Wind in South Dennis
Hourly forecast for 7 days · updated today, Wednesday, October 28, at 11:01 pm (EDT)- Gusts
- 15 mph
- Beaufort scale
- 2 · light breeze
- Today's peak
- 9 mph at 1:00 pm
- In knots
- 6 kn
Today the wind in South Dennis is a light breeze from the south-southwest: 0 mph to 9 mph, peaking at 1:00 pm with gusts of 15 mph. The windiest day of the week is Thursday 29: up to 14 mph from the southwest, with gusts of 26 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 0–9 mph · gusts 15 S · Beaufort 3
- Thu 29 6–14 mph · gusts 26 SW · Beaufort 4
- Fri 30 7–10 mph · gusts 21 W · Beaufort 3
- Sat 31 1–12 mph · gusts 23 NNW · Beaufort 3
- Sun 1 2–7 mph · gusts 13 WSW · Beaufort 2
- Mon 2 3–8 mph · gusts 14 WSW · Beaufort 3
- Tue 3 3–9 mph · gusts 15 NE · 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 | 1 | 2 | 0 | 9 | 9 | 5 | 6 |
| Gusts | 4 | 3 | 3 | 4 | 10 | 11 | 12 | 13 |
| Direction | ESE | SSE | WNW | N | S | S | SSW | SSW |
| Beaufort | 1 | 1 | 1 | 0 | 3 | 3 | 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) | 7 | 7 | 6 | 6 | 11 | 14 | 9 | 8 |
| Gusts | 17 | 16 | 16 | 18 | 17 | 23 | 18 | 18 |
| Direction | SSW | SSW | SSW | SW | SW | SSW | SW | SW |
| Beaufort | 2 | 2 | 2 | 2 | 3 | 4 | 3 | 3 |
| Model | HRRR | HRRR | HRRR | HRRR | HRRR | HRRR | 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 | 8 | 8 | 8 | 9 | 10 |
| Gusts | 18 | 19 | 19 | 17 | 14 | 14 | 17 | 20 |
| Direction | SW | SW | WSW | WSW | W | W | WNW | NW |
| Beaufort | 3 | 3 | 3 | 3 | 3 | 3 | 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) | 10 | 11 | 12 | 12 | 11 | 9 | 4 | 1 |
| Gusts | 22 | 22 | 23 | 23 | 20 | 15 | 8 | 4 |
| Direction | NW | NW | NNW | NNW | NNW | NNW | NNW | WNW |
| Beaufort | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 0 |
| Model | NBM | NBM | NBM | NBM | NBM | NBM | NBM | NBM |
Do the models agree on the wind?
Medium confidenceThey roughly agree; there's more spread in the wind on Friday 30.
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 | 815 | 1324 | 1934 | 2036 | 921 | 1725 | 1419 |
| AIFS | 9 | 15 | 17 | 17 | 10 | 15 | 17 |
| GFS | 1115 | 1731 | 1932 | 1728 | 1319 | 1828 | 1524 |
| ICON | 512 | 1124 | 1123 | 1633 | 819 | 1226 | 1432 |
| HRRR | 915 | 1426 | — | — | — | — | — |
| NBM | 611 | 1120 | 1021 | 1223 | 713 | 814 | 915 |
| Confidence | high | high | medium | 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 Thursday 29, from the southwest: cross-shore.
The coast here faces northwest. 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 DennisQuestions
What's the wind like today in South Dennis?
Light breeze from the south-southwest: 7 mph now, peaking at 9 mph at 1:00 pm with gusts of 15 mph.
Which day is windiest this week?
Thursday 29: up to 14 mph from the southwest, with gusts of 26 mph.
Is it a good day to go fishing by boat?
Today the wind is light breeze and waves are 0.9 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 northwest.
More about South Dennis today
Wind near South Dennis
- Northwest Harwich 7 mph SSW · 2.8 mi
- Osterville 6 mph SSW · 13 mi
- Oyster Harbors 9 mph SSW · 14 mi
- Wellfleet 11 mph SSW · 18 mi
- Provincetown 9 mph SW · 25 mi
- West Falmouth 7 mph SSW · 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). 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 11:01 pm (local time).
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