Daily forecast
as
Last update: 07:37 local time / This forecast is based on the GFS model
Wednesday, Jan 21
Wind
Weather
Waves
Tides
00h
18 kts
max 19 kts
5° C
1011 hpa
0.8 m
7 s
00:19
0.1
m
03h
15 kts
max 15 kts
5° C
1011 hpa
0.7 m
7 s
0.6
m
06h
15 kts
max 15 kts
4° C
1012 hpa
0.6 m
9 s
07:10
1.5
m
09h
13 kts
max 13 kts
5° C
1012 hpa
0.6 m
10 s
1.3
m
12h
7 kts
max 7 kts
5° C
1010 hpa
0.5 m
10 s
12:37
0.8
m
15h
3 kts
max 4 kts
5° C
1008 hpa
0.5 m
10 s
1.0
m
18h
4 kts
max 4 kts
3° C
1009 hpa
0.5 m
10 s
18:06
1.5
m
21h
2 kts
max 5 kts
0.46 mm
4° C
1008 hpa
0.6 m
9 s
1.0
m
Thursday, Jan 22
Wind
Weather
Waves
Tides
00h
13 kts
max 18 kts
6° C
1006 hpa
1.1 m
8 s
00:52
0.2
m
03h
13 kts
max 17 kts
4° C
1007 hpa
1.0 m
8 s
0.5
m
06h
13 kts
max 14 kts
3° C
1008 hpa
0.9 m
9 s
1.3
m
09h
14 kts
max 14 kts
4° C
1010 hpa
0.8 m
9 s
07:34
1.4
m
12h
8 kts
max 8 kts
5° C
1010 hpa
0.8 m
10 s
13:14
0.7
m
15h
3 kts
max 4 kts
5° C
1011 hpa
0.7 m
10 s
0.9
m
18h
4 kts
max 4 kts
4° C
1013 hpa
0.8 m
9 s
18:49
1.4
m
21h
8 kts
max 9 kts
4° C
1014 hpa
0.9 m
9 s
1.2
m
Friday, Jan 23
Wind
Weather
Waves
Tides
00h
8 kts
max 8 kts
3° C
1014 hpa
0.8 m
9 s
01:23
0.3
m
03h
4 kts
max 4 kts
2° C
1015 hpa
0.7 m
9 s
0.5
m
06h
3 kts
max 3 kts
3° C
1016 hpa
0.7 m
9 s
1.2
m
09h
3 kts
max 3 kts
5° C
1017 hpa
0.7 m
9 s
07:59
1.4
m
12h
2 kts
max 2 kts
6° C
1016 hpa
0.6 m
9 s
0.8
m
15h
3 kts
max 4 kts
6° C
1015 hpa
0.6 m
8 s
13:53
0.7
m
18h
3 kts
max 6 kts
6° C
1016 hpa
0.8 m
8 s
1.2
m
21h
4 kts
max 7 kts
6° C
1015 hpa
1.2 m
8 s
19:35
1.3
m
Saturday, Jan 24
Wind
Weather
Waves
Tides
00h
13 kts
max 16 kts
6° C
1015 hpa
1.4 m
8 s
0.6
m
03h
16 kts
max 19 kts
6° C
1013 hpa
1.6 m
7 s
01:53
0.4
m
06h
16 kts
max 18 kts
6° C
1014 hpa
1.8 m
7 s
1.1
m
09h
22 kts
max 25 kts
8° C
1013 hpa
2.0 m
7 s
08:24
1.4
m
12h
26 kts
max 31 kts
9° C
1010 hpa
2.1 m
7 s
0.9
m
15h
27 kts
max 33 kts
10° C
1007 hpa
2.3 m
7 s
14:38
0.6
m
18h
27 kts
max 29 kts
8° C
1008 hpa
2.2 m
7 s
1.0
m
21h
17 kts
max 18 kts
7° C
1008 hpa
1.7 m
8 s
20:27
1.2
m
Sunday, Jan 25
Wind
Weather
Waves
Tides
00h
16 kts
max 18 kts
6° C
1009 hpa
1.3 m
8 s
0.8
m
03h
16 kts
max 20 kts
5° C
1011 hpa
1.1 m
9 s
02:23
0.6
m
06h
9 kts
max 12 kts
4° C
1012 hpa
0.9 m
9 s
1.1
m
09h
11 kts
max 11 kts
6° C
1014 hpa
0.9 m
9 s
08:51
1.4
m
12h
7 kts
max 7 kts
6° C
1013 hpa
0.8 m
9 s
1.0
m
15h
4 kts
max 5 kts
6° C
1013 hpa
0.7 m
9 s
15:33
0.6
m
18h
10 kts
max 12 kts
6° C
1015 hpa
0.8 m
9 s
0.8
m
21h
15 kts
max 16 kts
5° C
1017 hpa
0.8 m
9 s
21:36
1.1
m
Monday, Jan 26
