Daily forecast
as
Last update: 13:38 local time / This forecast is based on the GFS model
Wednesday, Dec 24
Wind
Weather
Waves
Tides
00h
7 kts
max 8 kts
10° C
1024 hpa
0.7 m
8 s
01:12
0.2
m
03h
5 kts
max 9 kts
1.63 mm
11° C
1021 hpa
0.7 m
8 s
0.4
m
06h
2 kts
max 10 kts
1.41 mm
12° C
1020 hpa
0.8 m
8 s
1.2
m
09h
6 kts
max 20 kts
3.67 mm
14° C
1017 hpa
1.3 m
6 s
08:26
1.4
m
12h
2 kts
max 18 kts
16.75 mm
13° C
1013 hpa
1.7 m
7 s
1.1
m
15h
8 kts
max 8 kts
15.72 mm
11° C
1011 hpa
2.1 m
8 s
13:38
1.0
m
18h
6 kts
max 6 kts
2.05 mm
12° C
1012 hpa
2.2 m
8 s
18:42
1.4
m
21h
5 kts
max 5 kts
0.56 mm
12° C
1010 hpa
2.2 m
8 s
1.2
m
Thursday, Dec 25
Wind
Weather
Waves
Tides
00h
2 kts
max 3 kts
12° C
1008 hpa
2.1 m
8 s
0.5
m
03h
5 kts
max 9 kts
14° C
1007 hpa
1.9 m
8 s
01:51
0.3
m
06h
9 kts
max 14 kts
16° C
1005 hpa
1.8 m
8 s
1.0
m
09h
3 kts
max 8 kts
16° C
1004 hpa
1.7 m
8 s
09:01
1.4
m
12h
4 kts
max 5 kts
1.29 mm
15° C
1000 hpa
1.6 m
8 s
1.2
m
15h
4 kts
max 11 kts
15° C
999 hpa
1.6 m
8 s
14:31
1.0
m
18h
8 kts
max 13 kts
15° C
998 hpa
1.7 m
8 s
1.2
m
21h
9 kts
max 10 kts
1.05 mm
13° C
997 hpa
1.9 m
8 s
19:35
1.3
m
Friday, Dec 26
Wind
Weather
Waves
Tides
00h
4 kts
max 5 kts
13° C
995 hpa
2.0 m
8 s
0.7
m
03h
23 kts
max 34 kts
14° C
994 hpa
2.7 m
8 s
02:31
0.4
m
06h
30 kts
max 35 kts
10° C
994 hpa
3.4 m
8 s
0.9
m
09h
16 kts
max 24 kts
0.41 mm
11° C
999 hpa
2.7 m
8 s
09:37
1.4
m
12h
18 kts
max 20 kts
10° C
1003 hpa
1.7 m
9 s
1.2
m
15h
18 kts
max 18 kts
8° C
1006 hpa
1.4 m
10 s
15:32
0.9
m
18h
14 kts
max 15 kts
6° C
1011 hpa
1.4 m
10 s
1.0
m
21h
13 kts
max 14 kts
5° C
1014 hpa
1.2 m
10 s
20:41
1.2
m
Saturday, Dec 27
Wind
Weather
Waves
Tides
00h
11 kts
max 12 kts
4° C
1015 hpa
1.0 m
10 s
0.9
m
03h
9 kts
max 10 kts
4° C
1016 hpa
0.8 m
9 s
03:14
0.6
m
06h
9 kts
max 10 kts
4° C
1018 hpa
0.8 m
9 s
0.8
m
09h
9 kts
max 9 kts
5° C
1020 hpa
0.7 m
9 s
10:15
1.4
m
12h
6 kts
max 6 kts
6° C
1019 hpa
0.6 m
9 s
1.3
m
15h
2 kts
max 2 kts
6° C
1019 hpa
0.6 m
9 s
0.9
m
18h
3 kts
max 4 kts
6° C
1019 hpa
0.7 m
9 s
16:43
0.8
m
21h
3 kts
max 3 kts
6° C
1019 hpa
0.7 m
9 s
22:09
1.1
m
Sunday, Dec 28
Wind
Weather
Waves
Tides
00h
3 kts
max 3 kts
6° C
1018 hpa
0.7 m
9 s
1.0
m
03h
7 kts
max 7 kts
6° C
1018 hpa
0.6 m
8 s
04:04
0.7
m
06h
9 kts
max 9 kts
6° C
1020 hpa
0.6 m
8 s
0.8
m
09h
8 kts
max 10 kts
7° C
1022 hpa
0.6 m
8 s
1.2
m
12h
8 kts
max 8 kts
9° C
1021 hpa
0.5 m
8 s
10:55
1.4
m
15h
6 kts
max 7 kts
10° C
1021 hpa
0.5 m
8 s
0.9
m
18h
5 kts
max 6 kts
9° C
1023 hpa
0.5 m
8 s
17:58
0.7
m
21h
4 kts
max 5 kts
9° C
1024 hpa
