Sendai-Shiogama marine weather forecast
Sendai-Shiogama (JPSGM) is a port in Japan at 38°19.0′N 141°2.0′E. Today (Nov 2): WNW wind 8–9 kn, waves 1.4–1.7 m, from the NOAA GFS run 2026-11-02 18z. 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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| WNW 8–9 kn | 21 kn | 1.4–1.7 m |
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| WNW 6–16 kn | 24 kn | 1.0–1.3 m |
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| WSW 5–7 kn | 13 kn | 1.0–1.1 m |
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| S 7–12 kn | 20 kn | 1.1–3.3 m |
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| W 16–22 kn | 48 kn | 2.2–2.6 m |
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| WNW 18–18 kn | 37 kn | 1.3–1.9 m |
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| SSW 7–7 kn | 10 kn | 0.8–1.1 m |
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| WSW 5–5 kn | 5 kn | 0.5–0.5 m |
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| W 7–7 kn | 7 kn | 0.7–0.7 m |
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| WNW 10–10 kn | 18 kn | 0.8–0.8 m |
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Forecast from the NOAA GFS 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 22 kn on Nov 6. The highest modeled significant wave height is 3.3 m on Nov 5. 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 NOAA GFS run 2026-11-02 18z: WNW wind 8–9 kn, waves 1.4–1.7 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.