Isikari Wan — marine weather & port guide
Isikari Wan is a port in Japan at 43°14.0′N 141°22.0′E. Today (Aug 3): SSW wind 5–7 kn, waves 0.6–0.9 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 | 43°14.0′N 141°22.0′E |
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| Harbor size | Very small |
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| Harbor type | Coastal breakwater harbor |
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| Shelter | Fair |
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| Channel depth | 8 m |
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| Anchorage depth | 11 m |
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| Tide range | 0 m |
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| Pilotage | Advisable |
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| Time zone | Asia/Tokyo |
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10-day marine forecast — Isikari Wan
| Date | Wind | Gusts | Waves |
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| SSW 5–7 kn | 20 kn | 0.6–0.9 m |
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| SSW 7–9 kn | 25 kn | 0.8–0.9 m |
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| SSW 6–8 kn | 23 kn | 0.8–1.0 m |
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| SSW 4–7 kn | 20 kn | 0.8–0.9 m |
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| SSW 7–9 kn | 19 kn | 1.0–1.4 m |
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| NE 4–8 kn | 10 kn | 1.8–2.4 m |
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| NNE 4–5 kn | 6 kn | 1.2–1.4 m |
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| N 6–6 kn | 16 kn | 1.1–1.1 m |
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| N 9–9 kn | 42 kn | 3.3–3.3 m |
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| SSW 7–7 kn | 24 kn | 1.5–1.5 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 Isikari Wan right now?
As of the ECMWF IFS run 2026-08-03 12z: SSW wind 5–7 kn, waves 0.6–0.9 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 Isikari Wan?
Isikari Wan is classed as a very small harbor (coastal breakwater harbor), with fair shelter in the NGA World Port Index.
How deep is the approach to Isikari Wan?
Per the NGA World Port Index, the entrance channel carries about 8 m and anchorage depths run about 11 m. Verify against current official charts before entry.