0.5 m
9 s
0.9
m
Monday, Dec 29
Wind
Weather
Waves
Tides
00h
4 kts
max 4 kts
9° C
1024 hpa
0.5 m
9 s
00:06
1.1
m
03h
4 kts
max 4 kts
10° C
1023 hpa
0.5 m
9 s
1.0
m
06h
4 kts
max 5 kts
10° C
1023 hpa
0.5 m
9 s
05:05
0.9
m
09h
4 kts
max 5 kts
11° C
1023 hpa
0.6 m
9 s
1.2
m
12h
2 kts
max 5 kts
11° C
1021 hpa
0.7 m
8 s
11:39
1.4
m
15h
1 kts
max 5 kts
2.52 mm
10° C
1019 hpa
0.8 m
8 s
1.0
m
18h
7 kts
max 10 kts
11° C
1019 hpa
0.9 m
7 s
19:05
0.6
m
21h
18 kts
max 24 kts
13° C
1017 hpa
1.1 m
6 s
0.7
m
Tuesday, Dec 30
Wind
Weather
Waves
Tides
00h
23 kts
max 31 kts
13° C
1016 hpa
1.2 m
6 s
1.0
m
03h
21 kts
max 29 kts
14° C
1015 hpa
1.2 m
6 s
02:02
1.1
m
06h
18 kts
max 24 kts
13° C
1014 hpa
1.1 m
6 s
06:23
1.0
m
09h
7 kts
max 11 kts
12° C
1015 hpa
1.0 m
6 s
1.1
m
12h
5 kts
max 6 kts
13° C
1013 hpa
1.0 m
7 s
12:25
1.4
m
15h
2 kts
max 3 kts
13° C
1013 hpa
1.0 m
7 s
1.2
m
18h
4 kts
max 4 kts
12° C
1013 hpa
1.0 m
7 s
0.6
m
21h
0 kts
max 3 kts
12° C
1012 hpa
1.0 m
7 s
20:02
0.4
m
Wednesday, Dec 31
Wind
Weather
Waves
Tides
00h
3 kts
max 5 kts
12° C
1011 hpa
0.9 m
7 s
0.9
m
03h
5 kts
max 5 kts
11° C
1010 hpa
0.8 m
7 s
03:25
1.2
m
06h
5 kts
max 5 kts
10° C
1010 hpa
0.8 m
7 s
1.1
m
09h
4 kts
max 5 kts
10° C
1010 hpa
0.7 m
7 s
07:43
1.1
m
12h
9 kts
max 13 kts
11° C
1007 hpa
0.7 m
7 s
13:12
1.4
m
15h
6 kts
max 9 kts
12° C
1006 hpa
0.7 m
7 s
1.3
m
18h
7 kts
max 7 kts
10° C
1008 hpa
0.7 m
8 s
0.6
m
21h
10 kts
max 14 kts
10° C
1009 hpa
0.8 m
8 s
20:52
0.3
m
Thursday, Jan 01
Wind
Weather
Waves
Tides
00h
14 kts
max 17 kts
8° C
1010 hpa
0.8 m
8 s
0.7
m
03h
13 kts
max 16 kts
8° C
1011 hpa
0.8 m
8 s
04:21
1.3
m
06h
11 kts
max 14 kts
8° C
1012 hpa
0.8 m
8 s
1.2
m
09h
9 kts
max 10 kts
8° C
1014 hpa
0.8 m
9 s
08:42
1.1
m
12h
2 kts
max 2 kts
9° C
1013 hpa
0.7 m
9 s
1.3
m
15h
1 kts
max 3 kts
9° C
1012 hpa
0.7 m
9 s
13:58
1.4
m
18h
6 kts
max 9 kts
10° C
1012 hpa
0.8 m
9 s
0.8
m
21h
14 kts
max 16 kts
12° C
1011 hpa
0.8 m
9 s
21:36
0.2
m
Friday, Jan 02
Wind
Weather
Waves
Tides
00h
13 kts
max 17 kts
11° C
1010 hpa
0.9 m
9 s
0.5
m
03h
10 kts
max 14 kts
10° C
1009 hpa
0.9 m
9 s
1.2
m
06h
7 kts
max 12 kts
9° C
1010 hpa
1.0 m
9 s
05:06
1.4
m
09h
5 kts
max 8 kts
10° C
1011 hpa
1.1 m
9 s
09:46
1.1
m
12h
6 kts
max 9 kts
11° C
1010 hpa
1.1 m
9 s
1.2
m
15h
4 kts
max 6 kts
11° C
1009 hpa
1.2 m
9 s
14:46
1.5
m
18h
3 kts
max 3 kts
10° C
1010 hpa
1.2 m
9 s
1.0
m
21h
3 kts
max 5 kts
10° C
1010 hpa
1.1 m
9 s
22:17
0.1
m
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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.