Wind in South Portland
Hourly forecast for 7 days · updated today, Wednesday, October 28, at 5:58 pm (EDT)- Gusts
- 16 mph
- Beaufort scale
- 2 · light breeze
- Today's peak
- 9 mph at 1:00 am
- In knots
- 6 kn
Today the wind in South Portland is a light breeze from the south-southwest: 1 mph to 9 mph, peaking at 1:00 am with gusts of 21 mph. The windiest day of the week is Friday 30: up to 13 mph from the west, with gusts of 20 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, Wed 28 1–9 mph · gusts 21 WSW · Beaufort 3
- Thu 29 7–12 mph · gusts 20 SW · Beaufort 3
- Fri 30 8–13 mph · gusts 20 W · Beaufort 4
- Sat 31 2–11 mph · gusts 17 NW · Beaufort 3
- Sun 1 1–7 mph · gusts 10 WSW · Beaufort 2
- Mon 2 2–7 mph · gusts 10 WSW · Beaufort 2
- Tue 3 2–7 mph · gusts 10 E · Beaufort 2
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) | 9 | 7 | 3 | 3 | 3 | 7 | 7 | 7 |
| Gusts | 19 | 13 | 6 | 4 | 5 | 9 | 16 | 19 |
| Direction | NNE | N | NW | WNW | SSW | S | SSW | SW |
| Beaufort | 3 | 2 | 1 | 1 | 1 | 2 | 2 | 2 |
| 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) | 8 | 8 | 8 | 9 | 10 | 12 | 12 | 10 |
| Gusts | 18 | 18 | 19 | 20 | 15 | 18 | 19 | 17 |
| Direction | SW | SW | SW | SW | SSW | SSW | SSW | SW |
| Beaufort | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Model | HRRR | HRRR | HRRR | HRRR | 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) | 9 | 8 | 8 | 8 | 10 | 13 | 12 | 9 |
| Gusts | 16 | 15 | 14 | 13 | 15 | 19 | 19 | 15 |
| Direction | SW | SW | WSW | W | WNW | WNW | WNW | WNW |
| Beaufort | 3 | 3 | 3 | 3 | 3 | 4 | 3 | 3 |
| 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) | 8 | 8 | 9 | 10 | 11 | 8 | 4 | 2 |
| Gusts | 14 | 14 | 15 | 16 | 16 | 12 | 7 | 5 |
| Direction | NW | NW | NW | NNW | NW | NW | NW | NW |
| Beaufort | 3 | 3 | 3 | 3 | 3 | 3 | 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 | Thu 29 | Fri 30 | Sat 31 | Sun 1 | Mon 2 | Tue 3 |
|---|---|---|---|---|---|---|---|
| ECMWF | 916 | 1220 | 1324 | 1326 | 617 | 715 | 715 |
| AIFS | 10 | 15 | 14 | 13 | 8 | 9 | 13 |
| GFS | 719 | 1032 | 1533 | 1126 | 47 | 923 | 916 |
| ICON | 514 | 921 | 1330 | 1125 | 411 | 1024 | 1228 |
| HRRR | 921 | 1322 | — | — | — | — | — |
| NBM | 711 | 1219 | 1320 | 1117 | 710 | 710 | 710 |
| 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-shore. Drift and current run parallel to the beach.
On Friday 30, from the west: offshore.
The coast here faces southeast. 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 South PortlandQuestions
What's the wind like today in South Portland?
Light breeze from the south-southwest: 7 mph now, peaking at 9 mph at 1:00 am with gusts of 21 mph.
Which day is windiest this week?
Friday 30: up to 13 mph from the west, with gusts of 20 mph.
Is it a good day to go fishing by boat?
Today the wind is light breeze and waves are 1.3 ft. No strong gusts expected this week. Always check official warnings before heading out.
Is today's wind onshore or offshore?
Cross-shore: the coast faces southeast.
More about South Portland today
Wind near South Portland
- Scarborough 6 mph SSW · 6.0 mi
- West Scarborough 6 mph S · 8.8 mi
- Harpswell Center 6 mph SSW · 17 mi
- Kennebunkport 9 mph SSW · 23 mi
- Brunswick Station 4 mph S · 23 mi
- Phippsburg 4 mph S · 25 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, 9.8 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 5:58 pm (local time).
Spotted a mistake? Tell us · Where the weather and sea data come from