Wind in Alcatraz
Hourly forecast for 7 days · updated today, Thursday, October 29, at 2:47 am (GMT-1)- Gusts
- 19 mph
- Beaufort scale
- 4 · moderate breeze
- Today's peak
- 16 mph at 1:00 pm
- In knots
- 13 kn
Today the wind in Alcatraz is a moderate breeze from the north: 10 mph to 16 mph, peaking at 1:00 pm with gusts of 21 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 10–16 mph · gusts 21 NE · Beaufort 4
- Fri 30 10–15 mph · gusts 19 NE · Beaufort 4
- Sat 31 3–10 mph · gusts 14 NE · Beaufort 3
- Sun 1 1–9 mph · gusts 19 ENE · Beaufort 3
- Mon 2 1–10 mph · gusts 18 NNE · Beaufort 3
- Tue 3 9–13 mph · gusts 20 NE · Beaufort 4
- Wed 4 9–11 mph · gusts 20 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) | 10 | 15 | 16 | 15 | 16 | 14 | 11 | 13 |
| Gusts | 12 | 19 | 21 | 20 | 20 | 19 | 14 | 17 |
| Direction | N | N | NNE | NE | ENE | NE | NNE | NE |
| Beaufort | 3 | 4 | 4 | 4 | 4 | 4 | 3 | 4 |
| Model | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF |
| 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) | 15 | 14 | 12 | 11 | 10 | 13 | 13 | 12 |
| Gusts | 19 | 18 | 16 | 14 | 13 | 17 | 18 | 16 |
| Direction | NE | NE | NE | NE | NNE | NNE | NE | NE |
| Beaufort | 4 | 4 | 3 | 3 | 3 | 4 | 4 | 3 |
| Model | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF |
| 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 | 8 | 6 | 6 | 8 | 7 | 5 | 4 |
| Gusts | 14 | 12 | 10 | 9 | 11 | 11 | 9 | 7 |
| Direction | NE | NE | NE | NE | NE | NE | ENE | ENE |
| Beaufort | 3 | 3 | 2 | 2 | 3 | 2 | 2 | 2 |
| Model | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF |
| 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 | 3 | 2 | 3 | 7 | 9 | 7 | 4 |
| Gusts | 7 | 6 | 4 | 7 | 12 | 16 | 15 | 19 |
| Direction | E | ESE | NNE | ENE | E | ENE | NE | E |
| Beaufort | 1 | 1 | 1 | 1 | 2 | 3 | 2 | 2 |
| Model | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF |
Do the models agree on the wind?
High confidenceThe models agree on the wind for the next few days.
What 4 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 | 1621 | 1519 | 1014 | 919 | 1018 | 1320 | 1120 |
| AIFS | 10 | 10 | 9 | 4 | 6 | 8 | 9 |
| GFS | 1521 | 1315 | 99 | 33 | 1010 | 1313 | 1414 |
| ICON | 1525 | 1220 | 711 | 59 | 1118 | 1117 | 1118 |
| 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 north: cross-shore. Drift and current run parallel to the beach.
The coast here faces east. We work it out from the OpenStreetMap coastline.
How to read the Beaufort scale
| Force | Name | mph | At sea |
|---|---|---|---|
| 3 | Gentle breeze | 8–12 | Scattered whitecaps |
| 4 | Moderate breeze · today | 13–18 | Frequent whitecaps |
| 5 | Fresh breeze | 19–24 | Moderate waves, many whitecaps |
| 6 | Strong breeze | 25–31 | Large waves, foam crests |
| 7 | Near gale | 32–38 | Heaped sea, streaks of foam |
| 8 | Gale | 39–46 | High waves, spray |
Questions about the wind in AlcatrazQuestions
What's the wind like today in Alcatraz?
Moderate breeze from the north: 15 mph now, peaking at 16 mph at 1:00 pm with gusts of 21 mph.
Which day is windiest this week?
Thursday 29: up to 16 mph from the northeast, with gusts of 21 mph.
Is it a good day to go fishing by boat?
Today the wind is moderate breeze and waves are 3.0 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 east.
More about Alcatraz today
Wind near Alcatraz
- Calheta 12 mph N · 7.4 mi
- Moia Moia 9 mph NNW · 27 mi
- Cutelinho 9 mph NNW · 29 mi
- Achada Monte 10 mph NE · 36 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 2:47 am (local time).
Spotted a mistake? Tell us · Where the weather and sea data come from