Toba marine weather forecast
Toba (JPTOB) is a port in Japan at 34°29.0′N 136°51.0′E. Today (Sep 14): SSW wind 8–14 kn, waves 1.1–1.2 m, from the ECMWF IFS run 2026-09-14 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 | 34°29.0′N 136°51.0′E |
|---|
| UN/LOCODE | JPTOB |
|---|
| Harbor size | Small |
|---|
| Harbor type | Coastal natural harbor |
|---|
| Shelter | Fair |
|---|
| Channel depth | 8 m |
|---|
| Anchorage depth | 14 m |
|---|
| Tide range | 4 m |
|---|
| Pilotage | Compulsory |
|---|
| Time zone | Asia/Tokyo |
|---|
Facilities & services (NGA World Port Index)| Supplies | Water |
|---|
| Repairs | Emergency only |
|---|
| Medical facilities | Available |
|---|
10-day marine forecast — Toba
| Date | Wind | Gusts | Waves |
|---|
| SSW 8–14 kn | 20 kn | 1.1–1.2 m |
|---|
| W 5–10 kn | 17 kn | 1.0–1.2 m |
|---|
| NE 4–9 kn | 15 kn | 0.9–1.2 m |
|---|
| E 10–12 kn | 17 kn | 1.1–1.6 m |
|---|
| E 6–11 kn | 14 kn | 1.4–1.9 m |
|---|
| NE 2–10 kn | 13 kn | 2.3–2.7 m |
|---|
| ENE 7–18 kn | 23 kn | 2.8–3.0 m |
|---|
| ENE 21–21 kn | 32 kn | 3.5–3.5 m |
|---|
| WNW 27–27 kn | 49 kn | 3.0–3.0 m |
|---|
| NW 11–11 kn | 14 kn | 1.1–1.1 m |
|---|
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 27 kn on Sep 22. The highest modeled significant wave height is 3.5 m on Sep 21. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Toba right now?
As of the ECMWF IFS run 2026-09-14 12z: SSW wind 8–14 kn, waves 1.1–1.2 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 Toba?
Toba is classed as a small harbor (coastal natural harbor), with fair shelter in the NGA World Port Index.
How deep is the approach to Toba?
Per the NGA World Port Index, the entrance channel carries about 8 m and anchorage depths run about 14 m. Verify against current official charts before entry.
What restricts entry to Toba?
Entry is affected by heavy swell. Check the live forecast on this page and official notices before approach.