Wind in Isumi
Hourly forecast for 7 days · updated today, Thursday, October 29, at 11:22 am (GMT+9)- Gusts
- 14 mph
- Beaufort scale
- 2 · light breeze
- Today's peak
- 8 mph at 9:00 am
- In knots
- 5 kn
Today the wind in Isumi is a light breeze from the northeast: 0 mph to 8 mph, peaking at 9:00 am with gusts of 17 mph. The windiest day of the week is Monday 2: up to 21 mph from the southwest, with gusts of 43 mph.
Wind for the next 7 days, hour by hour
Arrows point where the wind blows to, every 12 hours. Each hour comes from the best model covering this spot: regional ones first (HRRR and NBM in the U.S., AROME, ICON-EU), then ECMWF and GFS.
- Today, Thu 29 0–8 mph · gusts 17 NNE · Beaufort 3
- Fri 30 1–11 mph · gusts 21 SSW · Beaufort 3
- Sat 31 1–13 mph · gusts 26 W · Beaufort 4
- Sun 1 1–7 mph · gusts 22 NE · Beaufort 2
- Mon 2 1–21 mph · gusts 43 SW · Beaufort 5
- Tue 3 4–14 mph · gusts 39 NNE · Beaufort 4
- Wed 4 9–12 mph · gusts 29 NNE · Beaufort 4
Every 3 hours
| Time | 12:00 am | 3:00 am | 6:00 am | 9:00 am | 12:00 pm | 3:00 pm | 6:00 pm | 9:00 pm |
|---|---|---|---|---|---|---|---|---|
| Wind (mph) | 7 | 6 | 7 | 8 | 4 | 2 | 1 | 3 |
| Gusts | 13 | 11 | 14 | 17 | 13 | 9 | 3 | 5 |
| Direction | N | N | N | ENE | NE | ENE | N | SSE |
| Beaufort | 2 | 2 | 2 | 3 | 2 | 1 | 1 | 1 |
| Model | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF |
| Time | 12:00 am | 3:00 am | 6:00 am | 9:00 am | 12:00 pm | 3:00 pm | 6:00 pm | 9:00 pm |
|---|---|---|---|---|---|---|---|---|
| Wind (mph) | 3 | 3 | 2 | 2 | 7 | 9 | 8 | 8 |
| Gusts | 10 | 9 | 10 | 9 | 20 | 19 | 14 | 15 |
| Direction | W | NNW | SSW | S | S | S | SSW | SW |
| Beaufort | 1 | 1 | 1 | 1 | 2 | 3 | 3 | 3 |
| Model | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF |
| Time | 12:00 am | 3:00 am | 6:00 am | 9:00 am | 12:00 pm | 3:00 pm | 6:00 pm | 9:00 pm |
|---|---|---|---|---|---|---|---|---|
| Wind (mph) | 12 | 13 | 10 | 5 | 5 | 2 | 1 | 7 |
| Gusts | 23 | 26 | 21 | 14 | 17 | 8 | 2 | 12 |
| Direction | SW | SW | WSW | NW | NNE | NNW | W | NNW |
| Beaufort | 3 | 4 | 3 | 2 | 2 | 1 | 1 | 2 |
| Model | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF |
| Time | 12:00 am | 3:00 am | 6:00 am | 9:00 am | 12:00 pm | 3:00 pm | 6:00 pm | 9:00 pm |
|---|---|---|---|---|---|---|---|---|
| Wind (mph) | 6 | 6 | 4 | 7 | 6 | 6 | 5 | 2 |
| Gusts | 13 | 10 | 8 | 16 | 17 | 13 | 8 | 5 |
| Direction | N | N | N | NNE | NE | E | E | ESE |
| Beaufort | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Model | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF |
Do the models agree on the wind?
Medium confidenceThey roughly agree; there's more spread in the wind today.
What 4 forecast models say for the next few days. The closer they are, the more reliable the forecast.
| Wind (mph) | Today | Fri 30 | Sat 31 | Sun 1 | Mon 2 | Tue 3 | Wed 4 |
|---|---|---|---|---|---|---|---|
| ECMWF | 817 | 1121 | 1326 | 722 | 2143 | 1439 | 1229 |
| AIFS | 9 | 7 | 9 | 6 | 6 | 7 | 10 |
| GFS | 1516 | 1625 | 1825 | 1619 | 3138 | 2118 | 2223 |
| ICON | 1321 | 611 | 713 | 815 | 2136 | 1220 | 1528 |
| Confidence | medium | medium | medium | medium | low | low | medium |
Each model's day runs midnight to midnight local time; models that reach fewer days are left blank. Rain: daily total. Wind: the day's highest average wind and, in small type, the strongest gust. Highlighted: values that stand out from the rest. The chance of rain comes from many runs of the same model with slightly different starting data.
Onshore or offshore wind?
Today, from the northeast: cross-onshore. A bit more surf at the shore and drift along the coast, toward land.
On Monday 2, from the southwest: cross-offshore.
The coast here faces east. We work it out from the OpenStreetMap coastline.
How to read the Beaufort scale
| Force | Name | mph | At sea |
|---|---|---|---|
| 1 | Light air | 1–3 | Ripples, no foam |
| 2 | Light breeze · today | 4–7 | Small wavelets |
| 3 | Gentle breeze | 8–12 | Scattered whitecaps |
| 4 | Moderate breeze | 13–18 | Frequent whitecaps |
| 5 | Fresh breeze · week peak | 19–24 | Moderate waves, many whitecaps |
| 6 | Strong breeze | 25–31 | Large waves, foam crests |
Questions about the wind in IsumiQuestions
What's the wind like today in Isumi?
Light breeze from the northeast: 5 mph now, peaking at 8 mph at 9:00 am with gusts of 17 mph.
Which day is windiest this week?
Monday 2: up to 21 mph from the southwest, with gusts of 43 mph.
Is it a good day to go fishing by boat?
Today the wind is light breeze and waves are 3.8 ft. On Monday 2, with gusts of 43 mph, take extra care. Always check official warnings before heading out.
Is today's wind onshore or offshore?
Cross-onshore: the coast faces east.
More about Isumi today
Wind near Isumi
- Onjuku 5 mph NE · 4.0 mi
- Ushigome 7 mph ENE · 16 mi
- Kamogawa 4 mph NNE · 19 mi
- Sodegaura 4 mph NNE · 25 mi
- Kimitsu 4 mph NNE · 31 mi
- Kemigawa 4 mph N · 35 mi
Only places with a different forecast: spots a few miles apart share the same model cell and wouldn't add anything.
Learn more
Wind: Open-Meteo, CC BY 4.0, with the best model for each spot and lead time (NOAA HRRR and NBM in the U.S., Météo-France AROME, DWD ICON-EU, ECMWF IFS and NOAA GFS; the table shows each hour's model); offshore, ECMWF and GFS at the nearest sea grid point, 5.5 mi away. Coast orientation: © OpenStreetMap contributors.
Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 11:22 am (local time).
Spotted a mistake? Tell us · Where the weather and sea data come from