Coupeville (USCBL) — marine weather & port guide
Coupeville is a port in United States at 48°14.0′N 122°41.0′W. Today (Aug 3): NE wind 1–6 kn, 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 | 48°14.0′N 122°41.0′W |
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| UN/LOCODE | USCBL |
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| Harbor size | Very small |
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| Harbor type | Coastal natural harbor |
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| Shelter | Excellent |
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| Tide range | 2 m |
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| Pilotage | Compulsory |
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| Time zone | America/Los_Angeles |
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10-day marine forecast — Coupeville
| Date | Wind | Gusts | Waves |
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| NE 1–6 kn | 19 kn | — |
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| E 2–6 kn | 19 kn | — |
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| E 1–5 kn | 15 kn | — |
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| ENE 1–4 kn | 12 kn | — |
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| SSE 1–4 kn | 13 kn | — |
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| SW 2–4 kn | 6 kn | — |
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| SW 1–5 kn | 6 kn | — |
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| S 2–2 kn | 7 kn | — |
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| S 1–1 kn | 5 kn | — |
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| SSE 2–2 kn | 7 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.
Frequently asked
How is the weather at Coupeville right now?
As of the ECMWF IFS run 2026-08-03 12z: NE wind 1–6 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 Coupeville?
Coupeville is classed as a very small harbor (coastal natural harbor), with excellent shelter in the NGA World Port Index.