Wind
Weather
Waves
Tides
00h
15 kts
max 17 kts
4° C
1018 hpa
0.7 m
9 s
1.0
m
03h
14 kts
max 15 kts
4° C
1019 hpa
0.6 m
9 s
02:51
0.8
m
06h
13 kts
max 15 kts
4° C
1021 hpa
0.5 m
8 s
1.0
m
09h
12 kts
max 12 kts
5° C
1022 hpa
0.4 m
7 s
09:21
1.4
m
12h
7 kts
max 7 kts
6° C
1021 hpa
0.3 m
8 s
1.1
m
15h
1 kts
max 3 kts
6° C
1021 hpa
0.3 m
8 s
0.6
m
18h
2 kts
max 2 kts
6° C
1021 hpa
0.2 m
9 s
16:43
0.6
m
21h
3 kts
max 3 kts
6° C
1020 hpa
0.2 m
9 s
0.9
m
Tuesday, Jan 27
Wind
Weather
Waves
Tides
00h
3 kts
max 4 kts
5° C
1019 hpa
0.2 m
8 s
23:31
1.0
m
03h
2 kts
max 5 kts
6° C
1017 hpa
0.3 m
8 s
03:18
0.9
m
06h
4 kts
max 5 kts
6° C
1016 hpa
0.3 m
7 s
1.0
m
09h
5 kts
max 5 kts
6° C
1016 hpa
0.3 m
7 s
09:58
1.3
m
12h
8 kts
max 8 kts
6° C
1013 hpa
0.4 m
7 s
1.2
m
15h
8 kts
max 8 kts
6° C
1012 hpa
0.4 m
8 s
0.8
m
18h
8 kts
max 10 kts
6° C
1012 hpa
0.5 m
8 s
18:10
0.5
m
21h
7 kts
max 10 kts
7° C
1012 hpa
0.6 m
8 s
0.7
m
Wednesday, Jan 28
Wind
Weather
Waves
Tides
00h
10 kts
max 11 kts
7° C
1011 hpa
0.5 m
8 s
1.0
m
03h
11 kts
max 13 kts
7° C
1011 hpa
0.5 m
7 s
1.1
m
06h
11 kts
max 13 kts
6° C
1012 hpa
0.6 m
7 s
1.1
m
09h
8 kts
max 10 kts
6° C
1013 hpa
0.5 m
7 s
1.2
m
12h
7 kts
max 7 kts
7° C
1011 hpa
0.5 m
7 s
10:52
1.3
m
15h
5 kts
max 5 kts
0.46 mm
6° C
1011 hpa
0.5 m
8 s
0.9
m
18h
4 kts
max 5 kts
1.01 mm
5° C
1013 hpa
0.5 m
8 s
0.5
m
21h
11 kts
max 11 kts
0.41 mm
6° C
1013 hpa
0.7 m
8 s
19:34
0.4
m
Thursday, Jan 29
Wind
Weather
Waves
Tides
00h
15 kts
max 15 kts
6° C
1013 hpa
0.8 m
8 s
0.9
m
03h
8 kts
max 8 kts
4° C
1014 hpa
0.8 m
8 s
04:14
1.2
m
06h
9 kts
max 9 kts
4° C
1014 hpa
0.7 m
8 s
07:27
1.2
m
09h
16 kts
max 20 kts
6° C
1015 hpa
0.7 m
8 s
1.2
m
12h
14 kts
max 16 kts
7° C
1015 hpa
0.6 m
9 s
12:15
1.3
m
15h
6 kts
max 9 kts
8° C
1015 hpa
0.6 m
8 s
1.1
m
18h
8 kts
max 8 kts
7° C
1017 hpa
0.6 m
8 s
0.5
m
21h
12 kts
max 12 kts
5° C
1018 hpa
0.7 m
8 s
20:38
0.3
m
Friday, Jan 30
Wind
Weather
Waves
Tides
00h
12 kts
max 12 kts
4° C
1018 hpa
0.7 m
8 s
0.7
m
03h
10 kts
max 10 kts
3° C
1018 hpa
0.6 m
8 s
1.2
m
06h
8 kts
max 8 kts
3° C
1018 hpa
0.6 m
7 s
04:39
1.3
m
09h
5 kts
max 5 kts
4° C
1019 hpa
0.5 m
8 s
09:06
1.1
m
12h
2 kts
max 4 kts
5° C
1017 hpa
0.5 m
8 s
1.3
m
15h
1 kts
max 4 kts
6° C
1016 hpa
0.4 m
8 s
13:38
1.3
m
18h
4 kts
max 6 kts
5° C
1017 hpa
0.4 m
8 s
0.7
m
21h
18 kts
max 20 kts
5° C
1019 hpa
0.5 m
8 s
21:27
0.2
m
Nearby spots (within 25 km)
-
Iwaihukuro, Tiba2kmTide forecastWave forecast
-
Hunakata, Tiba7kmTide forecastWave forecast
-
