Daily forecast
as
Last update: 12:35 local time / This forecast is based on the GFS model
Friday, Sep 12
Wind
Weather
Waves
Tides
02h
7 kts
max 20 kts
14° C
1019 hpa
0.9 m
8 s
03:10
2.6
m
05h
6 kts
max 9 kts
12° C
1020 hpa
0.9 m
8 s
2.1
m
08h
6 kts
max 10 kts
14° C
1022 hpa
0.9 m
8 s
09:07
0.0
m
11h
5 kts
max 5 kts
18° C
1022 hpa
0.8 m
8 s
0.5
m
14h
7 kts
max 7 kts
19° C
1021 hpa
0.8 m
8 s
15:27
2.8
m
17h
9 kts
max 10 kts
18° C
1020 hpa
0.8 m
8 s
2.4
m
20h
6 kts
max 10 kts
14° C
1021 hpa
0.8 m
8 s
0.4
m
23h
5 kts
max 7 kts
12° C
1021 hpa
0.8 m
8 s
21:47
-0.2
m
Saturday, Sep 13
Wind
Weather
Waves
Tides
02h
4 kts
max 5 kts
12° C
1021 hpa
0.7 m
8 s
1.8
m
05h
3 kts
max 3 kts
11° C
1020 hpa
0.7 m
8 s
04:07
2.5
m
08h
5 kts
max 8 kts
14° C
1020 hpa
0.6 m
8 s
0.7
m
11h
8 kts
max 10 kts
20° C
1019 hpa
0.6 m
8 s
10:01
0.1
m
14h
11 kts
max 12 kts
20° C
1017 hpa
0.7 m
9 s
1.9
m
17h
9 kts
max 12 kts
19° C
1016 hpa
0.9 m
7 s
16:24
2.7
m
20h
7 kts
max 13 kts
0.85 mm
15° C
1016 hpa
1.0 m
5 s
1.1
m
23h
4 kts
max 7 kts
15° C
1016 hpa
0.9 m
5 s
22:48
-0.1
m
Sunday, Sep 14
Wind
Weather
Waves
Tides
02h
4 kts
max 7 kts
15° C
1015 hpa
0.8 m
6 s
1.2
m
05h
2 kts
max 2 kts
14° C
1014 hpa
0.7 m
8 s
05:11
2.3
m
08h
4 kts
max 6 kts
15° C
1014 hpa
0.6 m
9 s
1.4
m
11h
4 kts
max 5 kts
20° C
1015 hpa
0.6 m
9 s
11:02
0.2
m
14h
7 kts
max 7 kts
21° C
1015 hpa
0.6 m
9 s
1.3
m
17h
6 kts
max 7 kts
20° C
1015 hpa
0.6 m
9 s
17:27
2.6
m
20h
4 kts
max 4 kts
16° C
1016 hpa
0.6 m
9 s
1.8
m
23h
3 kts
max 3 kts
14° C
1018 hpa
0.7 m
9 s
23:54
0.0
m
Monday, Sep 15
Wind
Weather
Waves
Tides
02h
3 kts
max 3 kts
14° C
1019 hpa
0.7 m
9 s
0.6
m
05h
4 kts
max 6 kts
14° C
1020 hpa
0.7 m
8 s
06:18
2.2
m
08h
5 kts
max 9 kts
16° C
1021 hpa
0.8 m
8 s
1.9
m
11h
6 kts
max 6 kts
20° C
1022 hpa
0.8 m
8 s
12:07
0.3
m
14h
7 kts
max 8 kts
20° C
1022 hpa
0.8 m
8 s
0.7
m
17h
6 kts
max 9 kts
18° C
1022 hpa
0.8 m
8 s
2.3
m
20h
4 kts
max 5 kts
15° C
1022 hpa
0.8 m
8 s
18:35
2.6
m
23h
2 kts
max 2 kts
14° C
1023 hpa
0.8 m
8 s
0.7
m
Tuesday, Sep 16
Wind
Weather
Waves
Tides
02h
2 kts
max 2 kts
14° C
1023 hpa
0.8 m
8 s
01:04
0.1
m
05h
2 kts
max 2 kts
13° C
1023 hpa
0.8 m
8 s
1.6
m
08h
1 kts
max 1 kts
15° C
1023 hpa
0.7 m
8 s
07:29
2.2
m
11h
4 kts
max 5 kts
21° C
1023 hpa
0.7 m
8 s
1.0
m
14h
9 kts
max 9 kts
21° C
1022 hpa
0.8 m
8 s
13:17
0.4
m
17h
9 kts
max 14 kts
19° C
1021 hpa
0.8 m
8 s
1.7
m
20h
5 kts
max 9 kts
16° C
1021 hpa
0.8 m
8 s
19:46
2.5
m
23h
3 kts
max 5 kts
16° C
1021 hpa
0.7 m
7 s
1.3
m
Wednesday, Sep 17
Wind
Weather
Waves
Tides
02h
4 kts
max 4 kts
15° C
1021 hpa
0.7 m
7 s
02:15
0.1
m
05h
4 kts
max 6 kts
14° C
1020 hpa
0.7 m
7 s
1.0
m
08h
4 kts
max 6 kts
16° C
1021 hpa
0.6 m
8 s
08:39
2.2
m
11h
4 kts
max 5 kts
22° C
1020 hpa
0.6 m
