Beaufort wind force scale

Beaufort wind scale Mean Wind Speed Limits of wind speed Wind descriptive terms Probable wave height in metres* Probable maximum wave height in metres* Seastate Sea descriptive terms
Knots m/s Knots m/s
0 0 0 <1 0–0.2 Calm - - 0 Calm (glassy)
1 2 0.8 1–3 0.3–1.5 Light air 0.1 0.1 1 Calm (rippled)
2 5 2.4 4–6 1.6–3.3 Light breeze 0.2 0.3 2 Smooth (wavelets)
3 9 4.3 7–10 3.4–5.4 Gentle breeze 0.6 1.0 3 Slight
4 13 6.7 11–16 5.5–7.9 Moderate breeze 1.0 1.5 3–4 Slight–Moderate
5 19 9.3 17–21 8.0–10.7 Fresh breeze 2.0 2.5 4 Moderate
6 24 12.3 22–27 10.8–13.8 Strong breeze 3.0 4.0 5 Rough
7 30 15.5 28–33 13.9–17.1 Near gale 4.0 5.5 5–6 Rough–Very rough
8 37 18.9 34–40 17.2–20.7 Gale 5.5 7.5 6–7 Very rough–High
9 44 22.6 41–47 20.8–24.4 Severe gale 7.0 10.0 7 High
10 52 26.4 48–55 24.5–28.4 Storm 9.0 12.5 8 Very High
11 60 30.5 56–63 28.5–32.6 Violent storm 11.5 16.0 8 Very High
12 - - 64+ 32.7+ Hurricane 14+ - 9 Phenomenal

*

  1. These values refer to well-developed wind waves of the open sea.
  2. The lag effect between the wind getting up and the sea increasing should be borne in mind.

Spanish           English       Wave height
Calma/Llana                     0 m
Rizada                          Less than 0.1 m
Marejadilla       Smooth        Less than 0.5 m
Marejada          Slight        0.5 m - 1.25 m
Fuerte marejada   Moderate      1.25 m - 2.5 m
Gruesa            Rough         2.5 m - 4.0 m
Muy gruesa        Very rough    4.0 m - 6.0 m
Arbolada          High          6.0 m - 9.0 m
Montañosa         Very high     9.0 m - 14.0 m
Enorme            Phenomenal    More than 14.0 m

What our customers say

Over 250 ★★★★★ reviews

TripAdvisor Certificate of Excellence & Hall of Fame 2015, 2016, 2017, 2018, 2019

What an experience!

My review is long overdue! We sailed on the Gemini with Skipper Dave a few months ago, in September of 2017. The whole experience, sailing in an 80 year old sailboat along the coast of Barcelona with good friends was an experience that we all will remember for a long time.
cclis | macon, ga | 23 January 2018

A wonderful evening with Captain Dave

Captain Dave and his boat Gemini were the perfect escape from the urban Barcelona. We booked an afternoon sail however he contacted us and advised we go a bit later to enjoy the sunset. It was beautiful. My love and I had the boat to ourselves and Captain Dave was a perfect balance of accommodating and knowledgeable, while at the same time leaving us to ourselves so we could soak in the experience.
braddog8 | Bozeman, Montana | 27 October 2018

Didn't Make The Sail, But Still 5 Stars

Unfortunately we had to cancel our trip the same day because two in our party had a medical emergency and went home. Dave was incredibly easy to work with and responsive and gave us our deposit back without issue. We really appreciated it. We were very bummed to miss the boat trip, but if we are ever in Barcelona again we definitely will put it at the top of the list. Thank you very much again, Dave.
Neeners815 | Jersey City, New Jersey | 4 September 2018

A Barcelona must!!!

Not only is Dave a personable, accommodating captain, but sailing on the Gemini is a unique experience with breathtaking views of the city. The old boat is comfortable and gorgeous with an interesting background. The experience was a 10/10, and I would highly recommend to anyone I know who's traveling to Barcelona. Very well worth it. Thank you, Dave!
drogers9 | Boston, Massachusetts | 5 October 2018

Amazing afternoon

My sister and I spent an afternoon on Dave's boat and it was one of the best things we did on our trip. The views are amazing, the boat is beautiful and Dave is a great captain. The views from the ocean are incredible and really lets you see Barcelona from another perspective. We were able to bring lunch and cava and just lay in the quiet sun for a few hours. We were originally scheduled for a Monday but the weather was bad so Dave was very accommodating in rescheduling with us. Would definitely recommend!
avs1029 | New York City, New York | 15 July 2014

Relaxing 3 hours away from the buzz

A very lovely afternoon with skipper Stefan and a welcome getaway from the hot city.
Alar I | Tartu, Estonia | 12 August 2015

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