Tateyama12kmWeather stationTide forecastWave forecastLive measurements
-
Tateyama, Tiba12kmTide forecastWave forecast
-
Tateyama12kmTide forecastWave forecast
-
Makuti, Kanagawa16kmTide forecastWave forecast
-
Wada17kmTide forecastWave forecast
Find more spots like this
Look at our wind map to find more spots among our 160,000 spots.
Find spot or weather stationIwai popularity
Most popular spots in Japan
Have a look at the top kitesurfing, windsurfing, sailing, surfing or fishing spots in Japan
Most visited spots in JapanMost visited spots worldwide
Additional information
General
This is the wind, wave and weather forecast for Iwai in Chiba, Japan. Windfinder specializes in wind, waves, tides and weather reports & forecasts for wind related sports like kitesurfing, windsurfing, surfing, sailing, fishing or paragliding.
Forecast
This forecast is based on the GFS model. Forecasts are available worldwide. The horizontal resolution is about 13 km. Forecasts are computed 4 times a day, at about 2:00 PM, 8:00 PM, 2:00 AM and 8:00 AM Japan Standard Time. Predictions are available in time steps of 3 hours for up to 10 days into the future. The arrows point in the direction in which the wind is blowing.Check the wind forecast for Iwai when you search for the best travel destinations for your kiteboarding, windsurfing or sailing vacations in Japan. Or use our wind forecast to find the wind speed today in Iwai or to have a look at the wind direction tomorrow at Iwai.
Severe Weather Warnings
When a severe weather warning or advisory is provided by the local meteorological institute, we display it as a banner above the wind forecast.The weather warning, for example a high wind warning, can help you prepare for dangerous weather conditions and avoid weather-related risks. The color scale indicates the intensity of the predicted weather event. For more details click or tap on the warning. General information about severe weather warnings can be found in our help section.
Please be aware that severe weather may occur without a prior severe weather warning being reported.
Units
We use knots and degrees Celsius as our default units. These units are often used by sailors, kiters, surfers, windsurfers and paragliders. Use website settings to switch between units and 7 different languages at any time. For converting between wind speed units such as knots, km/h (kilometers per hour), m/s (meters per second), and mph (miles per hour) use our wind speed calculator.