Prudhoe Bay (USSCC) — marine weather & port guide
Prudhoe Bay is a port in United States at 70°17.0′N 148°40.0′W. Today (Aug 3): E wind 7–16 kn, waves 0.1–0.6 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 | 70°17.0′N 148°40.0′W |
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| UN/LOCODE | USSCC |
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| Harbor size | Very small |
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| Harbor type | Coastal natural harbor |
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| Shelter | Poor |
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| Anchorage depth | 2 m |
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| Tide range | 0 m |
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| Time zone | America/Anchorage |
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10-day marine forecast — Prudhoe Bay
| Date | Wind | Gusts | Waves |
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| E 7–16 kn | 21 kn | 0.1–0.6 m |
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| E 9–18 kn | 24 kn | 0.3–0.8 m |
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| ESE 11–15 kn | 19 kn | 0.3–0.6 m |
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| E 9–14 kn | 18 kn | 0.3–0.5 m |
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| ESE 6–12 kn | 16 kn | 0.1–0.2 m |
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| WSW 8–16 kn | 20 kn | 0.2–0.4 m |
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| WNW 15–16 kn | 20 kn | 0.4–0.5 m |
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| SE 8–8 kn | 10 kn | 0.2–0.2 m |
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| SE 8–8 kn | 13 kn | 0.2–0.2 m |
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| SE 7–7 kn | 12 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.
Frequently asked
How is the weather at Prudhoe Bay right now?
As of the ECMWF IFS run 2026-08-03 12z: E wind 7–16 kn, waves 0.1–0.6 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 Prudhoe Bay?
Prudhoe Bay is classed as a very small harbor (coastal natural harbor), with poor shelter in the NGA World Port Index.
How deep is the approach to Prudhoe Bay?
Per the NGA World Port Index, anchorage depths run about 2 m. Verify against current official charts before entry.
What restricts entry to Prudhoe Bay?
Entry is affected by ice. Check the live forecast on this page and official notices before approach.