Sendai-Shiogama marine weather forecast
Sendai-Shiogama (JPSGM) is a port in Japan at 38°19.0′N 141°2.0′E. Today (Sep 14): NW wind 3–8 kn, waves 1.2–1.3 m, from the ECMWF IFS run 2026-09-14 00z. The live chart on this page shows current conditions and plans weather-optimized departures from this harbor.
Port facts (NGA World Port Index)| Position | 38°19.0′N 141°2.0′E |
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| UN/LOCODE | JPSGM |
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| Harbor size | Small |
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| Harbor type | Coastal natural harbor |
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| Shelter | Fair |
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| Channel depth | 6 m |
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| Anchorage depth | 11 m |
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| Tide range | 1 m |
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| Pilotage | Advisable |
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| Time zone | Asia/Tokyo |
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Facilities & services (NGA World Port Index)| Tugs | Assistance available |
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| Supplies | Diesel, water, provisions |
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| Repairs | Major (hull, machinery, electrical) |
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| Medical facilities | Available |
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10-day marine forecast — Sendai-Shiogama
| Date | Wind | Gusts | Waves |
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| NW 3–8 kn | 14 kn | 1.2–1.3 m |
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| NE 5–7 kn | 12 kn | 1.2–1.3 m |
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| NNE 5–12 kn | 19 kn | 1.0–1.2 m |
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| NE 11–14 kn | 23 kn | 1.1–1.4 m |
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| NE 11–15 kn | 19 kn | 1.6–1.7 m |
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| NNE 3–8 kn | 10 kn | 1.8–2.2 m |
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| SE 2–2 kn | 2 kn | 2.0–2.0 m |
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| SE 3–3 kn | 10 kn | 1.6–1.6 m |
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| ENE 5–5 kn | 9 kn | 1.2–1.2 m |
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| NNE 18–18 kn | 29 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.
What to watch in the forecast
Across the loaded 10-day outlook, the strongest daily modeled wind reaches 18 kn on Sep 23. The highest modeled significant wave height is 2.2 m on Sep 19. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Sendai-Shiogama right now?
As of the ECMWF IFS run 2026-09-14 00z: NW wind 3–8 kn, waves 1.2–1.3 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 Sendai-Shiogama?
Sendai-Shiogama is classed as a small harbor (coastal natural harbor), with fair shelter in the NGA World Port Index.
How deep is the approach to Sendai-Shiogama?
Per the NGA World Port Index, the entrance channel carries about 6 m and anchorage depths run about 11 m. Verify against current official charts before entry.
What restricts entry to Sendai-Shiogama?
Entry is affected by heavy swell. Check the live forecast on this page and official notices before approach.