Wind in Portsmouth
Hourly forecast for 7 days · updated today, Thursday, October 29, at 8:11 am (EDT)- Gusts
- 15 mph
- Beaufort scale
- 2 · light breeze
- Today's peak
- 13 mph at 3:00 pm
- In knots
- 4 kn
Today the wind in Portsmouth is a light breeze from the south-southwest: 3 mph to 13 mph, peaking at 3:00 pm with gusts of 26 mph. No strong wind for the rest of the week.
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 3–13 mph · gusts 26 SW · Beaufort 4
- Fri 30 6–13 mph · gusts 20 WNW · Beaufort 4
- Sat 31 1–10 mph · gusts 17 NNW · Beaufort 3
- Sun 1 1–6 mph · gusts 9 WSW · Beaufort 2
- Mon 2 3–9 mph · gusts 13 WSW · Beaufort 3
- Tue 3 2–8 mph · gusts 12 NE · Beaufort 3
- Wed 4 4–10 mph · gusts 15 ESE · Beaufort 3
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) | 3 | 5 | 3 | 4 | 12 | 13 | 9 | 8 |
| Gusts | 5 | 11 | 5 | 16 | 19 | 20 | 24 | 26 |
| Direction | SW | SSW | SW | SSW | SW | SW | SW | SW |
| Beaufort | 1 | 2 | 1 | 2 | 3 | 4 | 3 | 3 |
| Model | HRRR | HRRR | HRRR | HRRR | HRRR | HRRR | HRRR | HRRR |
| 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 | 7 | 7 | 7 | 10 | 13 | 12 | 9 |
| Gusts | 18 | 15 | 13 | 12 | 15 | 19 | 18 | 16 |
| Direction | SW | SW | WSW | W | WNW | WNW | NW | NW |
| Beaufort | 2 | 2 | 2 | 2 | 3 | 4 | 3 | 3 |
| Model | HRRR | NBM | NBM | NBM | NBM | NBM | NBM | NBM |
| 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 | 7 | 9 | 10 | 9 | 6 | 3 | 1 |
| Gusts | 15 | 15 | 16 | 17 | 14 | 9 | 5 | 4 |
| Direction | NW | NW | NNW | NNW | N | NNW | NNW | NNW |
| Beaufort | 2 | 2 | 3 | 3 | 3 | 2 | 1 | 1 |
| Model | NBM | NBM | NBM | NBM | NBM | NBM | NBM | NBM |
| 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) | 1 | 1 | 2 | 3 | 5 | 6 | 5 | 3 |
| Gusts | 3 | 3 | 3 | 5 | 8 | 9 | 9 | 7 |
| Direction | NNW | NNW | NW | W | WSW | SW | WSW | WSW |
| Beaufort | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 |
| Model | NBM | NBM | NBM | NBM | NBM | NBM | NBM | NBM |
Do the models agree on the wind?
High confidenceThe models agree on the wind for the next few days.
What 6 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 | 1223 | 1325 | 1123 | 422 | 1119 | 1021 | 717 |
| AIFS | 11 | 12 | 10 | 6 | 9 | 9 | 9 |
| GFS | 1429 | 1931 | 1427 | 917 | 1323 | 1120 | 1119 |
| ICON | 1125 | 1126 | 1127 | 617 | 819 | 513 | 718 |
| HRRR | 1326 | 1630 | — | — | — | — | — |
| NBM | 1218 | 1319 | 1017 | 69 | 913 | 812 | 1015 |
| Confidence | high | high | high | high | high | high | high |
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 south-southwest: cross-onshore. A bit more surf at the shore and drift along the coast, toward land.
On Friday 30, from the west-northwest: cross-offshore.
The coast here faces south. 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 · week peak | 13–18 | Frequent whitecaps |
| 5 | Fresh breeze | 19–24 | Moderate waves, many whitecaps |
| 6 | Strong breeze | 25–31 | Large waves, foam crests |
Questions about the wind in PortsmouthQuestions
What's the wind like today in Portsmouth?
Light breeze from the south-southwest: 4 mph now, peaking at 13 mph at 3:00 pm with gusts of 26 mph.
Which day is windiest this week?
Friday 30: up to 13 mph from the west-northwest, with gusts of 20 mph.
Is it a good day to go fishing by boat?
Today the wind is light breeze and waves are 0.7 ft. No strong gusts expected this week. Always check official warnings before heading out.
Is today's wind onshore or offshore?
Cross-onshore: the coast faces south.
More about Portsmouth today
Wind near Portsmouth
- Tiverton 5 mph S · 2.5 mi
- Head of Westport 4 mph SW · 9.8 mi
- Potowomut 6 mph SW · 9.8 mi
- North Kingstown 5 mph SW · 12 mi
- Dighton 3 mph SSW · 16 mi
- Pawtucket 2 mph SSW · 20 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, 7.1 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 8:11 am (local time).
Spotted a mistake? Tell us · Where the weather and sea data come from