn | 1.9–2.1 m |
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| SW 7–15 kn | 19 kn | 1.4–1.8 m |
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| N 9–12 kn | 15 kn | 1.2–1.4 m |
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| WSW 9–12 kn | 15 kn | 1.1–1.3 m |
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| SSE 2–8 kn | 11 kn | 1.0–1.1 m |
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| SE 5–7 kn | 9 kn | 0.9–0.9 m |
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| SSW 6–8 kn | 10 kn | 0.8–0.9 m |
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| W 8–8 kn | 14 kn | 0.9–0.9 m |
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| WSW 17–17 kn | 22 kn | 1.1–1.1 m |
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| NW 13–13 kn | 19 kn | 1.4–1.4 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 Kiska Island right now?
As of the ECMWF IFS run 2026-08-03 12z: WSW wind 13–17 kn, waves 1.9–2.1 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 Kiska Island?
Kiska Island is classed as a very small harbor (coastal natural harbor), with fair shelter in the NGA World Port Index.
How deep is the approach to Kiska Island?
Per the NGA World Port Index, the entrance channel carries about 22 m and anchorage depths run about 22 m. Verify against current official charts before entry.