8 s
1.6
m
14h
10 kts
max 10 kts
23° C
1019 hpa
0.6 m
9 s
14:28
0.3
m
17h
10 kts
max 16 kts
20° C
1019 hpa
0.7 m
9 s
1.1
m
20h
8 kts
max 18 kts
17° C
1019 hpa
0.7 m
9 s
20:55
2.6
m
23h
5 kts
max 8 kts
16° C
1020 hpa
0.7 m
8 s
2.0
m
Thursday, Sep 18
Wind
Weather
Waves
Tides
02h
4 kts
max 4 kts
15° C
1020 hpa
0.7 m
8 s
03:19
0.1
m
05h
2 kts
max 2 kts
14° C
1019 hpa
0.7 m
8 s
0.5
m
08h
2 kts
max 3 kts
16° C
1020 hpa
0.7 m
9 s
2.0
m
11h
4 kts
max 5 kts
20° C
1020 hpa
0.7 m
8 s
09:39
2.3
m
14h
7 kts
max 7 kts
20° C
1019 hpa
0.8 m
8 s
0.6
m
17h
6 kts
max 9 kts
19° C
1019 hpa
0.9 m
7 s
15:31
0.2
m
20h
4 kts
max 5 kts
16° C
1019 hpa
1.0 m
7 s
2.1
m
23h
2 kts
max 2 kts
15° C
1018 hpa
1.0 m
7 s
21:54
2.6
m
Friday, Sep 19
Wind
Weather
Waves
Tides
02h
1 kts
max 2 kts
15° C
1017 hpa
0.9 m
7 s
0.7
m
05h
4 kts
max 4 kts
14° C
1017 hpa
0.8 m
8 s
04:12
0.0
m
08h
2 kts
max 3 kts
16° C
1017 hpa
0.8 m
8 s
1.6
m
11h
2 kts
max 3 kts
18° C
1016 hpa
0.8 m
8 s
10:31
2.4
m
14h
5 kts
max 6 kts
20° C
1015 hpa
0.9 m
8 s
1.0
m
17h
6 kts
max 9 kts
19° C
1014 hpa
0.9 m
7 s
16:25
0.2
m
20h
6 kts
max 13 kts
18° C
1013 hpa
0.9 m
7 s
1.7
m
23h
6 kts
max 15 kts
18° C
1013 hpa
1.0 m
7 s
22:45
2.6
m
Saturday, Sep 20
Wind
Weather
Waves
Tides
02h
5 kts
max 14 kts
18° C
1012 hpa
1.0 m
7 s
1.2
m
05h
6 kts
max 14 kts
18° C
1011 hpa
0.9 m
7 s
04:59
0.0
m
08h
7 kts
max 17 kts
18° C
1011 hpa
0.9 m
8 s
1.2
m
11h
7 kts
max 12 kts
19° C
1011 hpa
0.9 m
8 s
11:16
2.5
m
14h
7 kts
max 11 kts
20° C
1011 hpa
0.9 m
8 s
1.4
m
17h
8 kts
max 15 kts
20° C
1010 hpa
1.0 m
8 s
17:13
0.1
m
20h
7 kts
max 15 kts
19° C
1010 hpa
1.0 m
8 s
1.2
m
23h
5 kts
max 15 kts
18° C
1010 hpa
1.0 m
9 s
23:32
2.6
m
Sunday, Sep 21
Wind
Weather
Waves
Tides
02h
4 kts
max 9 kts
18° C
1011 hpa
1.0 m
9 s
1.7
m
05h
4 kts
max 5 kts
17° C
1010 hpa
1.0 m
9 s
05:41
0.0
m
08h
4 kts
max 7 kts
17° C
1011 hpa
1.0 m
10 s
0.8
m
11h
5 kts
max 8 kts
22° C
1011 hpa
0.9 m
10 s
11:58
2.5
m
14h
6 kts
max 11 kts
23° C
1010 hpa
0.9 m
9 s
1.9
m
17h
5 kts
max 11 kts
23° C
1010 hpa
0.9 m
10 s
17:58
0.1
m
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Additional information
General
This is the wind, wave and weather forecast for Portsmouth in New Hampshire, United States of America. 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 1:00 AM, 7:00 AM, 1:00 PM and 7:00 PM Eastern Daylight 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 Portsmouth when you search for the best travel destinations for your kiteboarding, windsurfing or sailing vacations in United States of America. Or use our wind forecast to find the wind speed today in Portsmouth or to have a look at the wind direction tomorrow at Portsmouth.
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.